{"id":29224,"date":"2026-07-22T14:30:29","date_gmt":"2026-07-22T12:30:29","guid":{"rendered":"https:\/\/hycleaner.de\/?p=29224"},"modified":"2026-07-22T14:58:03","modified_gmt":"2026-07-22T12:58:03","slug":"how-water-quality-affects-osmosis-cleaning-2","status":"publish","type":"post","link":"https:\/\/hycleaner.de\/en\/expert-knowledge\/how-water-quality-affects-osmosis-cleaning-2\/","title":{"rendered":"What does an uncleaned solar system really cost you?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"29224\" class=\"elementor elementor-29224 elementor-29222\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d686d16 e-con-full e-flex e-con e-parent\" data-id=\"5d686d16\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7cd3cfb e-flex e-con-boxed e-con e-child\" data-id=\"7cd3cfb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e7c1e1f elementor-align-left elementor-widget elementor-widget-breadcrumbs\" data-id=\"7e7c1e1f\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"breadcrumb-widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/hycleaner.de\/en\/\">Startseite<\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d2f5729 category-tag elementor-widget elementor-widget-post-info\" data-id=\"7d2f5729\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-d4e9e0c elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/hycleaner.de\/en\/tag\/cost-effectiveness\/\" class=\"elementor-post-info__terms-list-item\">Cost-effectiveness<\/a>, <a href=\"https:\/\/hycleaner.de\/en\/tag\/fire-protection\/\" class=\"elementor-post-info__terms-list-item\">Fire protection<\/a>, <a href=\"https:\/\/hycleaner.de\/en\/tag\/pv-cleaning\/\" class=\"elementor-post-info__terms-list-item\">PV Cleaning<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1655bb0 e-flex e-con-boxed e-con e-child\" data-id=\"1655bb0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-89b1d5b elementor-widget elementor-widget-text-editor\" data-id=\"89b1d5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Avoid up to 30% yield loss<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44530368 elementor-widget__width-initial elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"44530368\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">What does an uncleaned solar system really cost you?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32fd0192 elementor-widget elementor-widget-text-editor\" data-id=\"32fd0192\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tA calculation for farmers, businesses and ground-mounted system operators\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45b1b86 elementor-widget elementor-widget-text-editor\" data-id=\"45b1b86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Dirt on solar modules isn\u2019t an aesthetic issue\u2014it\u2019s a measurable cost factor. Depending on system type and location, soiled photovoltaic systems can lose between 5% and 30% of their annual yield. Agricultural rooftop systems, low-pitch commercial roofs and ground-mounted systems in dusty regions are particularly affected.  <\/strong><\/p><p> <\/p><p><strong>Using concrete example calculations, this article shows what financial losses can result from soiled solar modules, when professional cleaning pays off, and why cleaning not only improves yield but also contributes to operational safety and long-term value retention.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f98a35c elementor-widget elementor-widget-image\" data-id=\"4f98a35c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2560\" height=\"867\" src=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/header-artikel-solarkosten-schmutz-3840x1300-1-scaled.webp\" class=\"attachment-full size-full wp-image-31077\" alt=\"\" srcset=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/header-artikel-solarkosten-schmutz-3840x1300-1-scaled.webp 2560w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/header-artikel-solarkosten-schmutz-3840x1300-1-300x102.webp 300w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/header-artikel-solarkosten-schmutz-3840x1300-1-1024x347.webp 1024w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/header-artikel-solarkosten-schmutz-3840x1300-1-768x260.webp 768w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/header-artikel-solarkosten-schmutz-3840x1300-1-1536x520.webp 1536w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/header-artikel-solarkosten-schmutz-3840x1300-1-2048x693.webp 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-551ec013 e-flex e-con-boxed e-con e-parent\" data-id=\"551ec013\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6fc45d0 e-con-full zweispalter e-flex e-con e-child\" data-id=\"6fc45d0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-24cff8b e-con-full e-flex e-con e-child\" data-id=\"24cff8b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-05ba03d e-con-full infobox e-flex e-con e-child\" data-id=\"05ba03d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-254c9bca elementor-widget elementor-widget-heading\" data-id=\"254c9bca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Key Points<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a8740a1 elementor-widget elementor-widget-text-editor\" data-id=\"6a8740a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Soiled solar modules<\/strong> can cause <strong>5% to 30% yield loss<\/strong>, depending on location and system type.<\/li><li><strong>Rain does not replace professional cleaning<\/strong>, because stubborn soiling can remain permanently stuck to the modules.<\/li><li><strong>Professional PV cleaning pays off<\/strong>, especially for agricultural, commercial and large ground-mounted systems\u2014often after a short time.<\/li><li><strong>Regular cleaning not only reduces yield losses<\/strong>, it can also prevent hotspots and other technical damage.<\/li><li><strong>Documented cleaning and maintenance measures<\/strong> can provide important evidence in the event of an insurance claim.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1d4ed20 e-con-full e-flex e-con e-child\" data-id=\"1d4ed20\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-25710ac elementor-widget elementor-widget-heading\" data-id=\"25710ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why rain doesn\u2019t clean solar modules sufficiently<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02bac5b elementor-widget elementor-widget-text-editor\" data-id=\"02bac5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p> <\/p><p>\u201cThe next rain will clean it\u201d is a phrase that stubbornly persists among PV system operators. But it\u2019s only partly true. While heavy rain can partially wash off loose dust and pollen on sufficiently steep roof surfaces, <strong>many stubborn types of soiling remain permanently stuck to the modules<\/strong>.  <\/p><p> <\/p><p>These include, among other things, <strong>bird droppings, ammonia deposits from barn air, oily soot films, lichens, moss, Saharan dust minerals and baked-on dust crusts<\/strong>. Even heavy rainfall cannot fully remove these residues, and they permanently impair the performance of the PV system. <\/p><p> <\/p><p>The first <strong>continent-wide study on so-called soiling losses in Europe<\/strong> (DLR, CIEMAT and the University of Ja\u00e9n, published in 2024 in <em>Renewable Energy<\/em>) shows: Even with a rain cleaning effect of just 10%, <strong>annual yield losses can rise to as much as 5.3%, and regionally even to 14%<\/strong>. Germany is in the European mid-range\u2014but what always matters is the specific location and system type. <\/p><p> <\/p><p>For this reason, we look at the three most important operator groups separately below: <strong>agriculture, commercial roofs and ground-mounted systems<\/strong>. Using concrete example calculations, we show the financial impact soiling can have and when professional cleaning pays off. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ffc8cf elementor-blockquote--skin-quotation elementor-widget elementor-widget-blockquote\" data-id=\"1ffc8cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"blockquote.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<blockquote class=\"elementor-blockquote\">\n\t\t\t<p class=\"elementor-blockquote__content\">\n\t\t\t\t\u201cDirt on PV modules isn\u2019t an annoyance\u2014it\u2019s a quantifiable cost factor. Anyone who underestimates their system\u2019s cleaning needs often gives away valuable electricity yields year after year.\u201d\t\t\t<\/p>\n\t\t\t\t\t\t\t<div class=\"e-q-footer\">\n\t\t\t\t\t\t\t\t\t\t\t<cite class=\"elementor-blockquote__author\">Josha Kneiber, Gesch\u00e4ftsf\u00fchrer hyCLEANER<\/cite>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/blockquote>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d515f8 e-con-full infobox e-flex e-con e-child\" data-id=\"6d515f8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dfe7149 elementor-widget elementor-widget-heading\" data-id=\"dfe7149\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Agriculture: The underestimated driver of soiling<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c935f9e elementor-widget elementor-widget-text-editor\" data-id=\"c935f9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Agricultural PV systems are among the systems most at risk of soiling in Germany. Barn air, ammonia, pollen and harvest dust cause dirt to adhere particularly stubbornly to the modules. The following examples show why agricultural systems are especially affected, when cleaning makes sense, and how soiling can impact profitability.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92752a1 elementor-widget elementor-widget-heading\" data-id=\"92752a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The initial problem<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b33d4ad elementor-widget elementor-widget-text-editor\" data-id=\"b33d4ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Agricultural PV systems are <strong>the most heavily soiled system category in Germany<\/strong>. The reason is the unique emissions profile: Exhaust air from barns contains ammonia, fine dust from bedding, feed residues and organic aerosols that, under sunlight, literally bake onto the hot module surface. Add to that pollen, harvest dust and\u2014especially in animal husbandry\u2014biologically active particles that promote moss and lichen growth. Lichens grow firmly into the module surface and can no longer be removed without mechanical wet cleaning.   <\/p><p> <\/p><p>Even soiling that is barely visible can, according to industry surveys, cause <strong>yield losses of more than 6%<\/strong>. For typical barn-roof systems, <strong>losses of 10% to 25%<\/strong>\u2014and in extreme cases <strong>up to 30%<\/strong>\u2014have been documented. This is confirmed by both the German Agricultural Society (DLG) and practical surveys by agrarheute.com. In addition, there is the so-called <strong>dirt-amplifier effect<\/strong>: Once modules are soiled, they bind new dust particles far better than smooth, clean module surfaces\u2014dirt attracts dirt.   <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e73ff6 elementor-widget elementor-widget-heading\" data-id=\"7e73ff6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">When should agricultural PV systems be cleaned?\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-67ca5be elementor-widget elementor-widget-text-editor\" data-id=\"67ca5be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The DLG (German Agricultural Society) recommends two cleanings per year, aligned with the agricultural annual cycle.<\/p><p><strong><br>After the flowering season (May\/June)<\/strong><\/p><p>Pollen from birch, linden and maple leaves a sticky film. Together with barn dust, this creates a layer that rain can no longer remove. Since PV systems generate around 65% to 75% of their annual yield between March and September, cleaning before or at the start of this phase delivers the greatest economic benefit.  <\/p><p> <\/p><p><strong>After the harvest (August\/September) or before winter<\/strong><\/p><p>Harvest work stirs up large amounts of dust. Especially on systems above grain and rapeseed fields, this leads to a second pronounced wave of soiling. Cleaning in autumn ensures that the winter months can also be used with the highest possible performance.  <\/p><p> <\/p><p><strong>Special considerations for Agri-PV systems<\/strong><\/p><p>Agri-photovoltaic systems with elevated module structures place additional demands on cleaning. Greater module heights, sloped terrain and wider row spacing require adapted cleaning concepts. However, the most economically sensible cleaning times remain the same: after winter and after the harvest.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2c3d5a elementor-widget elementor-widget-heading\" data-id=\"e2c3d5a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Example calculation: Barn-roof system with 500 kWp<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cb4b8f elementor-widget elementor-widget-text-editor\" data-id=\"5cb4b8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"54\" data-end=\"321\">A typical barn-roof system makes it clear what financial impact even moderate soiling can have. The following example calculation shows the relationship between yield loss, cleaning costs and potential economic benefit. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c5f599 hycleaner-table elementor-widget elementor-widget-text-editor\" data-id=\"6c5f599\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table class=\"hycleaner-table\">\n<tbody>\n<tr>\n<tr class=\"highlight\">\n<td>System size<\/td>\n<td>500 kWp<\/td>\n<\/tr>\n<tr>\n<td>Specific annual yield (DE average)<\/td>\n<td>950 kWh\/kWp<\/td>\n<\/tr>\n<tr>\n<td>Annual generation (target)<\/td>\n<td>475,000 kWh<\/td>\n<\/tr>\n<tr>\n<td>Revenue per kWh (EEG + self-consumption, blended calculation)<\/td>\n<td>0.12 \u20ac\/kWh<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Annual revenue with a clean system<\/td>\n<td>\u20ac57,000<\/td>\n<\/tr>\n<tr>\n<td>Yield loss at 15% soiling<\/td>\n<td>71,250 kWh \u2192 \u20ac8,550 per year<\/td>\n<\/tr>\n<tr>\n<td>Yield loss at 25% soiling<\/td>\n<td>118,750 kWh \u2192 \u20ac14,250 per year<\/td>\n<\/tr>\n<tr>\n<td>Professional cleaning (2\u00d7 per year)<\/td>\n<td>approx. \u20ac6,000\u2013\u20ac10,000<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Net benefit (15% scenario)<\/td>\n<td>slight loss of up to \u20ac2,550 per year<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Net benefit (25% scenario)<\/td>\n<td>\u20ac4,250\u2013\u20ac8,250 per year<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a7719cc e-con-full e-flex e-con e-child\" data-id=\"a7719cc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-72f7c63 elementor-widget elementor-widget-heading\" data-id=\"72f7c63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">PRACTICE BOX \u2013 Conclusion for agriculture:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89d57aa elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"89d57aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tEven with a typical <strong>500 kWp barn-roof system<\/strong>, professional cleaning can make economic sense. Over an assumed <strong>system lifetime of 25 years<\/strong>, avoiding a constant 15% yield loss alone results in a <strong>cumulative added value of around \u20ac120,000<\/strong>. \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e7b7e9f e-con-full e-flex e-con e-child\" data-id=\"e7b7e9f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8c8386f elementor-widget elementor-widget-heading\" data-id=\"8c8386f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Why in-house cleaning with a cleaning robot can pay off<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-065d37e elementor-widget elementor-widget-text-editor\" data-id=\"065d37e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tThe <a href=\"https:\/\/hycleaner.de\/en\/solar-cleaning\/solarrobot-pro\/\"><strong>solarROBOT range<\/strong><\/a> from hyCLEANER was developed specifically for systems in this size class. The <strong>cleaning robots clean without chemicals or soap<\/strong> using a pressure-controlled brush system\u2014without stepping onto the roof, without additional traffic loads and without additional personnel. Operators can use the robot themselves: place it in the morning, remove it again in the afternoon.  \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-70710fa e-con-full e-flex e-con e-child\" data-id=\"70710fa\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-52ff2be elementor-widget elementor-widget-heading\" data-id=\"52ff2be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Calculation example \u2013 in-house cleaning with the solarROBOT compact:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d84ff12 hycleaner-table elementor-widget elementor-widget-text-editor\" data-id=\"d84ff12\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table class=\"hycleaner-table\">\n<tbody>\n<tr>\n<tr class=\"highlight\">\n<td>Purchase<\/td>\n<td>from \u20ac21,990 (incl. charging station, CE-certified)<\/td>\n<\/tr>\n<tr>\n<td>Annual operating costs<\/td>\n<td>minimal (electricity, water, wear parts)<\/td>\n<\/tr>\n<tr>\n<td>Loss avoidance (15% scenario)<\/td>\n<td>\u20ac8,550 per year<\/td>\n<\/tr>\n<tr>\n<tr class=\"highlight\">\n<td>Payback (single system)<\/td>\n<td>approx. 3 years<\/td>\n<\/tr>\n<tr>\n<td>Multiple systems (e.g., machinery ring)<\/td>\n<td>payback can be reduced to 1\u20132 years<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a711616 e-con-full e-flex e-con e-child\" data-id=\"a711616\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3962428 elementor-widget elementor-widget-heading\" data-id=\"3962428\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Calculation example \u2013 in-house cleaning with the solarROBOT pro:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6735543 hycleaner-table elementor-widget elementor-widget-text-editor\" data-id=\"6735543\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table class=\"hycleaner-table\">\n<tbody>\n<tr>\n<tr class=\"highlight\">\n<td>Purchase<\/td>\n<td>from \u20ac34,000 (incl. charging station, CE-certified)<\/td>\n<\/tr>\n<tr>\n<td>Annual operating costs<\/td>\n<td>minimal (electricity, water, wear parts)<\/td>\n<\/tr>\n<tr>\n<td>Loss avoidance (15% scenario)<\/td>\n<td>\u20ac8,550 per year<\/td>\n<\/tr>\n<tr>\n<tr class=\"highlight\">\n<td>Payback (single system)<\/td>\n<td>approx. 4\u20136 years<\/td>\n<\/tr>\n<tr>\n<td>Multiple systems (e.g., machinery ring)<\/td>\n<td>payback can be reduced to 2\u20133 years<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bddd78c elementor-widget elementor-widget-text-editor\" data-id=\"bddd78c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"54\" data-end=\"321\">While agricultural systems are primarily affected by <strong>ammonia, barn dust and organic deposits<\/strong>, <strong>commercial and industrial roofs<\/strong> place different demands on cleaning. Low roof pitches, industrial emissions and permanently deposited fine dust mean that significant yield losses can occur here as well. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d984e86 e-con-full e-flex e-con e-child\" data-id=\"d984e86\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9bc6c69 elementor-widget elementor-widget-heading\" data-id=\"9bc6c69\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Commercial systems: Flat roofs as dirt traps<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b27c091 elementor-widget elementor-widget-text-editor\" data-id=\"b27c091\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>While agricultural PV systems are mainly affected by ammonia, pollen and organic deposits, commercial rooftop systems face different challenges. Low roof pitches, industrial emissions and permanently deposited fine dust mean that rain alone often isn\u2019t enough to keep the modules clean. <\/p><h3><br>The soiling profile<\/h3><p>Industrial rooftop systems are usually installed parallel to the roof with a very low pitch (5\u201315\u00b0) or as an east-west mounting with a 10\u201315\u00b0 pitch. This makes economic sense: On a 100 m\u00b2 flat roof, an east-west configuration can fit up to 40% more modules than a classic south-facing orientation\u2014without mutual shading. The downside: rain has hardly any self-cleaning effect. Dirt collects at the lower module frame, and dust and fine particles remain permanently in place at low pitch.   <\/p><p><br>Compounding this, commercial sites are often located in close proximity to emission sources\u2014for example along major traffic routes, near logistics centers or production facilities. Soot, brake dust and organic particles continuously deposit on the modules and can permanently impair power generation. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29ea12f elementor-widget elementor-widget-heading\" data-id=\"29ea12f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Recommended cleaning frequency\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b740ca elementor-widget elementor-widget-text-editor\" data-id=\"9b740ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For <strong>commercial and industrial roofs<\/strong>, the optimal cleaning interval depends primarily on roof pitch and surrounding conditions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30c8c7a hycleaner-table elementor-widget elementor-widget-text-editor\" data-id=\"30c8c7a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table class=\"hycleaner-table\">\n<tbody>\n<tr>\n<td>Roof-parallel \/ flat roof (0\u201310\u00b0)<\/td>\n<td><strong>3\u20134\u00d7 per year<\/strong> \u2013 No self-cleaning effect, high dust accumulation at the module frame.<\/td>\n<\/tr>\n<tr>\n<td>South-facing mounting (25\u201335\u00b0)<\/td>\n<td><strong>1\u20132\u00d7 per year<\/strong> \u2013 Moderate self-cleaning effect, but stubborn soiling still remains.<\/td>\n<\/tr>\n<tr>\n<td>East-west mounting (10\u201315\u00b0)<\/td>\n<td><strong>1\u20132\u00d7 per year<\/strong> \u2013 Low roof pitch and even daily production promote deposits.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a5df004 elementor-widget elementor-widget-text-editor\" data-id=\"a5df004\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<strong>Note:<\/strong> <strong>Annual cleaning<\/strong> is considered the minimum standard for commercial rooftop systems. At industrial sites or with high dust exposure, cleaning <strong>every six months<\/strong> is often the more economically sensible solution. <br><br><h3>Example calculation: Commercial roof with 300 kWp<\/h3>\nA typical commercial rooftop system shows how even minor soiling can affect financial yield.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-403743a hycleaner-table elementor-widget elementor-widget-text-editor\" data-id=\"403743a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table class=\"hycleaner-table\">\n<tbody>\n<tr>\n<tr class=\"highlight\">\n<td>System size<\/td>\n<td>300 kWp<\/td>\n<\/tr>\n<tr>\n<td>Specific annual yield (commercial average)<\/td>\n<td>900 kWh\/kWp<\/td>\n<\/tr>\n<tr>\n<td>Annual generation (target)<\/td>\n<td>270,000 kWh<\/td>\n<\/tr>\n<tr>\n<td>Self-consumption share<\/td>\n<td>70%<\/td>\n<\/tr>\n<tr>\n<td>Self-consumption benefit<\/td>\n<td>0.28 \u20ac\/kWh<\/td>\n<\/tr>\n<tr>\n<td>Feed-in tariff<\/td>\n<td>0.082 \u20ac\/kWh<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Total annual revenue<\/td>\n<td>approx. \u20ac59,000<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Yield loss at 10% soiling<\/td>\n<td>27,000 kWh \u2192 \u20ac6,900 per year<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Yield loss at 15% soiling<\/td>\n<td>40,500 kWh \u2192 \u20ac10,350 per year<\/td>\n<\/tr>\n<tr>\n<td>Professional cleaning (2\u00d7 per year)<\/td>\n<td>approx. \u20ac3,000\u2013\u20ac6,000<\/td>\n<\/tr>\n<tr>\n<td>Net benefit (10% scenario)<\/td>\n<td>\u20ac900\u2013\u20ac3,000 per year<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Net benefit (15% scenario)<\/td>\n<td>\u20ac4,350\u2013\u20ac7,350 per year<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ea0768f e-con-full e-flex e-con e-child\" data-id=\"ea0768f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8d76f3d elementor-widget elementor-widget-heading\" data-id=\"8d76f3d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusion for industrial roofs:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-109b1ce elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"109b1ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Even with a 300 kWp commercial system, a soiling level of just 10% can lead to annual yield losses of around \u20ac7,000. The cost of professional cleaning is significantly lower. Depending on the soiling level, the ROI is 150% to 300%.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8d0177 elementor-widget elementor-widget-text-editor\" data-id=\"a8d0177\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"54\" data-end=\"321\">While even minor soiling can have significant financial impacts for commercial systems, the benefit of professional cleaning increases substantially for <strong>ground-mounted systems<\/strong> as system size grows. In the next section, we look at how soiling losses affect solar parks and from what size robot-assisted cleaning is particularly worthwhile. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ac2e2a3 e-con-full e-flex e-con e-child\" data-id=\"ac2e2a3\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7f0e395 elementor-widget elementor-widget-heading\" data-id=\"7f0e395\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ground-mounted systems: When cleaning makes economic sense<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d202d47 elementor-widget elementor-widget-text-editor\" data-id=\"d202d47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ground-mounted systems differ fundamentally from classic rooftop systems. Due to their size, near-ground construction and direct environmental influences, even minor soiling can have significant financial impacts. At the same time, as system size increases, the benefit of professional cleaning rises substantially.  <br><br><\/p><h3>The special situation of large systems<\/h3><p>Ground-mounted systems differ fundamentally from rooftop systems. In Germany, nearly <strong>20,000 ground-mounted PV systems<\/strong> with a total capacity of almost <strong>33 GW<\/strong> are currently in operation. The average system size is around <strong>1.5 to 2 MW<\/strong>, and larger solar parks with <strong>20 MW or more<\/strong> are no longer uncommon. They are usually located close to the ground in regions with strong wind and dust movement, and in close proximity to vegetation and agricultural land. This makes soiling conditions clearly different from classic rooftop systems.    <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a79c5d elementor-widget elementor-widget-text-editor\" data-id=\"0a79c5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Recommended cleaning frequency by location<\/h3><p>The optimal cleaning interval depends largely on the regional soiling level and climatic conditions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f347df hycleaner-table elementor-widget elementor-widget-text-editor\" data-id=\"9f347df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table class=\"hycleaner-table\"><thead><tr><th class=\"standort\">Location type<\/th><th class=\"rate\">Soiling rate<\/th><th class=\"frequenz\">Rec. frequency<\/th><\/tr><\/thead><tbody><tr><td>Northern Germany (cool, humid, lots of rain)<\/td><td style=\"text-align: center;\">1\u20133%<\/td><td style=\"text-align: center;\">1\u00d7 p.a.<\/td><\/tr><tr><td>Central Germany (temperate)<\/td><td style=\"text-align: center;\">3\u20136%<\/td><td style=\"text-align: center;\">1\u20132\u00d7 p.a.<\/td><\/tr><tr><td>Southern Germany \/ Bavaria (dry, hot)<\/td><td style=\"text-align: center;\">5\u201310%<\/td><td style=\"text-align: center;\">2\u00d7 p.a.<\/td><\/tr><tr><td>Agri-PV over arable land<\/td><td style=\"text-align: center;\">8\u201315%<\/td><td style=\"text-align: center;\">2\u20133\u00d7 p.a.<\/td><\/tr><tr><td>Southern Europe (Spain, Greece, Southern Italy)<\/td><td style=\"text-align: center;\">10\u201325%<\/td><td style=\"text-align: center;\">3\u20136\u00d7 p.a.<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffae27f elementor-widget elementor-widget-text-editor\" data-id=\"ffae27f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Example calculation: Ground-mounted system with 5 MWp<\/h3><p>A typical ground-mounted system shows that even minor soiling losses can have significant financial impacts.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a4802a hycleaner-table elementor-widget elementor-widget-text-editor\" data-id=\"1a4802a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table class=\"hycleaner-table\">\n<tbody>\n<tr>\n<tr class=\"highlight\">\n<td>System size<\/td>\n<td>5,000 kWp (5 MWp)<\/td>\n<\/tr>\n<tr>\n<td>Specific annual yield<\/td>\n<td>1,050 kWh\/kWp<\/td>\n<\/tr>\n<tr>\n<td>Annual generation (target)<\/td>\n<td>5,250,000 kWh<\/td>\n<\/tr>\n<tr>\n<td>Feed-in tariff \/ PPA price<\/td>\n<td>0.065 \u20ac\/kWh<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Annual revenue with a clean system<\/td>\n<td>\u20ac341,250<\/td>\n<\/tr>\n<tr>\n<td>Yield loss at 5% soiling<\/td>\n<td>262,500 kWh \u2192 \u20ac17,063\/year<\/td>\n<\/tr>\n<tr>\n<td>Yield loss at 10% soiling<\/td>\n<td>525,000 kWh \u2192 \u20ac34,125\/year<\/td>\n<\/tr>\n<tr>\n<td>Professional cleaning 1\u00d7 p.a. (robot)<\/td>\n<td>approx. \u20ac10,000\u2013\u20ac16,000<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Net benefit 5% scenario<\/td>\n<td>\u20ac1,063\u2013\u20ac7,063\/year<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Net benefit 10% scenario<\/td>\n<td>\u20ac18,125\u2013\u20ac24,125\/year<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b8fbc7 elementor-widget elementor-widget-text-editor\" data-id=\"0b8fbc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Example calculation: Solar park with 50 MWp<\/h3>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"4227\" data-end=\"4340\">For very large solar parks, the financial impact of even small yield losses multiplies.