How much solar power does Sumiswald already produce?

278 solar installations with 10.2 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~14% 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 Sumiswald?

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 Sumiswald

278 solar installations with 10.2 MWp of capacity are installed in Sumiswald.

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Solar installations: 278
Installed capacity: 10.2 MWp
Roof potential in use: ~14%; Estimate
Rank in the canton of Bern: 82 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 Sumiswald

The suitable roofs of Sumiswald could deliver around 74 GWh of solar power a year. An estimated ~14% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Sumiswald

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

Communities in Sumiswald

Energie AG Sumiswald - Sumiswald
In Gründung
Sumiswald, BE

Communities nearby

BKW Energie AG - Trachselwald
In Gründung
Trachselwald, BE
BKW Energie AG - Wyssachen
In Gründung
Wyssachen, BE
Gemeinde Eriswil, Elektrizitätsversorgung - Eriswil
In Gründung
Eriswil, BE

Join the LEG in Sumiswald

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

Go to the community

Questions about solar power in Sumiswald

How much solar power does Sumiswald already produce?: 278 solar installations with 10.2 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~14% 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 Sumiswald?: 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	10	386
2012	7	213
2013	7	184
2014	5	76
2015	19	820
2016	10	159
2017	9	108
2018	6	156
2019	11	241
2020	10	243
2021	10	225
2022	33	1’076
2023	54	1’259
2024	54	3’735
2025	27	1’072
2026	6	207

Month	GWh
Jan	2.7
Feb	4
Mar	6.4
Apr	7.7
May	8.9
Jun	9.8
Jul	10.1
Aug	8.6
Sept	6.7
Oct	4.6
Nov	2.6
Dec	2

Solar power in Sumiswald

How much sun falls on the roofs of Sumiswald

A LEG is forming in Sumiswald

Communities in Sumiswald

Energie AG Sumiswald - Sumiswald

Communities nearby

BKW Energie AG - Trachselwald

BKW Energie AG - Wyssachen

Gemeinde Eriswil, Elektrizitätsversorgung - Eriswil

Join the LEG in Sumiswald

Questions about solar power in Sumiswald