How much solar power does Sarnen already produce?

388 solar installations with 13.7 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 Sarnen?

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 Obwalden

Solar power · Canton of ObwaldenLEG forming

Solar power in Sarnen

388 solar installations with 13.7 MWp of capacity are installed in Sarnen.

Go to the community

Solar installations: 388
Installed capacity: 13.7 MWp
Roof potential in use: ~14%; Estimate
Rank in the canton of Obwalden: 3 of 7; 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 Sarnen

The suitable roofs of Sarnen could deliver around 95 GWh of solar power a year. An estimated ~14% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Sarnen

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

Communities in Sarnen

Elektrizitätswerk Obwalden - Sarnen
Forming
Sarnen, OW

Communities nearby

Elektrizitätswerk Obwalden - Alpnach
Forming
Alpnach, OW
Elektrizitätswerk Obwalden - Sachseln
Forming
Sachseln, OW
Elektrizitätswerk Obwalden - Giswil
Forming
Giswil, OW

Join the LEG in Sarnen

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

Go to the community

Questions about solar power in Sarnen

How much solar power does Sarnen already produce?: 388 solar installations with 13.7 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 Sarnen?: 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	9	490
2012	7	548
2013	7	739
2014	5	293
2015	11	336
2016	19	489
2017	18	852
2018	21	726
2019	34	702
2020	26	1’219
2021	42	1’175
2022	33	612
2023	65	2’239
2024	51	2’160
2025	35	989
2026	5	128

Month	GWh
Jan	2.8
Feb	4.5
Mar	7.8
Apr	10.5
May	11.8
Jun	12.7
Jul	13
Aug	11.9
Sept	8.6
Oct	5.6
Nov	3.3
Dec	2.5

Solar power in Sarnen

How much sun falls on the roofs of Sarnen

A LEG is forming in Sarnen

Communities in Sarnen

Elektrizitätswerk Obwalden - Sarnen

Communities nearby

Elektrizitätswerk Obwalden - Alpnach

Elektrizitätswerk Obwalden - Sachseln

Elektrizitätswerk Obwalden - Giswil

Join the LEG in Sarnen

Questions about solar power in Sarnen