How much solar power does Walenstadt already produce?

349 solar installations with 8.5 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~18% 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 Walenstadt?

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 St. Gallen

Solar power · Canton of St. GallenLEG forming

Solar power in Walenstadt

349 solar installations with 8.5 MWp of capacity are installed in Walenstadt.

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Solar installations: 349
Installed capacity: 8.5 MWp
Roof potential in use: ~18%; Estimate
Rank in the canton of St. Gallen: 40 of 75; 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 Walenstadt

The suitable roofs of Walenstadt could deliver around 47 GWh of solar power a year. An estimated ~18% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Walenstadt

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

Communities in Walenstadt

Wasser- und Elektrizitätswerk Walenstadt - Walenstadt
Forming
Walenstadt, SG

Communities nearby

Technische Betriebe Grabs, Energie, Strom, Wasser - Grabs
Forming
Grabs, SG
Gemeinde Sevelen - Sevelen
Forming
Sevelen, SG
LEG Wartau
Forming
Wartau, SG

Join the LEG in Walenstadt

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

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Questions about solar power in Walenstadt

How much solar power does Walenstadt already produce?: 349 solar installations with 8.5 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~18% 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 Walenstadt?: 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	23	266
2012	10	280
2013	11	264
2014	13	307
2015	20	720
2016	21	483
2017	21	229
2018	10	109
2019	7	57
2020	20	466
2021	29	675
2022	38	1’155
2023	40	870
2024	52	1’580
2025	31	1’036
2026	3	41

Month	GWh
Jan	1.6
Feb	2.5
Mar	4.2
Apr	5.2
May	5.7
Jun	6.1
Jul	6.2
Aug	5.7
Sept	4.2
Oct	2.9
Nov	1.7
Dec	1.3

Solar power in Walenstadt

How much sun falls on the roofs of Walenstadt

A LEG is forming in Walenstadt

Communities in Walenstadt

Wasser- und Elektrizitätswerk Walenstadt - Walenstadt

Communities nearby

Technische Betriebe Grabs, Energie, Strom, Wasser - Grabs

Gemeinde Sevelen - Sevelen

LEG Wartau

Join the LEG in Walenstadt

Questions about solar power in Walenstadt