129 solar installations with 2.7 MWp of capacity are installed in Herdern.
Go to the communityRoof potential
The suitable roofs of Herdern could deliver around 19 GWh of solar power a year. An estimated ~14% of it is used today.
A local electricity community is collecting sign-ups here. The more neighbours join, the sooner it starts.
Mammern, TG
Pfyn, TG
Warth-Weiningen, TG
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 | 8 | 64 |
| 2012 | 2 | 106 |
| 2013 | 3 | 191 |
| 2014 | 4 | 62 |
| 2015 | 6 | 188 |
| 2016 | 9 | 129 |
| 2017 | 14 | 586 |
| 2018 | 8 | 127 |
| 2019 | 5 | 56 |
| 2020 | 5 | 76 |
| 2021 | 3 | 44 |
| 2022 | 18 | 279 |
| 2023 | 17 | 349 |
| 2024 | 11 | 178 |
| 2025 | 15 | 221 |
| 2026 | 1 | 15 |
2.6 MWp have been added since 2012.
| Month | GWh |
|---|---|
| Jan | 0.6 |
| Feb | 1 |
| Mar | 1.6 |
| Apr | 2.1 |
| May | 2.4 |
| Jun | 2.6 |
| Jul | 2.6 |
| Aug | 2.2 |
| Sept | 1.7 |
| Oct | 1.1 |
| Nov | 0.6 |
| Dec | 0.5 |
