How much solar power does Wittenbach already produce?

364 solar installations with 10.6 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~20% 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 Wittenbach?

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 Wittenbach

364 solar installations with 10.6 MWp of capacity are installed in Wittenbach.

Go to the community

Solar installations: 364
Installed capacity: 10.6 MWp
Roof potential in use: ~20%; Estimate
Rank in the canton of St. Gallen: 26 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 Wittenbach

The suitable roofs of Wittenbach could deliver around 54 GWh of solar power a year. An estimated ~20% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Wittenbach

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

Communities in Wittenbach

Politische Gemeinde Wittenbach, Elektrizitätsversorgung - Wittenbach
Forming
Wittenbach, SG
St.Galler Stadtwerke - Wittenbach
Forming
Wittenbach, SG

Communities nearby

Politische Gemeinde Mörschwil, Elektrizitätsversorgung - Mörschwil
Forming
Mörschwil, SG
Elektra Berg SG, Stromversorgung - Berg (SG)
Forming
Berg (SG), SG
LEG Berg
Forming
Berg, SG

Join the LEG in Wittenbach

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

Go to the community

Questions about solar power in Wittenbach

How much solar power does Wittenbach already produce?: 364 solar installations with 10.6 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~20% 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 Wittenbach?: 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	6	381
2012	13	319
2013	6	195
2014	27	898
2015	15	557
2016	10	356
2017	7	110
2018	9	102
2019	11	248
2020	19	350
2021	31	966
2022	29	458
2023	53	1’507
2024	77	2’999
2025	50	1’114
2026	1	14

Month	GWh
Jan	1.6
Feb	2.6
Mar	4.6
Apr	6
May	7
Jun	7.4
Jul	7.6
Aug	6.3
Sept	4.8
Oct	3.1
Nov	1.7
Dec	1.3

Solar power in Wittenbach

How much sun falls on the roofs of Wittenbach

A LEG is forming in Wittenbach

Communities in Wittenbach

Politische Gemeinde Wittenbach, Elektrizitätsversorgung - Wittenbach

St.Galler Stadtwerke - Wittenbach

Communities nearby

Politische Gemeinde Mörschwil, Elektrizitätsversorgung - Mörschwil

Elektra Berg SG, Stromversorgung - Berg (SG)

LEG Berg

Join the LEG in Wittenbach

Questions about solar power in Wittenbach