We plan, install and clean solar systems for homes and small businesses. Fixed quote within 48 hours, one team from first visit to grid connection.
What we do
From the first kilowatt to the twentieth year of operation.
Planning, subsidies, mounting and grid connection. Most homes are done in two days.
from CHF 14'900 / 8 kWp
Use your own power in the evening. Retrofit for any existing system.
from CHF 6'400 / 10 kWh
Pure-water cleaning without chemicals. Dirty panels lose up to 15% of their output.
from CHF 290 / visit
Thermal imaging, inverter checks and repairs, including systems we didn't install.
from CHF 190 / check
Why Sonnwerk
Our own electricians and roofers do every job. The price in your quote is the price you pay, subsidies included.
How it works
We visit, measure your roof and look at your power bills. 45 minutes, no obligation.
System size, yield, payback time and subsidy amount, all on two pages.
Scaffolding, panels and inverter in one to three days. We clean up every evening.
We register the system with your utility and show you the monitoring app.
Recent projects
Cleaning plans
For any system, no matter who installed it. Prices for up to 30 panels.
A one-off clean when your yield drops.
Cleaning plus a full technical inspection.
We come every spring and autumn. You never think about it.
Reviews
The quote was exactly what we paid, subsidy included. Our bill dropped from CHF 190 to CHF 35 a month.
Two days on the roof, and they left the garden cleaner than before. The monitoring app is great.
After the first clean our yield went up 11%. The yearly plan pays for itself.
FAQ
Most roofs facing south, east or west with little shade are. Our free roof check tells you the exact yield and payback time before you decide anything.
The federal Pronovo subsidy covers around 20–30% of a typical home system. Many cantons and towns add more. We apply for everything on your behalf.
For a family home, one to three days on the roof. From signed quote to grid connection it usually takes about six weeks.
Once a year for most homes, twice a year near farms, roads or trees. Dirty panels can lose up to 15% of their output.
Yes. Cleaning, inspections and repairs are available for any brand and any installer.
Tell us where you live. We'll call within one working day to find a time.
