Already cleaned 220+ plants in North Rhine-Westphalia

Cleaning solar panels in North Rhine-Westphalia

Name: Solarco
Rating: 5

No other German state combines so much heavy industry, dense highways and agricultural areas as North Rhine-Westphalia. Solar panels there are subjected to an exceptionally high load of metal, chemical and carbon particles. We clean your plant streak-free with osmosis water, with measurable yield gains.

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5/5 Google Reviews

Active in BE, NL, DE & FR

Since 2018

500+ corporate clients

North Rhine-Westphalia: specific conditions for solar panels

North Rhine-Westphalia is the most densely populated state in Germany and is home to the Ruhr, Rheinland and Münsterland regions. That concentration of heavy industry, dense traffic axes and large urban centres makes it one of the most heavily loaded areas for solar panels in central Europe.

Local factors affecting returns

Ruhr region: the heartland of Germany's steel, chemical and coal legacy spreads heavy industrial fallout to much of NRW.
Motorway network A1, A2, A3 and A40: Germany's densest motorway network creates a quasi-continuous deposition of exhaust particulates.
Chemical clusters: BASF, Bayer, Lanxess, Henkel and Evonik operate large chemical parks in Leverkusen, Krefeld, Marl and Düsseldorf.
Münsterländer agricultural area: intensive livestock farming in Münsterland spreads ammonia and manure precipitation far into northern NRW.

What that means for your installation

In North Rhine-Westphalia, we recommend two cleanings per year for most roofs, with a quarterly rhythm for large industrial plants in the Ruhr region or at chemical parks. We tailor the schedule to your location and monitoring data.

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Getting solar panels professionally cleaned

Getting solar panels cleaned doesn't have to be complicated. You request a quote, we schedule a date, and our team does the rest - you don't even have to be there. Afterwards, you will receive a report with before and after photos. No hassles, no surprises, no additional costs.

Our 4-step approach

Thorough pre-inspection

Visual + thermographic check of your installation. We identify hotspots and damage before cleaning.

Robotic cleaning with osmosis water

Our certified cleaning robots operate on battery, without chemicals. Osmosis water dissolves all dirt and leaves no streaks or residue.

Quality control

After cleaning, we recheck each panel. You will receive a detailed report with before and after photos.

Aftercare and Advice

Based on your installation, environment and production data we draw up an optimal cleaning calendar.

Why companies choose Solarco

Professional and environmentally friendly

Solarco uses professional techniques to clean your solar panels, including robotic cleaning systems and osmosis water. This is not only better for your panels, but also better for the environment as no harsh cleaning agents are involved in our solar panel cleaning.

Safety first

We always work according to strict safety guidelines. Our operators are fully certified and trained to work on aerial platforms and roofs. Moreover, we have comprehensive insurance that covers any kind of risk or liability. This allows us to safely clean solar panels.

Innovative cleaning robots

For large solar parks or extensive roof installations, Solarco deploys robot cleaners. These robots run on batteries and are certified by renowned module manufacturers. The robot can quickly and evenly clean large installations of solar panels without damaging the panels.

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Benefits of professional solar panel cleaning in North Rhine-Westphalia

Higher efficiency: Several studies show that cleaning solar panels can provide an efficiency improvement of a few percent to as much as 15%, depending on the degree of contamination.
Longer lifespan: By preventing dirt build-up and hot spots, your entire system will last longer.
Safety and warranty: Many manufacturers recommend professional cleaning to maintain the warranty. Climbing a roof yourself is also not without risk.
Time savings: With the right tools and experience, we can take care of a large installation in a short time, while you yourself spend your precious time on other things.
Sustainable approach: Osmosis water and robotic cleaning minimise the use of harmful chemicals, which is better for the environment as well as for the panels themselves.

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Frequently asked questions about solar panel cleaning North Rhine-Westphalia

Due to the Ruhr region and Germany's densest autobahn network, we recommend two cleanings per year for residential roofs in NRW. For industrial roofs in the Ruhr region, we recommend a quarterly rhythm.

Rain washes off loose dust but leaves the typical NRW mix of metal particles, carbon and chemical precipitation. That layer is responsible for the creeping yield loss we see time and again in monitoring data.

Yes. We clean homes throughout NRW as well as large company roofs at ThyssenKrupp, Bayer, Henkel, Ford, Evonik, at the Duisport and Cologne-Bonn logistics clusters, and at agricultural businesses in Münsterland.

Customers in North Rhine-Westphalia typically see 11 to 28% yield recovery immediately after cleaning, with the biggest gains in the Ruhr region and at chemical parks. We back up these figures with your monitoring data.

We work throughout North Rhine-Westphalia, including in Cologne, Düsseldorf, Dortmund, Essen, Duisburg, Bochum, Wuppertal, Bonn, Münster, Aachen, Mönchengladbach, Gelsenkirchen, Krefeld, Hagen and Hamm.