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a8a682 hycleaner-table elementor-widget elementor-widget-text-editor\" data-id=\"9a8a682\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table class=\"hycleaner-table\">\n<tbody>\n<tr class=\"highlight\">\n<td>System size<\/td>\n<td>50,000 kWp (50 MWp)<\/td>\n<\/tr>\n<tr>\n<td>Annual generation (target)<\/td>\n<td>52,500,000 kWh<\/td>\n<\/tr>\n<tr>\n<td>Revenue at 0.065 \u20ac\/kWh<\/td>\n<td>\u20ac3,412,500 per year<\/td>\n<\/tr>\n<tr>\n<td>Yield loss at 5%<\/td>\n<td>2,625,000 kWh \u2192 \u20ac170,625 per year<\/td>\n<\/tr>\n<tr class=\"highlight\">\n<td>Net benefit after cleaning (2\u00d7 per year)<\/td>\n<td>\u20ac90,000\u2013\u20ac120,000 per year<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-20e6319 e-con-full e-flex e-con e-child\" data-id=\"20e6319\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b1281db elementor-widget elementor-widget-heading\" data-id=\"b1281db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusion for ground-mounted systems:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9f62a4 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"b9f62a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>As system size increases, so does the profitability of professional cleaning. From around 2 MW, robot-assisted cleaning is economically sensible in many German regions. From 10 MW, it is often a fixed part of yield management and no longer just a cost factor.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b53f5fc elementor-widget elementor-widget-text-editor\" data-id=\"b53f5fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In addition to the financial impact, soiling also affects the <strong>technical safety of a PV system<\/strong>. In the next section, we show why soiled modules can promote hotspots and why regular cleaning also makes an important contribution to fire protection. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e21149 elementor-widget elementor-widget-heading\" data-id=\"5e21149\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cleaning as a contribution to fire protection<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3d506c elementor-widget elementor-widget-text-editor\" data-id=\"a3d506c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>PV systems are meant to generate electricity reliably and safely\u2014over many years. Soiling affects not only energy yield, but under certain conditions can also impair the system\u2019s operational safety. In particular, local shading caused by stubborn deposits can promote the formation of so-called hotspots.  <\/p><h3>From dirt film to hotspot<\/h3><p>Soiling on PV modules isn\u2019t just a yield issue\u2014it can also be a safety risk. The physical mechanism is clear: If individual solar cells are partially shaded by bird droppings, dust or lichens, they generate less electricity than the other cells in the module. The current flow from neighboring cells causes the affected areas to heat up significantly. This creates <strong>so-called hotspots<\/strong>.   <br><br><\/p><p><a href=\"https:\/\/www.ise.fraunhofer.de\/de\/presse-und-medien\/presseinformationen\/2015\/projekt-zu-brandrisiken-bei-pv-anlagen-erfolgreich-abgeschlossen-tuev-rheinland-und-fraunhofer-ise-veroeffentlichen-leitfaden.html\" target=\"_blank\" rel=\"noopener\">Fraunhofer ISE<\/a> and <a href=\"https:\/\/www.tuv.com\/landingpage\/de\/pv-solar-energy\/downloads\/en.html\" target=\"_blank\" rel=\"noopener\">T\u00dcV NORD<\/a> have already documented this connection: <strong>Hotspots can reach temperatures of 150 to 200\u00b0C and cause various types of damage.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-61ea941 e-con-full e-flex e-con e-child\" data-id=\"61ea941\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fc4033b elementor-widget elementor-widget-heading\" data-id=\"fc4033b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Possible consequences of hotspots<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8aae4cf elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"8aae4cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Accelerated degradation of the module encapsulation (EVA)<\/strong><\/li><li><strong>Glass cracks<\/strong><\/li><li><strong>Delamination<\/strong><\/li><li><strong>Permanent performance losses<\/strong><\/li><li><strong>In extreme cases, damage to the roof membrane or fire development<\/strong><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32394e8 elementor-widget elementor-widget-text-editor\" data-id=\"32394e8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>If a hotspot forms within a solar module, the resulting heat can transfer to adjacent components. Especially on industrial and commercial roofs with combustible insulation materials, this can increase the fire risk. Even minor damage to the roof structure can cause extensive repairs, operational downtime and financial follow-up costs.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-140082d elementor-widget elementor-widget-text-editor\" data-id=\"140082d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Regular cleaning as a preventive fire-protection measure<\/h3><p>Professional cleaning therefore serves more than just yield optimization. It helps remove heavy soiling and at the same time enables a visual inspection of the modules for possible damage or anomalies. This often allows issues to be identified before major damage occurs.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7096a7a e-con-full e-flex e-con e-child\" data-id=\"7096a7a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fdd65fb elementor-widget elementor-widget-heading\" data-id=\"fdd65fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Benefits of regular cleaning<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc2bc9d elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"bc2bc9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n \t<li><strong>Restoring maximum module performance<\/strong><\/li>\n \t<li><strong>Reducing soiling-related hotspots<\/strong><\/li>\n \t<li><strong>Early detection of visible damage<\/strong><\/li>\n \t<li><strong>Supporting long-term safe system operation<\/strong><\/li>\n \t<li><strong>Preserving the value of the PV system<\/strong><\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a9b3fc elementor-widget elementor-widget-text-editor\" data-id=\"5a9b3fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For operators of commercial PV systems, it is advisable to establish cleaning and maintenance as a fixed part of upkeep. T\u00dcV NORD recommends coordinating organizational measures around maintenance and cleaning with the insurer at an early stage. <\/p><p> <\/p><p>You can find more information on regular maintenance of PV systems in our <a href=\"https:\/\/hycleaner.de\/en\/expert-knowledge\/maintenance-of-pv-systems-why-cleaning-is-also-crucial-for-yield-and-profitability\/\"><strong>expert interview with certified PV expert Pascal Kierstein<\/strong><\/a>. There you\u2019ll learn why professional cleaning is an important part of system maintenance, which typical defects occur with soiled PV systems, and how yield losses and technical damage can be avoided through regular inspections. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-daec0d3 elementor-widget elementor-widget-heading\" data-id=\"daec0d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cleaning and insurance coverage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5919c5d elementor-widget elementor-widget-text-editor\" data-id=\"5919c5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In addition to yield and operational safety, regular cleaning can also be relevant from an insurance perspective. Many insurance contracts include so-called <strong>policy obligations<\/strong>\u2014i.e., duties of the policyholder that must be met to maintain insurance coverage. <\/p><h3><br>Which duties operators should be aware of<\/h3><p>In Germany, PV systems are insured either as part of building insurance or via a separate all-risk PV insurance policy. Both insurance models generally require compliance with legal, regulatory and contractual safety requirements. These often include regular maintenance and upkeep measures.  <\/p><h3><br>Example: Fire damage caused by a hotspot<\/h3><p>If a soiling-related hotspot leads to fire damage, insurers regularly check whether the PV system was operated and maintained properly. Documented cleaning and maintenance measures can play an important role here. <\/p><h3><br>Example: Module damage caused by a hotspot<\/h3><p>Even in the case of damage to a single module, proof of regular maintenance and cleaning can be important. Without appropriate documentation, assessing the claim can be more difficult. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-713f07a e-con-full e-flex e-con e-child\" data-id=\"713f07a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e252c8 elementor-widget elementor-widget-heading\" data-id=\"6e252c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Cleaning log as part of the system file<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e49b88e elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"e49b88e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tA professional cleaning job should be documented. This includes, for example: <br><br><ul>\n \t<li>Cleaning date<\/li>\n \t<li>System areas cleaned<\/li>\n \t<li>Cleaning method used<\/li>\n \t<li>Company carrying out the work<\/li>\n \t<li>Special notes or anomalies identified<\/li>\n<\/ul><br>In the event of a claim, this documentation can serve as proof of proper maintenance.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb0b5ba elementor-widget elementor-widget-text-editor\" data-id=\"cb0b5ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Recommendations for commercial operators<\/h3><ul><li>Add cleaning as a fixed date in system maintenance.<\/li><li>File cleaning logs permanently in the system file.<\/li><li>Record maintenance and cleaning duties in the O&#038;M contract.<\/li><li>Ask about maintenance obligations when taking out the insurance policy.<\/li><\/ul><h3> <\/h3><h3>Possible benefits for the insurance premium<\/h3><p>Some insurers already consider regular maintenance and cleaning records as a risk-reducing factor in premium calculations. While this approach is not yet established across the board, it can be worth asking your insurer\u2014especially for larger commercial PV systems. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fd60e4 elementor-blockquote--skin-quotation elementor-widget elementor-widget-blockquote\" data-id=\"1fd60e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"blockquote.