251 solar installations with 6.4 MWp of capacity are installed in Weggis.
Go to the communityRoof potential
The suitable roofs of Weggis could deliver around 36 GWh of solar power a year. An estimated ~18% of it is used today.
A local electricity community is collecting sign-ups here. The more neighbours join, the sooner it starts.
Greppen, LU
Vitznau, LU
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 | 6 | 28 |
| 2012 | 4 | 25 |
| 2013 | 1 | 36 |
| 2014 | 4 | 47 |
| 2015 | 9 | 297 |
| 2016 | 6 | 49 |
| 2017 | 7 | 133 |
| 2018 | 8 | 106 |
| 2019 | 7 | 330 |
| 2020 | 17 | 669 |
| 2021 | 13 | 175 |
| 2022 | 19 | 335 |
| 2023 | 51 | 844 |
| 2024 | 67 | 2’109 |
| 2025 | 28 | 981 |
| 2026 | 4 | 189 |
6.3 MWp have been added since 2012.
| Month | GWh |
|---|---|
| Jan | 1.1 |
| Feb | 1.6 |
| Mar | 3 |
| Apr | 4 |
| May | 4.5 |
| Jun | 4.9 |
| Jul | 5 |
| Aug | 4.6 |
| Sept | 3.3 |
| Oct | 2.1 |
| Nov | 1.1 |
| Dec | 0.8 |
