How much solar power does Wattenwil already produce?

164 solar installations with 3.2 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~13% of the municipality's roof potential.

Where do these numbers come from?

From federal open data: the register of electricity production plants and the solar potential of Swiss municipalities (Swiss Federal Office of Energy), plus swisstopo municipal boundaries. We only show totals per municipality, never individual installations.

Can I start a LEG in Wattenwil?

Yes. A local electricity community is possible in any municipality, as long as all participants are in the same grid area and close to each other. UpGrid handles registration, metering and billing.

All municipalities in the canton of Bern

Solar power · Canton of BernLEG forming

Solar power in Wattenwil

164 solar installations with 3.2 MWp of capacity are installed in Wattenwil.

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Solar installations: 164
Installed capacity: 3.2 MWp
Roof potential in use: ~13%; Estimate
Rank in the canton of Bern: 91 of 334; by roof potential in use

Growth by build yearNew capacity installed per year in kWp

Roof potential

How much sun falls on the roofs of Wattenwil

The suitable roofs of Wattenwil could deliver around 24 GWh of solar power a year. An estimated ~13% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Wattenwil

A local electricity community is collecting sign-ups here. The more neighbours join, the sooner it starts.

Communities in Wattenwil

BKW Energie AG - Wattenwil
Forming
Wattenwil, BE

Communities nearby

Energieversorgung Blumenstein AG (EVB) - Blumenstein
Forming
Blumenstein, BE
BKW Energie AG - Riggisberg
Forming
Riggisberg, BE
Energie Versorgung Riggisberg (EVR) AG - Riggisberg
Forming
Riggisberg, BE

Join the LEG in Wattenwil

Get solar power from your neighbourhood. Joining is free and you keep your electricity supplier.

Go to the community

Questions about solar power in Wattenwil

How much solar power does Wattenwil already produce?: 164 solar installations with 3.2 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~13% of the municipality's roof potential.
Where do these numbers come from?: From federal open data: the register of electricity production plants and the solar potential of Swiss municipalities (Swiss Federal Office of Energy), plus swisstopo municipal boundaries. We only show totals per municipality, never individual installations.
Can I start a LEG in Wattenwil?: Yes. A local electricity community is possible in any municipality, as long as all participants are in the same grid area and close to each other. UpGrid handles registration, metering and billing.

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	7	33
2012	6	238
2013	2	76
2014	5	50
2015	7	148
2016	4	56
2017	3	50
2018	6	48
2019	7	55
2020	8	118
2021	8	257
2022	13	258
2023	35	686
2024	39	706
2025	12	203
2026	2	229

Month	GWh
Jan	0.9
Feb	1.4
Mar	2.1
Apr	2.5
May	2.8
Jun	3
Jul	3.1
Aug	2.6
Sept	2.2
Oct	1.6
Nov	0.9
Dec	0.7

Solar power in Wattenwil

How much sun falls on the roofs of Wattenwil

A LEG is forming in Wattenwil

Communities in Wattenwil

BKW Energie AG - Wattenwil

Communities nearby

Energieversorgung Blumenstein AG (EVB) - Blumenstein

BKW Energie AG - Riggisberg

Energie Versorgung Riggisberg (EVR) AG - Riggisberg

Join the LEG in Wattenwil

Questions about solar power in Wattenwil