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<blockquote class=\"elementor-blockquote\">\n\t\t\t<p class=\"elementor-blockquote__content\">\n\t\t\t\tThe most economical PV system isn\u2019t necessarily the biggest\u2014it\u2019s the one that consistently achieves its planned yield.\"\t\t\t<\/p>\n\t\t\t\t\t\t\t<div class=\"e-q-footer\">\n\t\t\t\t\t\t\t\t\t\t\t<cite class=\"elementor-blockquote__author\">Josha Kneiber, Gesch\u00e4ftsf\u00fchrer hyCLEANER<\/cite>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/blockquote>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2661947 e-con-full e-flex e-con e-child\" data-id=\"2661947\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5f0d387 elementor-widget elementor-widget-heading\" data-id=\"5f0d387\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion: What does an uncleaned solar system really cost?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f44ea5 elementor-widget elementor-widget-text-editor\" data-id=\"2f44ea5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tThe financial impact of soiled PV systems varies significantly depending on system type. The following overview summarizes the key example calculations from this article. \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1c805f hycleaner-table elementor-widget elementor-widget-text-editor\" data-id=\"b1c805f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table class=\"hycleaner-table\">\n<thead>\n<tr>\n<th class=\"typ\">System type<\/th>\n<th class=\"groesse\">Size<\/th>\n<th class=\"verlust\">Yield loss<\/th>\n<th class=\"verlust\">Annual loss<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Agriculture \/ barn roof<\/td>\n<td>50 kWp<\/td>\n<td>15\u201325%<\/td>\n<td>\u20ac855\u2013\u20ac1,425<\/td>\n<\/tr>\n<tr>\n<td>Agriculture \/ barn roof<\/td>\n<td>100 kWp<\/td>\n<td>15\u201325%<\/td>\n<td>\u20ac1,710\u2013\u20ac2,850<\/td>\n<\/tr>\n<tr>\n<td>Industrial roof \/ flat roof<\/td>\n<td>300 kWp<\/td>\n<td>10\u201315%<\/td>\n<td>\u20ac6,900\u2013\u20ac10,350<\/td>\n<\/tr>\n<tr>\n<td>Industrial roof \/ flat roof<\/td>\n<td>1,000 kWp<\/td>\n<td>10\u201315%<\/td>\n<td>\u20ac23,000\u2013\u20ac34,500<\/td>\n<\/tr>\n<tr>\n<td>Ground-mounted system<\/td>\n<td>5 MWp<\/td>\n<td>5\u201310%<\/td>\n<td>\u20ac17,063\u2013\u20ac34,125<\/td>\n<\/tr>\n<tr>\n<td>Ground-mounted system<\/td>\n<td>50 MWp<\/td>\n<td>5\u201310%<\/td>\n<td>\u20ac170,625\u2013\u20ac341,250<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ad203b elementor-widget elementor-widget-text-editor\" data-id=\"8ad203b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Basis of calculation:<\/strong> Annual yield 950\u20131,050 kWh\/kWp; revenue 0.12 \u20ac\/kWh (agriculture\/self-consumption), 0.28 \u20ac\/kWh self-consumption benefit + 0.082 \u20ac\/kWh feed-in (commercial, blended calculation), 0.065 \u20ac\/kWh (ground-mounted\/PPA). Cleaning costs: market prices for professional wet cleaning 2026 incl. robot.  <\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21bfe74 elementor-widget elementor-widget-text-editor\" data-id=\"21bfe74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Soiling on PV systems doesn\u2019t just cause visual impairment\u2014it can lead to significant financial losses.<\/strong> Depending on location, system type and degree of soiling, yield losses range from a few percent to more than 25%.<\/p><p><strong>Whether professional cleaning pays off always depends on the individual conditions.<\/strong> Especially for agricultural operations, commercial rooftop systems and larger ground-mounted systems, however, the avoided yield losses often clearly exceed the cleaning costs.<\/p><p><strong>In addition, regular cleaning helps support the system\u2019s operational safety<\/strong>, detect potential hotspots early and promote long-term value retention of the PV system.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-29e7bd4 e-con-full e-flex e-con e-child\" data-id=\"29e7bd4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-759dd5b elementor-widget elementor-widget-heading\" data-id=\"759dd5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Which cleaning solution fits your PV system?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34f20a8 elementor-widget elementor-widget-text-editor\" data-id=\"34f20a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Whether it\u2019s an <strong>agricultural rooftop system<\/strong>, a <strong>commercial roof<\/strong> or a <strong>large solar park<\/strong>\u2014the economically optimal cleaning solution depends on system size, location and degree of soiling. Together, we analyze your system and recommend the right cleaning concept. <\/p><p><strong>Our cleaning solutions at a glance<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-587de1a ausblenden elementor-widget elementor-widget-n-accordion\" data-id=\"587de1a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-9270\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-9270\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><p class=\"e-n-accordion-item-title-text\"> solarROBOT compact <\/p><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-9270\" class=\"elementor-element elementor-element-e284380 e-con-full e-flex e-con e-child\" data-id=\"e284380\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6d942a0 elementor-widget elementor-widget-text-editor\" data-id=\"6d942a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For agricultural as well as small and medium rooftop systems up to approx. 200 kWp. The cleaning robot can be used independently by the system operator and is supplied including a charging station. CE-certified and developed specifically for cost-effective in-house operation.  <\/p><p> <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23ac892 elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"23ac892\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/solar-cleaning\/solarrobot-compact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-9271\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-9271\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><p class=\"e-n-accordion-item-title-text\"> solarROBOT pro <\/p><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-9271\" class=\"elementor-element elementor-element-b5fb445 e-con-full e-flex e-con e-child\" data-id=\"b5fb445\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-24f1076 elementor-widget elementor-widget-text-editor\" data-id=\"24f1076\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"871\" data-end=\"970\">For medium-sized commercial and ground-mounted systems. With a working width of up to 2 meters and semi-automated operation, the solarROBOT Pro is ideal for efficient cleaning of larger module areas. <\/p>\n\n<h3 data-section-id=\"1mpa037\" data-start=\"972\" data-end=\"1009\"><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-164dcc3 elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"164dcc3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/solar-cleaning\/solarrobot-pro\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-9272\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-9272\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><p class=\"e-n-accordion-item-title-text\"> solarROBOT ultimate <\/p><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-9272\" class=\"elementor-element elementor-element-1d87cc2 e-con-full e-flex e-con e-child\" data-id=\"1d87cc2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2d3debb elementor-widget elementor-widget-text-editor\" data-id=\"2d3debb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1011\" data-end=\"1095\">For large-scale systems and ground-mounted projects. With a working width of 2.4 meters, maintenance-free chain drive and high area performance, the solarROBOT Ultimate was developed for professional use on large PV systems. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9105df elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"f9105df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/solar-cleaning\/solarrobot-ultimate\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-9273\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-9273\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><p class=\"e-n-accordion-item-title-text\"> solarBRUSH 600 <\/p><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-9273\" class=\"elementor-element elementor-element-e53c353 e-con-full e-flex e-con e-child\" data-id=\"e53c353\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e97a62e elementor-widget elementor-widget-text-editor\" data-id=\"e97a62e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1148\" data-end=\"1236\">The handheld cleaning solution for special constructions, complex roof geometries and professional cleaning service providers. Ideal for applications where cleaning robots cannot be used due to the design. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22a07b3 elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"22a07b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/cleaning-robots\/solarbrush\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65e36be elementor-pagination-type-bullets elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-n-carousel\" data-id=\"65e36be\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;carousel_items&quot;:[{&quot;slide_title&quot;:&quot;solarROBOT compact&quot;,&quot;_id&quot;:&quot;3b03dc1&quot;},{&quot;slide_title&quot;:&quot;solarROBOT pro&quot;,&quot;_id&quot;:&quot;1a686c1&quot;},{&quot;slide_title&quot;:&quot;solarROBOT ultimate&quot;,&quot;_id&quot;:&quot;4ba7940&quot;},{&quot;slide_title&quot;:&quot;solarROBOT ultimate&quot;,&quot;_id&quot;:&quot;a322fa6&quot;}],&quot;slides_to_show&quot;:&quot;1&quot;,&quot;slides_to_scroll&quot;:&quot;1&quot;,&quot;offset_sides&quot;:&quot;right&quot;,&quot;offset_width&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;offset_width_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0,&quot;sizes&quot;:[]},&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:48,&quot;sizes&quot;:[]},&quot;slides_to_show_tablet&quot;:&quot;2&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_width_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;arrows&quot;:&quot;yes&quot;,&quot;pagination&quot;:&quot;bullets&quot;,&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-carousel swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Karussell\" dir=\"ltr\">\n\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"1\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-612a9e6 e-flex e-con-boxed e-con e-child\" data-id=\"612a9e6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-2a69c6a e-con-full e-flex e-con e-child\" data-id=\"2a69c6a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c8b4ffb elementor-widget elementor-widget-image\" data-id=\"c8b4ffb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"493\" src=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2025\/10\/teaser-solar-robot-compact-860x530-01.webp\" class=\"attachment-large size-large wp-image-11111\" alt=\"Cleaning robot solarROBOT compact\" srcset=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2025\/10\/teaser-solar-robot-compact-860x530-01.webp 860w, https:\/\/hycleaner.de\/wp-content\/uploads\/2025\/10\/teaser-solar-robot-compact-860x530-01-300x185.webp 300w, https:\/\/hycleaner.de\/wp-content\/uploads\/2025\/10\/teaser-solar-robot-compact-860x530-01-768x473.