Solar panel cleaning in Lachen
From our location in Siebnen it is roughly 8 minutes to Lachen.
Cleaning photovoltaic modules with deionised water, without detergents and without scratching the glass.
More on solar panel cleaning
What applies in Lachen
The Swiss Federal Office of Energy puts the solar electricity potential of the suitable roof surfaces in Lachen at 37.90 GWh a year. July accounts for 5.36 GWh of that, December for 0.84 GWh, roughly 6.4 times as much in summer. An array's annual yield is therefore decided in the summer half of the year, which is exactly when soiled modules cost the most.
The smallest municipality in the canton by area, with around 9,500 residents on 2.44 square kilometres, more than half of which is water. Built up densely as a result. A historic small town whose townscape is of national importance. In 2025, 53 residential units were approved and 79 were under construction.
Octapharma AG is headquartered here and is planning a new building. The Estée Lauder plant site is here too.
Source · secondary source
Right on the Obersee, low-lying between 405 and 440 metres. Not a heavy-snow spot.
Source · secondary source
Every month end except 31 December is a customary termination date. Handovers are therefore spread across the whole year.
Worth knowing for Lachen
Access and parking
Lachen has its own A3 motorway exit, named Oberdorf. Lachen-Altendorf station sits on the Zurich-Pfäffikon-Ziegelbrücke line and is additionally served every half hour by the S2 direct to Zurich main station and the airport, and hourly by the S25 towards Zurich main station and Linthal.
Waste disposal locally
The central recycling yard for Lachen is at Alpenblickstrasse 9b and is run by Steinauer AG, open Monday to Friday from 7 to 12 and 13 to 17 and on Saturdays from 8 to 12 and 13 to 16. The former central ZAM collection point in the centre of Lachen closed at the end of November 2022.
Quarters and districts
Locals in Lachen distinguish areas such as Zentrum/Seidenstrasse, Kapelle by the Bürgerheim care home, Seefeld and Äussere Haab by the lake; the same names appear in the municipality official breakdown of its public parking spaces.
Housing market
The vacancy rate in the municipality of Lachen stood at 0.24 per cent on 1 June 2025 (11 empty flats), after 0.19 per cent in 2024 and 0.13 per cent in 2023. That puts Lachen among the tightest housing markets in canton Schwyz.
Our service in Lachen
This is about your job: Solar panel cleaning in Lachen. Briefly tell us what you need and we will respond personally.
What we handle
- Visual check of modules, clamps and cable routing before any water is used
- Cleaning with deionised water, no detergents and no high pressure
- Removal of moss and lichen along the lower module edge and frame
- Work from the ground with a telescopic system wherever height and pitch allow
- Lift platform or fall protection arranged through partner firms
- Short report with photographs taken before and after the work
Frequently asked questions
Do you cover Lachen?
From our location in Siebnen it is roughly 8 minutes to Lachen. The inspection on site is free and without obligation, and after that the price is fixed.
What does it cost?
We do not quote a flat rate blind. We look at the property and then give you a fixed price that stays fixed. For smaller jobs a description with photos is often enough.
When should I book?
Every month end except 31 December is a customary termination date. Handovers are therefore spread across the whole year.