555 solar installations with 14.5 MWp of capacity are installed in Wädenswil.
Go to the communityRoof potential
The suitable roofs of Wädenswil could deliver around 121 GWh of solar power a year. An estimated ~12% of it is used today.
Neighbours here already share solar power through a local electricity community and get the grid discount.

Richterswil, ZH

Horgen, ZH

Horgen, ZH
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 | 22 | 414 |
| 2012 | 6 | 90 |
| 2013 | 15 | 1’228 |
| 2014 | 9 | 267 |
| 2015 | 10 | 491 |
| 2016 | 14 | 455 |
| 2017 | 23 | 441 |
| 2018 | 21 | 338 |
| 2019 | 22 | 1’017 |
| 2020 | 23 | 391 |
| 2021 | 55 | 1’315 |
| 2022 | 57 | 1’263 |
| 2023 | 91 | 1’796 |
| 2024 | 100 | 2’832 |
| 2025 | 78 | 1’996 |
| 2026 | 9 | 214 |
14.1 MWp have been added since 2012.
| Month | GWh |
|---|---|
| Jan | 3.2 |
| Feb | 5.4 |
| Mar | 10.1 |
| Apr | 13.6 |
| May | 15.3 |
| Jun | 16.5 |
| Jul | 17.1 |
| Aug | 15.4 |
| Sept | 11.2 |
| Oct | 6.9 |
| Nov | 3.5 |
| Dec | 2.7 |