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Canton GraubündenArosa

Solar System in Arosa: Subsidies & Costs 2026

Calculate your solar subsidy in Arosa. Pronovo EIV, cantonal contributions and tax deductions for PV systems in Canton Graubünden.

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Location
Arosa
Canton Graubünden (GR)
Postal Codes
7050
Subsidy Status
CHF 300/kWp for winter-optimised facade installations (vertical, ≥60°). Focus on winter electricity production. Min. 1250 kWh/a solar radiation required.

Subsidies in Arosa

Federal Subsidy (Pronovo)

One-time payment (EIV) for all solar systems in Arosa.

Up to 30% of investment costs
Cantonal Bonus

Cantonal Subsidy Graubünden

CHF 300/kWp for winter-optimised facade installations (vertical, ≥60°). Focus on winter electricity production. Min. 1250 kWh/a solar radiation required.

Details
  • CHF 300 per installed kWp

Tax Benefit in Arosa

Investments in solar systems are tax-deductible (property maintenance).

Distributable over up to 3 tax years

Costs & Installation

What does a system cost in Arosa?

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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Example Calculation for Arosa

Estimated subsidy for a standardised 10 kWp rooftop installation in 2026.

Subsidy SourceAmount (CHF)Basis
Federal Subsidy (Pronovo)3,60010 kWp × CHF 360/kWp
Canton Graubünden—Federal subsidy only
Tax Savings (approx.)7,000Approx. 28% of CHF 25,000 investment
Total subsidy (estimated)10,60042% of investment

* Calculation basis: 10 kWp rooftop installation, Pronovo rates 2026. Tax savings vary depending on personal tax rate.

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Frequently Asked Questions about Solar in Arosa

How much is the solar subsidy in Arosa in 2026?
In Arosa you receive the Pronovo one-time payment (EIV) from the federal government plus a cantonal top-up from Canton Graubünden. CHF 300/kWp for winter-optimised facade installations (vertical, ≥60°). Focus on winter electricity production. Min. 1250 kWh/a solar radiation required.
Which installation companies operate in Arosa?
Through Solar Advisor we connect you with verified solar installers active in the Arosa area. All partners are Swissolar-certified and know the local conditions.
Do I need a building permit for a solar system in Arosa?
Roof-integrated and roof-mounted systems in Arosa are generally permit-free, provided they do not significantly alter the building's appearance and are not in a protected zone. Check with your local municipality.
How long is the payback period in Arosa?
For a 10 kWp system in Arosa with approx. CHF 25,000 investment, payback is typically 8–12 years — accelerated by Pronovo subsidies and any cantonal contributions.
More municipalities in Canton Graubünden
ChurDavosLandquartSt. Moritz
Related Pages
Canton Graubünden – Subsidy OverviewSolarprofis® in Graubünden
Emir Kovacevic
Author & Expert

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.

Learn more about Emir