How much solar power does Teufen (AR) already produce?

416 solar installations with 9.2 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~22% 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 Teufen (AR)?

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 Appenzell Ausserrhoden

Solar power · Canton of Appenzell AusserrhodenLEG forming

Solar power in Teufen (AR)

416 solar installations with 9.2 MWp of capacity are installed in Teufen (AR).

Go to the community

Solar installations: 416
Installed capacity: 9.2 MWp
Roof potential in use: ~22%; Estimate
Rank in the canton of Appenzell Ausserrhoden: 5 of 20; 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 Teufen (AR)

The suitable roofs of Teufen (AR) could deliver around 41 GWh of solar power a year. An estimated ~22% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Teufen (AR)

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

Communities in Teufen (AR)

LEG Teufen
Forming
Teufen, AR
St. Gallisch-Appenzellische Kraftwerke AG - Teufen (AR)
Forming
Teufen (AR), AR

Communities nearby

St. Gallisch-Appenzellische Kraftwerke AG - Bühler
Registered with the grid operator
Bühler, AR
LEG Stein
Forming
Stein, AR
St. Gallisch-Appenzellische Kraftwerke AG - Stein (AR)
Forming
Stein (AR), AR

Join the LEG in Teufen (AR)

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

Go to the community

Questions about solar power in Teufen (AR)

How much solar power does Teufen (AR) already produce?: 416 solar installations with 9.2 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~22% 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 Teufen (AR)?: 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	10	112
2012	15	134
2013	13	203
2014	7	142
2015	17	569
2016	11	117
2017	9	140
2018	11	253
2019	9	90
2020	15	693
2021	17	361
2022	45	974
2023	74	1’837
2024	83	1’886
2025	68	1’436
2026	12	223

Month	GWh
Jan	1.3
Feb	2.1
Mar	3.5
Apr	4.5
May	4.9
Jun	5.3
Jul	5.6
Aug	5.1
Sept	3.7
Oct	2.5
Nov	1.4
Dec	1.2

Solar power in Teufen (AR)

How much sun falls on the roofs of Teufen (AR)

A LEG is forming in Teufen (AR)

Communities in Teufen (AR)

LEG Teufen

St. Gallisch-Appenzellische Kraftwerke AG - Teufen (AR)

Communities nearby

St. Gallisch-Appenzellische Kraftwerke AG - Bühler

LEG Stein

St. Gallisch-Appenzellische Kraftwerke AG - Stein (AR)

Join the LEG in Teufen (AR)

Questions about solar power in Teufen (AR)