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f71da2e elementor-widget elementor-widget-heading\" data-id=\"f71da2e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">solarROBOT compact<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0755370 elementor-widget elementor-widget-text-editor\" data-id=\"0755370\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For agricultural as well as small and medium rooftop systems up to approx. 200 kWp. The cleaning robot can be used independently by the system operator and is supplied including a charging station. CE-certified and developed specifically for cost-effective in-house operation.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41f95e7 elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"41f95e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/solar-cleaning\/solarrobot-compact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"2\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1adf9a7 e-flex e-con-boxed e-con e-child\" data-id=\"1adf9a7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a1bea19 e-con-full e-flex e-con e-child\" data-id=\"a1bea19\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c8a36ce elementor-widget elementor-widget-image\" data-id=\"c8a36ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"493\" src=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2025\/10\/teaser-solar-robot-pro-860x530-01.webp\" class=\"attachment-large size-large wp-image-11112\" alt=\"Cleaning robot solarROBOT pro\" srcset=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2025\/10\/teaser-solar-robot-pro-860x530-01.webp 860w, https:\/\/hycleaner.de\/wp-content\/uploads\/2025\/10\/teaser-solar-robot-pro-860x530-01-300x185.webp 300w, https:\/\/hycleaner.de\/wp-content\/uploads\/2025\/10\/teaser-solar-robot-pro-860x530-01-768x473.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b996da7 elementor-widget elementor-widget-heading\" data-id=\"b996da7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">solarROBOT pro<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-838f998 elementor-widget elementor-widget-text-editor\" data-id=\"838f998\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tFor medium-sized commercial and ground-mounted systems. With a working width of up to 2 meters and semi-automated operation, the solarROBOT Pro is ideal for efficient cleaning of larger module areas. \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-175a5ab elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"175a5ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/solar-cleaning\/solarrobot-pro\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"3\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-acd1db0 e-flex e-con-boxed e-con e-child\" data-id=\"acd1db0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-595ca51 e-con-full e-flex e-con e-child\" data-id=\"595ca51\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33d937b elementor-widget elementor-widget-image\" data-id=\"33d937b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"523\" src=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-ultimate12-860x530-2.webp\" class=\"attachment-large size-large wp-image-31078\" alt=\"\" srcset=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-ultimate12-860x530-2.webp 758w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-ultimate12-860x530-2-300x207.webp 300w\" sizes=\"(max-width: 758px) 100vw, 758px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-64669c0 elementor-widget elementor-widget-heading\" data-id=\"64669c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">solarROBOT ultimate<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c4e59b elementor-widget elementor-widget-text-editor\" data-id=\"0c4e59b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For large-scale systems and ground-mounted projects. With a working width of 2.4 meters, maintenance-free chain drive and high area performance, the solarROBOT Ultimate was developed for professional use on large PV systems. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b575517 elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"b575517\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/solar-cleaning\/solarrobot-ultimate\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"4\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-21807d5 e-flex e-con-boxed e-con e-child\" data-id=\"21807d5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6342805 e-con-full e-flex e-con e-child\" data-id=\"6342805\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d7cf1f2 elementor-widget elementor-widget-image\" data-id=\"d7cf1f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"788\" height=\"522\" src=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-sbrush2-860x530-2.webp\" class=\"attachment-large size-large wp-image-31079\" alt=\"\" srcset=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-sbrush2-860x530-2.webp 788w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-sbrush2-860x530-2-300x199.webp 300w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-sbrush2-860x530-2-768x509.webp 768w\" sizes=\"(max-width: 788px) 100vw, 788px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7f7dc5 elementor-widget elementor-widget-heading\" data-id=\"a7f7dc5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">solarBRUSH 600<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a890fb elementor-widget elementor-widget-text-editor\" data-id=\"4a890fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The handheld cleaning solution for special constructions, complex roof geometries and professional cleaning service providers. Ideal for applications where cleaning robots cannot be used due to the design. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-56b2838 elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"56b2838\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/cleaning-robots\/solarbrush\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\" aria-label=\"Previous\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-left\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M34.52 239.03L228.87 44.69c9.37-9.37 24.57-9.37 33.94 0l22.67 22.67c9.36 9.36 9.37 24.52.04 33.9L131.49 256l154.02 154.75c9.34 9.38 9.32 24.54-.04 33.9l-22.67 22.67c-9.37 9.37-24.57 9.37-33.94 0L34.52 272.97c-9.37-9.37-9.37-24.57 0-33.94z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\" aria-label=\"Next\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-right\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab69f39 elementor-widget elementor-widget-text-editor\" data-id=\"ab69f39\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>All systems clean without chemicals or soap using pure water and enable gentle, material-friendly cleaning of PV systems.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b2f38cf e-con-full e-flex e-con e-child\" data-id=\"b2f38cf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ee13db elementor-widget elementor-widget-heading\" data-id=\"6ee13db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Get in touch.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42e8c4a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"42e8c4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We analyze your system portfolio, calculate your individual cleaning needs and recommend the economically optimal cleaning concept\u2014from a single system to a multi-site park.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da9bb9a elementor-align-center elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"da9bb9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contact us now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-838d398 e-con-full e-flex e-con e-child\" data-id=\"838d398\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8efcbbf faq elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"8efcbbf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ: Frequently asked questions about the profitability of PV cleaning<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0585df8 elementor-widget elementor-widget-n-accordion\" data-id=\"0585df8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5790\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5790\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> From when does cleaning a PV system pay off? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5790\" class=\"elementor-element elementor-element-72961c2 e-con-full e-flex e-con e-child\" data-id=\"72961c2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b162c0b elementor-widget elementor-widget-text-editor\" data-id=\"b162c0b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>That depends on system type, location and degree of soiling. While an individual profitability calculation is recommended for smaller systems, professional cleaning is already economically sensible after a short time for many agricultural, commercial and large ground-mounted systems. