Subsidies in the canton of Valais: amounts and application procedures (2026)
Heat pumps, insulation, solar energy, CECB Plus: financial assistance from the canton of Valais, financial assistance from municipalities and a calculator to estimate your grant.
Last updated on 3 November 2026 · Reading time: 2 mins · By the RenovSwiss team
The canton of Valais supports the replacement of fossil fuel and electric heating systems, the insulation of buildings and other energy-saving measures through the Buildings Programme. Applications must always be submitted before work begins.
Source of figures : The 2026 fee scale can be viewed on the canton’s website.
In brief
The canton provides the bulk of the funding; many municipalities contribute additional funding.
Submit your application before the work begins, via your canton’s ‘Programme Bâtiments’ platform.
Energy-saving works are also tax-deductible.
What the canton of Valais pays
Building work
Cantonal assistance
Main conditions
Air-to-water heat pump (M-05) and geothermal heat pump (M-06)
Amount calculated based on the heat pump’s performance
Replaces a fossil fuel or electric heating system
Connection to a district heating or wood-fired heating system
As per the canton’s guidelines
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Insulation (M-01) and building envelope bonus (IP-14)
I was unable to view the official 2026 Valais scale: the exact amounts should be taken from the cantonal factsheets prior to publication.
Photovoltaic systems are administered by Pronovo, not by the canton.
Municipality grants
Sion, Sierre, Martigny, Monthey and many other municipalities offer their own grants: check with yours. To find out about grants in your municipality, search using your postcode on francsenergie.ch (energiefranken.ch in German).
Steps to follow in order
Obtain a CECB Plus (GEAK Plus in German-speaking Switzerland) if you are planning several projects: this will set out the order in which the work should be carried out.
Request quotes from local tradespeople.
Submit your application via the canton’s Buildings Programme platform and to your municipality before work begins.
Wait for confirmation before starting.
Carry out the work within the timeframe specified in the grant approval letter.
Send the supporting documents (invoices, photos, certificates) to receive the grant.
The 6 steps to obtaining a grant
Frequently Asked Questions
Will the amounts change in 2027?
The cantons generally publish their new fee scales at the end of the year. This page will be updated as soon as they are published.
Can I claim both cantonal and municipal assistance?
Often yes, but each grant scheme has its own conditions, and some municipalities deduct the cantonal grant. Check both before signing.
What about solar panels?
Photovoltaics are primarily supported by the Confederation, through Pronovo’s one-off feed-in tariff, which is claimed after the system is commissioned. Some cantons and municipalities offer an additional bonus.
What happens if I start the work too early?
Generally speaking, the help section is not very useful. Always wait for written confirmation before making a purchase or starting work.
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