How much solar power does Heiden already produce?

310 solar installations with 6.2 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 Heiden?

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 Heiden

310 solar installations with 6.2 MWp of capacity are installed in Heiden.

Go to the community

Solar installations: 310
Installed capacity: 6.2 MWp
Roof potential in use: ~20%; Estimate
Rank in the canton of Appenzell Ausserrhoden: 11 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 Heiden

The suitable roofs of Heiden could deliver around 31 GWh of solar power a year. An estimated ~20% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Heiden

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

Communities in Heiden

Elektrizitätswerk Heiden AG - Heiden
Forming
Heiden, AR

Communities nearby

LEG Grub
Forming
Grub, AR
St. Gallisch-Appenzellische Kraftwerke AG - Grub (AR)
Forming
Grub (AR), AR
Elektra Korporation EKW - Wolfhalden
Forming
Wolfhalden, AR

Join the LEG in Heiden

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

Go to the community

Questions about solar power in Heiden

How much solar power does Heiden already produce?: 310 solar installations with 6.2 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 Heiden?: 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	9	152
2012	13	408
2013	4	57
2014	7	145
2015	11	135
2016	9	90
2017	7	147
2018	4	61
2019	13	508
2020	13	175
2021	19	290
2022	39	743
2023	52	799
2024	60	1’305
2025	45	1’181
2026	5	54

Month	GWh
Jan	1
Feb	1.7
Mar	2.7
Apr	3.4
May	3.9
Jun	4.1
Jul	4.2
Aug	3.5
Sept	2.7
Oct	1.8
Nov	1.1
Dec	0.8

Solar power in Heiden

How much sun falls on the roofs of Heiden

A LEG is forming in Heiden

Communities in Heiden

Elektrizitätswerk Heiden AG - Heiden

Communities nearby

LEG Grub

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

Elektra Korporation EKW - Wolfhalden

Join the LEG in Heiden

Questions about solar power in Heiden