Solar installation costs in Switzerland
Most Swiss detached houses pay between CHF 15,000 and CHF 35,000 for a complete photovoltaic installation — depending on the size, roof type and components chosen.
1'400 – 2'200
CHF/kWp
Average cost
300 – 400
CHF/kWp
OTP subsidy
10 – 15
years
Payback period
Price overview
Prices by system size
| Size | Annual production | Price (gross) | Area required | Ideal for |
|---|---|---|---|---|
5 kWp | 4,500 – 5,000 kWh | CHF 13'000 – 18'000 | approx. 30 – 35 m² | Small house |
Popular8 kWp | 7,500 – 8,000 kWh | CHF 18'000 – 25'000 | approx. 50 – 55 m² | Detached house |
10 kWp | 9,000 – 10,000 kWh | CHF 22'000 – 30'000 | approx. 62 – 68 m² | Large house / apartment |
Gross prices before subsidies. The one-time payment reduces costs by CHF 300–400/kWp.
Cost factors
What influences the price?
System size
Larger installations have a lower cost per kWp due to economies of scale.
Roof area
The larger the available roof area, the larger the installation can be dimensioned.
Roof type
Flat roofs or complex roofs can result in higher installation costs.
Components
High-quality modules or inverters can increase the price but offer better warranties.
Benefits of solar
Why invest?
With battery storage
A battery storage system increases self-consumption to up to 70%. Additional cost: CHF 7,000 – 15,000 depending on capacity.
Frequently asked questions
FAQ on costs
What does a solar installation for a detached house cost?
Most solar installations for detached houses in Switzerland cost between CHF 18,000 and CHF 30,000 after subsidies (OTP). This is the typical price range for a standard 8 to 10 kWp system.
How much does a 10 kW solar installation cost in Switzerland?
A 10 kWp photovoltaic installation in Switzerland typically costs between CHF 22,000 and CHF 30,000. After deducting the federal one-time payment (OTP), the net costs can be significantly lower. Such an installation produces approximately 9,000–10,000 kWh of electricity per year.
How much electricity does a solar installation produce?
In Switzerland, a solar installation produces approximately 900–1,000 kWh per kWp per year. A 10 kWp installation therefore produces around 9,000–10,000 kWh annually.
Is solar energy worth it in Switzerland?
Yes. With rising electricity prices and available subsidies, most installations pay for themselves within 10 to 15 years, with a lifespan of 25 to 30 years.
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