How much solar power does Arch already produce?

103 solar installations with 2.6 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~16% 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 Arch?

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 Arch

103 solar installations with 2.6 MWp of capacity are installed in Arch.

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Solar installations: 103
Installed capacity: 2.6 MWp
Roof potential in use: ~16%; Estimate
Rank in the canton of Bern: 44 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 Arch

The suitable roofs of Arch could deliver around 16 GWh of solar power a year. An estimated ~16% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Arch

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

Communities in Arch

Regio Energie Solothurn - Arch
Forming
Arch, BE

Communities nearby

Regio Energie Solothurn - Rüti bei Büren
Forming
Rüti bei Büren, BE
Regio Energie Solothurn - Leuzigen
Forming
Leuzigen, BE
Gemeinde Oberwil bei Büren, Energieversorgung - Oberwil bei Büren
Forming
Oberwil bei Büren, BE

Join the LEG in Arch

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

Go to the community

Questions about solar power in Arch

How much solar power does Arch already produce?: 103 solar installations with 2.6 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~16% 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 Arch?: 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	3	15
2012	1	2
2013	2	64
2014	1	3
2015	3	29
2016	2	22
2017	5	67
2018	2	18
2019	4	48
2020	2	45
2021	2	24
2022	9	135
2023	29	943
2024	19	394
2025	14	683
2026	5	82

Month	GWh
Jan	0.5
Feb	0.8
Mar	1.3
Apr	1.8
May	2.1
Jun	2.2
Jul	2.3
Aug	1.9
Sept	1.5
Oct	0.9
Nov	0.5
Dec	0.4

Solar power in Arch

How much sun falls on the roofs of Arch

A LEG is forming in Arch

Communities in Arch

Regio Energie Solothurn - Arch

Communities nearby

Regio Energie Solothurn - Rüti bei Büren

Regio Energie Solothurn - Leuzigen

Gemeinde Oberwil bei Büren, Energieversorgung - Oberwil bei Büren

Join the LEG in Arch

Questions about solar power in Arch