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5791\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5791\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Is rain enough to keep solar modules clean? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5791\" class=\"elementor-element elementor-element-52cb5e8 e-con-full e-flex e-con e-child\" data-id=\"52cb5e8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bd30945 elementor-widget elementor-widget-text-editor\" data-id=\"bd30945\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>No. Rain mainly removes loose dust particles. Stubborn soiling such as bird droppings, ammonia deposits, lichens or baked-on dust crusts often remain permanently stuck to the modules and can significantly reduce energy yield.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5792\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5792\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> How often should a PV system be cleaned? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5792\" class=\"elementor-element elementor-element-9e75646 e-con-full e-flex e-con e-child\" data-id=\"9e75646\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2cca163 elementor-widget elementor-widget-text-editor\" data-id=\"2cca163\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The optimal cleaning interval depends on location, roof pitch and surrounding conditions. Agricultural systems often benefit from two cleanings per year, while for commercial and ground-mounted systems the individual soiling situation is decisive. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5793\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5793\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Can a soiled PV system cause technical damage? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5793\" class=\"elementor-element elementor-element-b677a27 e-con-full e-flex e-con e-child\" data-id=\"b677a27\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-80d433d elementor-widget elementor-widget-text-editor\" data-id=\"80d433d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Yes. Heavy soiling can promote local shading and thus cause so-called hotspots. These lead to increased temperatures in individual solar cells and can impair the performance and service life of the modules in the long term.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5794\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5794\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Why should cleaning be documented? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5794\" class=\"elementor-element elementor-element-8763144 e-con-full e-flex e-con e-child\" data-id=\"8763144\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1865d2b elementor-widget elementor-widget-text-editor\" data-id=\"1865d2b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Documented cleaning and maintenance measures create transparency about the system condition and can serve as proof of regular maintenance in the context of servicing, operator duties or in the event of an insurance claim.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-92d15b5 e-con-full e-flex e-con e-child\" data-id=\"92d15b5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c9e3968 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"c9e3968\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-check-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm0 48c110.532 0 200 89.451 200 200 0 110.532-89.451 200-200 200-110.532 0-200-89.451-200-200 0-110.532 89.451-200 200-200m140.204 130.267l-22.536-22.718c-4.667-4.705-12.265-4.736-16.97-.068L215.346 303.697l-59.792-60.277c-4.667-4.705-12.265-4.736-16.97-.069l-22.719 22.536c-4.705 4.667-4.736 12.265-.068 16.971l90.781 91.516c4.667 4.705 12.265 4.736 16.97.068l172.589-171.204c4.704-4.668 4.734-12.266.067-16.971z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Last technically reviewed on 06.07.2026 by Josha Kneiber, Managing Director hyCLEANER<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-18f2e60 e-con-full e-flex e-con e-child\" data-id=\"18f2e60\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-42ad5b8 elementor-widget elementor-widget-heading\" data-id=\"42ad5b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sources and Technical Foundations\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6489aa2 elementor-widget elementor-widget-text-editor\" data-id=\"6489aa2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Technical literature\/studies:<\/strong> DLR, CIEMAT, University of Ja\u00e9n \u2013 first continent-wide study on soiling losses in Europe, Renewable Energy (2024)<\/li><li><strong>Studies:<\/strong> <a href=\"https:\/\/www.ise.fraunhofer.de\/de\/presse-und-medien\/presseinformationen\/2015\/projekt-zu-brandrisiken-bei-pv-anlagen-erfolgreich-abgeschlossen-tuev-rheinland-und-fraunhofer-ise-veroeffentlichen-leitfaden.html\" target=\"_blank\" rel=\"noopener\">Fraunhofer ISE<\/a> &#038; <a href=\"https:\/\/www.tuv.com\/landingpage\/de\/pv-solar-energy\/downloads\/\" target=\"_blank\" rel=\"noopener\">T\u00dcV NORD<\/a> \u2013 documentation on hotspot formation due to cell shading (2015)<\/li><li><strong>Industry surveys:<\/strong> German Agricultural Society (DLG); agrarheute.com, practical survey (March 2026)<\/li><li><strong>Standards\/regulation:<\/strong> EEG \u2013 requirements for the ecological design of ground-mounted systems<\/li><li><strong>Manufacturer\/own practical experience:<\/strong> hyCLEANER GmbH &#038; Co. KG \u2013 calculations and practical values from customer projects in agriculture, commercial roofs and ground-mounted systems (2026)<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3db49ea e-con-full e-flex e-con e-child\" data-id=\"3db49ea\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b9cb5b5 elementor-widget elementor-widget-heading\" data-id=\"b9cb5b5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">About the Author\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57a4bd7e elementor-author-box--avatar-yes elementor-author-box--name-yes elementor-widget elementor-widget-author-box\" data-id=\"57a4bd7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div  class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/294cf9ef1e45e8184b8ff2a1fb711c8b4c7b84cac705dc8e634d0e83fd16b994?s=300&#038;d=mm&#038;r=g\" alt=\"Picture of Josha Kneiber, Gesch\u00e4ftsf\u00fchrer hyCLEANER\" loading=\"lazy\">\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<h4 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tJosha Kneiber, Gesch\u00e4ftsf\u00fchrer hyCLEANER\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d73f72 elementor-widget elementor-widget-text-editor\" data-id=\"2d73f72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.linkedin.com\/in\/josha-kneiber\/\" target=\"_blank\" rel=\"noopener\"><strong>Josha Kneiber<\/strong><\/a> is Managing Director of hyCLEANER and, together with <a href=\"https:\/\/www.linkedin.com\/in\/celinakneiber\/\" target=\"_blank\" rel=\"noopener\">Celina Kneiber<\/a>, is responsible for the company\u2019s strategic direction in the field of robot-assisted cleaning systems for PV, glass and facade surfaces. The content is based on many years of industry experience, technical expertise and insights from the day-to-day use of hyCLEANER systems in industry, agriculture and ground-mounted projects. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7598bb3c faq elementor-widget elementor-widget-heading\" data-id=\"7598bb3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Areas of expertise:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-478a3bf7 elementor-widget elementor-widget-text-editor\" data-id=\"478a3bf7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/hycleaner.de\/en\/blog\/\">PV cleaning<\/a> | <a href=\"https:\/\/hycleaner.de\/en\/cleaning-robots\/\">Cleaning robotics<\/a> | <a href=\"https:\/\/hycleaner.de\/en\/glass-roof-cleaning\/\">Glass roof cleaning<\/a> | <a href=\"https:\/\/hycleaner.de\/en\/solar-cleaning\/\">Solar cleaning<\/a> | <a href=\"https:\/\/hycleaner.de\/en\/facade-cleaning\/\">Facade cleaning<\/a> | <a href=\"https:\/\/hycleaner.de\/en\/add-ons\/\">Industrial cleaning<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-12dd846 e-con-full e-flex e-con e-child\" data-id=\"12dd846\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_offset&quot;:30,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\">\n\t\t<div class=\"elementor-element elementor-element-7151c8c e-con-full e-flex e-con e-child\" data-id=\"7151c8c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2cf681e2 elementor-author-box--avatar-yes elementor-author-box--name-yes elementor-widget elementor-widget-author-box\" data-id=\"2cf681e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div  class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/294cf9ef1e45e8184b8ff2a1fb711c8b4c7b84cac705dc8e634d0e83fd16b994?s=200&#038;d=mm&#038;r=g\" alt=\"Picture of Josha Kneiber, Gesch\u00e4ftsf\u00fchrer hyCLEANER\" loading=\"lazy\">\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<h4 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tJosha Kneiber, Gesch\u00e4ftsf\u00fchrer hyCLEANER\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f6f79f elementor-widget elementor-widget-text-editor\" data-id=\"9f6f79f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tPublished: 22.07.2026<br\/>Last reviewed: 22.07.2026<br\/>Reading time:  15 Minuten<br>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8e37c6 elementor-widget elementor-widget-html\" data-id=\"f8e37c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script>document.addEventListener(\"DOMContentLoaded\", function () {\n  const button = document.querySelector(\"#chatgpt-summary a\");\n\n  if (!button) return;\n\n  const url = encodeURIComponent(window.location.href);\n  const prompt = encodeURIComponent(\n    \"Fasse diese Webseite in Stichpunkten zusammen: \"\n  );\n\n  button.href = \"https:\/\/chatgpt.com\/?q=\" + prompt + url;\n  button.target = \"_blank\";\n  button.rel = \"noopener\";\n});\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b1f978 elementor-align-justify elementor-widget__width-inherit chatgpt-summary elementor-widget elementor-widget-button\" data-id=\"3b1f978\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"chatgpt-summary\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">AI summary<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2bf16c9 e-con-full e-flex e-con e-child\" data-id=\"2bf16c9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-889f508 elementor-toc--content-ellipsis elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"889f508\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:&quot;.weiter-artikel&quot;,&quot;no_headings_message&quot;:&quot;Es wurden keine \\u00dcberschriften auf dieser Seite gefunden.