364 solar installations with 10.9 MWp of capacity are installed in Appenzell.
Go to the communityRoof potential
The suitable roofs of Appenzell could deliver around 51 GWh of solar power a year. An estimated ~21% of it is used today.
A local electricity community is collecting sign-ups here. The more neighbours join, the sooner it starts.

Appenzell, AI
Schlatt-Haslen, AI
Schlatt-Haslen, AI

Gonten, AI
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 | 15 | 191 |
| 2012 | 13 | 768 |
| 2013 | 14 | 360 |
| 2014 | 18 | 237 |
| 2015 | 11 | 152 |
| 2016 | 12 | 322 |
| 2017 | 11 | 156 |
| 2018 | 12 | 228 |
| 2019 | 16 | 326 |
| 2020 | 28 | 883 |
| 2021 | 23 | 932 |
| 2022 | 37 | 2’008 |
| 2023 | 55 | 1’224 |
| 2024 | 49 | 1’932 |
| 2025 | 44 | 1’077 |
| 2026 | 6 | 89 |
10.7 MWp have been added since 2012.
| Month | GWh |
|---|---|
| Jan | 1.7 |
| Feb | 2.7 |
| Mar | 4.5 |
| Apr | 5.5 |
| May | 6.2 |
| Jun | 6.6 |
| Jul | 6.9 |
| Aug | 6.3 |
| Sept | 4.6 |
| Oct | 3.1 |
| Nov | 1.9 |
| Dec | 1.5 |