218 solar installations with 3.2 MWp of capacity are installed in Saint-Prex.
Go to the communityRoof potential
The suitable roofs of Saint-Prex could deliver around 42 GWh of solar power a year. An estimated ~7.6% of it is used today.
A local electricity community is collecting sign-ups here. The more neighbours join, the sooner it starts.

Saint-Prex, VD
Tolochenaz, VD
Morges, VD
Buchillon, VD
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 | 3 |
| 2012 | 2 | 9 |
| 2013 | 3 | 36 |
| 2014 | 2 | 52 |
| 2015 | 11 | 170 |
| 2016 | 4 | 29 |
| 2017 | 19 | 545 |
| 2018 | 24 | 214 |
| 2019 | 8 | 72 |
| 2020 | 15 | 164 |
| 2021 | 12 | 83 |
| 2022 | 28 | 245 |
| 2023 | 37 | 384 |
| 2024 | 34 | 583 |
| 2025 | 18 | 652 |
| 2026 | 0 | 0 |
3.2 MWp have been added since 2012.
| Month | GWh |
|---|---|
| Jan | 1.1 |
| Feb | 1.9 |
| Mar | 3.5 |
| Apr | 4.7 |
| May | 5.4 |
| Jun | 5.9 |
| Jul | 6.2 |
| Aug | 5.4 |
| Sept | 4 |
| Oct | 2.4 |
| Nov | 1.2 |
| Dec | 0.9 |