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__889f508\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__889f508\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__889f508\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bd23f93 e-con-full e-flex e-con e-child\" data-id=\"bd23f93\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7b49a9 elementor-widget elementor-widget-heading\" data-id=\"e7b49a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How badly is your system affected?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aeae75c elementor-widget elementor-widget-text-editor\" data-id=\"aeae75c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Calculate your individual yield loss with the hyCLEANER solar loss calculator.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28b8998 elementor-align-left elementor-widget__width-inherit button elementor-widget elementor-widget-button\" data-id=\"28b8998\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Calculate Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8e92d3b e-con-full e-flex e-con e-child\" data-id=\"8e92d3b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bbef1fe elementor-widget elementor-widget-heading\" data-id=\"bbef1fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Individual Offer<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4eb43e9 elementor-widget elementor-widget-text-editor\" data-id=\"4eb43e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We recommend the economically right cleaning concept for your system.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-928d2f5 elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"928d2f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request a quote<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5041591d weiter-artikel e-flex e-con-boxed e-con e-parent\" data-id=\"5041591d\" data-element_type=\"container\" data-e-type=\"container\" id=\"weiter-artikel\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-53bc12f0 weiter-artikel elementor-widget elementor-widget-heading\" data-id=\"53bc12f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Further technical articles<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-931c1df e-con-full e-flex e-con e-child\" data-id=\"931c1df\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c390249 premium-blog-align-left elementor-widget elementor-widget-premium-addon-blog\" data-id=\"c390249\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;premium_blog_columns_number&quot;:&quot;33.33%&quot;,&quot;premium_blog_grid&quot;:&quot;yes&quot;,&quot;premium_blog_layout&quot;:&quot;even&quot;,&quot;premium_blog_columns_number_tablet&quot;:&quot;50%&quot;,&quot;premium_blog_columns_number_mobile&quot;:&quot;100%&quot;}\" data-widget_type=\"premium-addon-blog.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t\n\n\t\t\t\t<div class=\"premium-blog-wrap  premium-blog-even\" data-page=\"29224\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"8\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"530\" src=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/teaser-artikel-solarkosten-schmutz-860x530-1.webp\" class=\"attachment-full size-full wp-image-30190\" alt=\"\" srcset=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/teaser-artikel-solarkosten-schmutz-860x530-1.webp 860w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/teaser-artikel-solarkosten-schmutz-860x530-1-300x185.webp 300w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/07\/teaser-artikel-solarkosten-schmutz-860x530-1-768x473.webp 768w\" sizes=\"(max-width: 860px) 100vw, 860px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/hycleaner.de\/en\/expert-knowledge\/how-water-quality-affects-osmosis-cleaning-2\/\" target=\"_blank\" aria-label=\"What does an uncleaned solar system really cost you?\"><\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/hycleaner.de\/en\/expert-knowledge\/how-water-quality-affects-osmosis-cleaning-2\/\" target=\"_blank\">\n\t\t\t\tWhat does an uncleaned solar system really cost you?\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\t\t\t\t<span class=\"premium-blog-meta-separator\">\u2022<\/span>\n\t\t\t\t<div class=\"premium-blog-post-time premium-blog-meta-data\">\n\t\t\t\t\t<i class=\"fa fa-calendar-alt\" aria-hidden=\"true\"><\/i>\n\t\t\t\t\t<span>22. July 2026<\/span>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">How much does a dirty solar system cost? Example calculations for agriculture, commercial roofs and ground-mounted systems \u2013 incl. yield losses and cleaning intervals.<\/p>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"8\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"530\" src=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/06\/teaser-interview-kierstein2-teil2-860x530-1.webp\" class=\"attachment-full size-full wp-image-29736\" alt=\"Photovoltaik Sachverst\u00e4ndiger Pascal Kierstein\" srcset=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/06\/teaser-interview-kierstein2-teil2-860x530-1.webp 860w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/06\/teaser-interview-kierstein2-teil2-860x530-1-300x185.webp 300w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/06\/teaser-interview-kierstein2-teil2-860x530-1-768x473.webp 768w\" sizes=\"(max-width: 860px) 100vw, 860px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/hycleaner.de\/en\/expert-knowledge\/maintenance-of-pv-systems-why-cleaning-is-also-crucial-for-yield-and-profitability-2\/\" target=\"_blank\" aria-label=\"Typical Defects in Commercial PV Systems and How Operators Can Avoid Them\"><\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/hycleaner.de\/en\/expert-knowledge\/maintenance-of-pv-systems-why-cleaning-is-also-crucial-for-yield-and-profitability-2\/\" target=\"_blank\">\n\t\t\t\tTypical Defects in Commercial PV Systems and How Operators Can Avoid Them\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\t\t\t\t<span class=\"premium-blog-meta-separator\">\u2022<\/span>\n\t\t\t\t<div class=\"premium-blog-post-time premium-blog-meta-data\">\n\t\t\t\t\t<i class=\"fa fa-calendar-alt\" aria-hidden=\"true\"><\/i>\n\t\t\t\t\t<span>6. July 2026<\/span>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">Photovoltaic expert Pascal Kierstein explains the most common defects in commercial PV systems and shows how operators can prevent damage.<\/p>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"8\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"530\" src=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-ultimate5-860x530-2.webp\" class=\"attachment-full size-full wp-image-28821\" alt=\"\" srcset=\"https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-ultimate5-860x530-2.webp 860w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-ultimate5-860x530-2-300x185.webp 300w, https:\/\/hycleaner.de\/wp-content\/uploads\/2026\/05\/teaser-neu-prod26-ultimate5-860x530-2-768x473.webp 768w\" sizes=\"(max-width: 860px) 100vw, 860px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/hycleaner.de\/en\/expert-knowledge\/photovoltaic-cleaning-brushes-materials-technology-and-areas-of-application\/\" target=\"_blank\" aria-label=\"Photovoltaic cleaning brushes: materials, technology and areas of application\"><\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/hycleaner.de\/en\/expert-knowledge\/photovoltaic-cleaning-brushes-materials-technology-and-areas-of-application\/\" target=\"_blank\">\n\t\t\t\tPhotovoltaic cleaning brushes: materials, technology and areas of application\t\t\t<\/a>\n\t\t<\/h2>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\t\t\t\t<span class=\"premium-blog-meta-separator\">\u2022<\/span>\n\t\t\t\t<div class=\"premium-blog-post-time premium-blog-meta-data\">\n\t\t\t\t\t<i class=\"fa fa-calendar-alt\" aria-hidden=\"true\"><\/i>\n\t\t\t\t\t<span>23. June 2026<\/span>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">Find out which photovoltaic cleaning brushes are suitable for different systems and what matters when it comes to material, bristles and gentle cleaning.<\/p>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1d9c6227 ausblenden e-flex e-con-boxed e-con e-parent\" data-id=\"1d9c6227\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6cac66a3 elementor-align-left elementor-widget__width-inherit elementor-widget elementor-widget-button\" data-id=\"6cac66a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hycleaner.de\/en\/blog\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Back to the blog overview<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>How much does a dirty solar system cost? Example calculations for agriculture, commercial roofs and ground-mounted systems \u2013 incl. yield losses and cleaning intervals.  <\/p>\n","protected":false},"author":11,"featured_media":30190,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[116],"tags":[389,390,240],"class_list":["post-29224","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-expert-knowledge","tag-cost-effectiveness","tag-fire-protection","tag-pv-cleaning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Cleaning a solar system: What does an uncleaned solar system cost?<\/title>\n<meta name=\"description\" content=\"How much does a dirty solar system cost? Example calculations for agriculture, commercial roofs and ground-mounted systems incl. yield losses.\" \/>\n<meta name=\"robots\" content=\"noindex, nofollow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Water Quality Affects Osmosis Cleaning | hyCLEANER Blog\" \/>\n<meta property=\"og:description\" content=\"Water quality significantly influences the success of osmosis cleaning. 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