Already 55+ installations cleaned in the Hasselt area

Cleaning solar panels in Hasselt

Name: Solarco
Rating: 5

In and around Hasselt, solar panels are located between busy highways, the Genk industrial cluster and the Haspengouw fruit region. The combination of exhaust particulates, agricultural dust and blossom pollen often reduces efficiency unnoticed. We clean your installation safely with osmosis water, without scratching and without you having to go on the roof yourself.

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5/5 Google Reviews

Active in BE, NL, DE & FR

Since 2018

500+ corporate clients

Hasselt: specific conditions for solar panels

Hasselt and the wider Limburg capital region combine urban traffic density with agricultural surroundings and an industrial cluster around Genk. That mix means solar panels here face not only traffic soot but also agricultural dust and early spring pollen.

Local factors affecting returns

Traffic along E314: the busy Brussels-Aachen axis causes continuous deposition of exhaust fine dust on roofs in and around Hasselt-Diepenbeek.
Genk industrial cluster: logistics, manufacturing and the legacy of Ford Genk create industrial dust particles that settle inland.
Agricultural environment: fruit and arable farming in Haspengouw releases plant protection products and soil dust into the air, especially during spraying seasons.
Pollen: the forests around Bokrijk and the blossom of Hesbaye orchards provide exceptionally abundant pollen in spring.

What that means for your installation

In Greater Hasselt and Limburg, we recommend one cleaning per year for most roofs, with a second cleaning for those living along the E314 or in the Genk-Zuid industrial zone. We match the rhythm to your roof pitch, orientation and yield dates.

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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 Hasselt

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 Hasselt

For most roofs in greater Hasselt, one thorough cleaning a year is sufficient, but those living near the E314 or the Genk industrial zone may benefit from a second maintenance. During the blossoming and spraying season in Haspengouw, we see pollution rising extra quickly.

Rain washes off loose dust, but leaves behind the finer agricultural and industrial film typical of the Limburg mix. That thin layer is exactly what undermines your efficiency in the long run.

Yes. We clean private roofs in Greater Hasselt as well as large company installations in the Genk-Zuid industrial zone, at logistics parks on the E314 and on farms in Haspengouw. With our cleaning robots, we also process large installations with thousands of modules.

Clients in the Limburg capital typically see between 8 and 20% yield recovery immediately after cleaning, with the highest gains on roofs on the Ring Road or in industrial zones. We compare monitoring data with you to visualise the gains.

We work throughout greater Hasselt, including in Kuringen, Stevoort, Kermt, Sint-Lambrechts-Herk and Wimmertingen, and in surrounding municipalities such as Genk, Diepenbeek, Zonhoven, Houthalen-Helchteren, Sint-Truiden, Alken, Lummen and Heusden-Zolder.