245 solar installations with 3.7 MWp of capacity are installed in Port-Valais.
Go to the communityRoof potential
The suitable roofs of Port-Valais could deliver around 31 GWh of solar power a year. An estimated ~12% of it is used today.
A local electricity community is collecting sign-ups here. The more neighbours join, the sooner it starts.
Port-Valais, VS
Saint-Gingolph, VS

Vouvry, VS
Vionnaz, VS
Get solar power from your neighbourhood. Joining is free and you keep your electricity supplier.
Sources: Swiss Federal Office of Energy (SFOE), swisstopo, opendata.swiss. As of October 2026. Totals per municipality only, no individual installations.
| Build year | Installations | Capacity (kWp) |
|---|---|---|
| before 2012 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 3 | 30 |
| 2014 | 5 | 23 |
| 2015 | 3 | 12 |
| 2016 | 4 | 28 |
| 2017 | 8 | 62 |
| 2018 | 16 | 1’089 |
| 2019 | 13 | 166 |
| 2020 | 13 | 97 |
| 2021 | 12 | 128 |
| 2022 | 46 | 421 |
| 2023 | 64 | 932 |
| 2024 | 33 | 438 |
| 2025 | 19 | 208 |
| 2026 | 5 | 46 |
3.7 MWp have been added since 2012.
| Month | GWh |
|---|---|
| Jan | 0.7 |
| Feb | 1.3 |
| Mar | 2.5 |
| Apr | 3.5 |
| May | 4 |
| Jun | 4.4 |
| Jul | 4.6 |
| Aug | 4 |
| Sept | 3 |
| Oct | 1.7 |
| Nov | 0.9 |
| Dec | 0.6 |