147 solar installations with 2.3 MWp of capacity are installed in Cologny.
Go to the communityRoof potential
The suitable roofs of Cologny could deliver around 37 GWh of solar power a year. An estimated ~6.2% of it is used today.
A local electricity community is collecting sign-ups here. The more neighbours join, the sooner it starts.
Cologny, GE
Vandoeuvres, GE
Pregny-Chambésy, GE
Chêne-Bourg, GE
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 | 37 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 3 | 231 |
| 2016 | 3 | 22 |
| 2017 | 4 | 25 |
| 2018 | 6 | 127 |
| 2019 | 4 | 40 |
| 2020 | 5 | 94 |
| 2021 | 7 | 89 |
| 2022 | 21 | 280 |
| 2023 | 30 | 388 |
| 2024 | 41 | 447 |
| 2025 | 13 | 382 |
| 2026 | 3 | 124 |
2.3 MWp have been added since 2012.
| Month | GWh |
|---|---|
| Jan | 0.8 |
| Feb | 1.5 |
| Mar | 3 |
| Apr | 4 |
| May | 4.8 |
| Jun | 5.3 |
| Jul | 5.5 |
| Aug | 4.8 |
| Sept | 3.5 |
| Oct | 2 |
| Nov | 0.9 |
| Dec | 0.6 |
