Solar System in Interlaken: Subsidies & Costs 2026
Calculate your solar subsidy in Interlaken. Pronovo EIV, cantonal contributions and tax deductions for PV systems in Canton Bern.
Subsidies in Interlaken
Federal Subsidy (Pronovo)
One-time payment (EIV) for all solar systems in Interlaken.
Cantonal Subsidy Bern
No direct cantonal PV subsidy (cash). Municipalities offer own programmes: City of Bern, Thun and Ittigen up to CHF 500/kWp. Full tax deduction possible.
Tax Benefit in Interlaken
Investments in solar systems are tax-deductible (property maintenance).
Costs & Installation
What does a system cost in Interlaken?
A typical 10 kWp system including installation and connection costs between CHF 22,000 and CHF 28,000. After deducting subsidies, the net costs are significantly reduced.
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Estimated subsidy for a standardised 10 kWp rooftop installation in 2026.
| Subsidy Source | Amount (CHF) | Basis |
|---|---|---|
| Federal Subsidy (Pronovo) | 3,600 | 10 kWp × CHF 360/kWp |
| Canton Bern | — | Federal subsidy only |
| Tax Savings (approx.) | 7,000 | Approx. 28% of CHF 25,000 investment |
| Total subsidy (estimated) | 10,600 | 42% of investment |
* Calculation basis: 10 kWp rooftop installation, Pronovo rates 2026. Tax savings vary depending on personal tax rate.
Frequently Asked Questions about Solar in Interlaken
How much is the solar subsidy in Interlaken in 2026?
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Do I need a building permit for a solar system in Interlaken?
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Emir Kovacevic
Emir is a software engineer and specialist in solar building analysis. As founder of Solar Advisor Switzerland, he analyses the latest Pronovo tariffs and cantonal subsidy guidelines daily to provide homeowners with honest, fact-based recommendations.