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Prices 2026 · Canton of Valais

Price of a solar installationCanton of Valais

TL;DR

For 8 kWp in the canton of Valais : CHF 17 600–22 400 gross, CHF 14 400–19 520 indicative net cost after estimated Pronovo support. Estimated payback: 10–13 years. Grid purchase assumption: CHF 0.26/kWh.

Gross cost 8 kWp

CHF 17 600–22 400

Help Pronovo estimate.

CHF 2 880–3 200

Estimated net cost

CHF 14 400–19 520

Payback

10–13 years

Price list by installation size

The prices below are indicative scenarios for a turnkey installation in the canton of Valais, including panels, inverter, mounting, cabling, labour and connection to the DSO for your address. Excludes batteries.

ProfilewaistGross pricePronovo HelpNet costPayback
Small project3 kWpCHF 6 600–8 400−CHF 1 080–1 200CHF 5 400–7 32010–13 years
Medium (house 4P)6 kWpCHF 13 200–16 800−CHF 2 160–2 400CHF 10 800–14 64010–13 years
Standard (house 5-6P)8 kWpCHF 17 600–22 400−CHF 2 880–3 200CHF 14 400–19 52010–13 years
Large (large villa)12 kWpCHF 26 400–33 600−CHF 4 320–4 800CHF 21 600–29 28010–13 years
Very large / commercial20 kWpCHF 44 000–56 000−CHF 7 200–8 000CHF 36 000–48 80010–13 years

Estimates based on CHF 2 200–2 800/kWp installed. Pronovo and local aid must be confirmed with official sources at the time of quote. Always compare prices including tax and the exact scope of the work.

Budget breakdown

Photovoltaic panels

Price separately

Specify panel models, power and quantity.

Inverter / Microinverters

Price separately

String or microinverters (Huawei, Enphase).

Structure & cabling

Price separately

Roof fixings, cables, DC/AC protections.

Labor

Price separately

Installation, commissioning, final inspection.

Administrative procedures

Price separately

Pronovo, application to the DSO for your address and permissions where required.

Options/extras

Varies

Price the battery, backup and monitoring separately.

Prices by city — Canton of Valais

SionMontheyMartignySierreVispBagnesGrimisuatContheyCrans-MontanaFullySavièseCollombey-MurazAyentNendazVétrozSaint-MauriceSaxonRiddesLeytronChamoson

FAQ — Solar prices in the canton of Valais

How much does a solar installation cost in the canton of Valais ?+

For an illustrative 8 kWp installation in the canton of Valais, the gross budget is between CHF 17 600 and CHF 22 400. After Pronovo subsidies (CHF 2 880–3 200), the indicative net cost would be CHF 14 400–19 520.

What factors change installation costs in the canton of Valais ?+

The main factors: (1) System capacity (kWp) and cost per installed kWp. (2) Roof access, pitch and condition. (3) The exact module, inverter and mounting models. (4) Any storage and backup functions, priced separately. (5) Connection requirements and work specified by the DSO for your address.

What exactly does the cost of a solar installation include?+

Request an itemized quote for panels, inverter, mounting, cabling, protective devices, scaffolding, electrical work, connection, inspections, paperwork, monitoring and VAT. The contract must identify exclusions and options. Each cost share depends on the project; a fixed percentage does not replace a quote.

Is VAT reduced on solar installations?+

Don't assume it. The normal Swiss rate is 8.1% unless services are expressly subject to another rate. Check that each quote clearly indicates the rate applied, the base excluding tax and the price including tax.

Are the costs tax-deductible in the canton of Valais ?+

A deduction may be available depending on the canton, tax year, building type and your circumstances. Rules differ in particular between existing buildings and new construction. Have the tax office or your adviser confirm eligible spending and treatment of grants; no fixed tax saving is included here.

How can I obtain comparable quotes in the canton of Valais ?+

Ask for at least 3 detailed quotes from companies that you have verified yourself. Make sure that each quote specifies: the brand and model of the panels, the type and brand of the inverter, the exact scope of the work, after-sales service and the installation schedule.

Solar subsidies Valais 2026 Compare installers — Valais Profitability calculator Solar installation cost guide

Sources & method

These scenarios use the cost, output and tariff assumptions displayed on this page; they are not surveyed installer market prices. Recalculate Pronovo with the official calculator and check the tariff for your address. Obtain dated quotes to confirm roof, connection and works costs.

This content is for information only. For your project, verify prices, grants, timelines, permissions and expected returns with the relevant authorities, grid operator and installer, and check the applicable contracts.

Some pages also invite you to get in touch or highlight services, and may contain other commercial messages from the site operator.

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