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Vineyards and a village with a church above Lake Constance in the evening light, sailing boats on the lake

Canton of Thurgau

Solar installation in Thurgau.Compare 3 quotes.

We obtain 3 quotes from solar companies in Thurgau and advise you personally on which one suits your house best.

  • Quick to request
  • No obligation
  • Personal advice

Solar companies in Thurgau

From Frauenfeld to Arbon:
solar companies near you.

Heimtreffer works with selected solar companies that operate in Thurgau. For your solar installation, we contact the companies that suit your roof and your location.

KreuzlingenFrauenfeldWeinfeldenAmriswilRomanshornArbon
Map: © swisstopo
  • Frauenfeld
  • Kreuzlingen
  • Weinfelden
  • Arbon
  • Amriswil
  • Romanshorn
  • Aadorf
  • Bischofszell
  • Short distances

    The solar companies are in the region and can be with you quickly.

  • Local experience

    They know the Thurgau municipalities and the local electricity utilities.

  • Person­ally selected

    We only work with solar companies that we know personally.

Costs

What does a solar installation cost
in Thurgau?

The costs depend on roof area, output and equipment. For a single-family house, they are usually between CHF 15’000 and 30’000 before subsidies.

  • Size of the system

    More modules cost more, but the system becomes cheaper per kilowatt.

  • Battery storage

    A battery costs extra and increases the share of solar power you use yourself.

  • Roof and installation

    Roof shape, scaffolding and the condition of the roof affect the effort.

  • Exact figures for your house

    In the 3 quotes, you see the prices for your roof, not just guide values.

Subsidies and permits

Subsidies and rules
in Thurgau.

The federal government and the canton support solar installations, and the procedure in Thurgau is simple. The key points at a glance.

Young plant growing out of two stacks of coins

Subsidies

  • Federal government

    One-off subsidy for solar installations from 2 kilowatts of output, paid out via Pronovo.

  • Canton of Thurgau

    The canton runs its own energy subsidy programme, which is adjusted regularly.

  • Municipality

    Depending on where you live, there are further grants.

Building plans and a form on a clipboard next to a white hard hat

Permits

  • Up to 35 m² in the building zone

    Neither a building permit nor a notification is required.

  • Larger roof installations

    As a rule, a notification to the municipality at least 20 days before construction starts is sufficient.

  • Protected buildings

    Cultural and natural monuments require a building permit.

What applies to your house

During the consultation, we show you which subsidies and which procedure apply to your project.

Get 3 quotes for free
Sailing boat on the turquoise Lake Constance, wooded hills and mountains behind

How it works

3 steps to
a solar installation in Thurgau.

One request is enough. Heimtreffer obtains 3 quotes for your photovoltaic system from Thurgau solar companies and helps you compare them.

  1. Start your request

    Answer a few questions about your house. It only takes a few minutes.

  2. We obtain 3 quotes

    We contact solar companies that operate in Thurgau. You do not have to chase anyone.

  3. Get personal advice

    We go through the quotes with you, from price and components to warranty. You decide.

Frequently asked questions

Questions about solar installations
in Thurgau.

Do I need a building permit for a solar installation in Thurgau?

Usually not. In the building zone, installations up to 35 m² need neither a permit nor a notification. For larger roof installations, a notification to the municipality at least 20 days before construction starts is usually sufficient.

What subsidies are available in Thurgau?

The federal government pays the one-off subsidy for solar installations from 2 kilowatts, paid out via Pronovo. The Canton of Thurgau pays CHF 1’000 towards battery storage from 10 kWh; the application must be submitted before installation. The commitments for 2026 have been used up, new applications go on a waiting list.

Is a solar installation worthwhile in Thurgau?

That depends mainly on how much of your solar power you use yourself. Electricity from the grid cost around 32 centimes per kilowatt hour on average in Switzerland in 2024. For power you feed in, you usually get much less. In 2025, installations of 10 to 30 kilowatts in Thurgau cost a median of CHF 1’869 per kilowatt excluding VAT. That is slightly less than the Swiss median of CHF 1’911.

Who registers the solar installation with the municipality?

As a rule, the solar company does this for you. Up to 35 m² in the building zone, no notification is needed. The solar company reports larger installations to the municipality no later than 20 days before construction starts, with a site plan and the position on the building. The solar map in ThurGIS shows whether your house needs a building permit.

In which Thurgau municipalities is Heimtreffer active?

Throughout the Canton of Thurgau, for example in Frauenfeld, Kreuzlingen, Weinfelden, Arbon, Amriswil, Romanshorn, Aadorf and Bischofszell.

Farmhouse in rolling countryside with solar panels on the barn roof

Get started

Get 3 quotes now
for your solar installation in Thurgau.

A few steps to 3 no-obligation quotes from solar companies in your region.

Get 3 quotes for free