How much solar power does Gempen already produce?

58 solar installations with 1.1 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~12% 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 Gempen?

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 Solothurn

Solar power · Canton of SolothurnLEG forming

Solar power in Gempen

58 solar installations with 1.1 MWp of capacity are installed in Gempen.

Go to the community

Solar installations: 58
Installed capacity: 1.1 MWp
Roof potential in use: ~12%; Estimate
Rank in the canton of Solothurn: 61 of 104; 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 Gempen

The suitable roofs of Gempen could deliver around 9 GWh of solar power a year. An estimated ~12% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Gempen

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

Communities in Gempen

Primeo Netz AG - Gempen
Forming
Gempen, SO

Communities nearby

Primeo Netz AG - Dornach
Forming
Dornach, SO
Primeo Netz AG - Nuglar-St. Pantaleon
Forming
Nuglar-St. Pantaleon, SO
Primeo Netz AG - Hochwald
Forming
Hochwald, SO

Join the LEG in Gempen

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

Go to the community

Questions about solar power in Gempen

How much solar power does Gempen already produce?: 58 solar installations with 1.1 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~12% 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 Gempen?: 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	2	18
2012	7	283
2013	2	18
2014	0	0
2015	1	10
2016	1	26
2017	3	22
2018	2	12
2019	2	14
2020	6	77
2021	4	63
2022	4	46
2023	6	104
2024	9	151
2025	9	253
2026	0	0

Month	GWh
Jan	0.3
Feb	0.4
Mar	0.8
Apr	1
May	1.1
Jun	1.2
Jul	1.2
Aug	1
Sept	0.8
Oct	0.6
Nov	0.3
Dec	0.2

Solar power in Gempen

How much sun falls on the roofs of Gempen

A LEG is forming in Gempen

Communities in Gempen

Primeo Netz AG - Gempen

Communities nearby

Primeo Netz AG - Dornach

Primeo Netz AG - Nuglar-St. Pantaleon

Primeo Netz AG - Hochwald

Join the LEG in Gempen

Questions about solar power in Gempen