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Swiss Made Software
All municipalities in the canton of St. Gallen
Solar power · Canton of St. GallenLEG forming

Solar power in Au (SG)

384 solar installations with 14.6 MWp of capacity are installed in Au (SG).

Go to the community
Solar installations
384
Installed capacity
14.6 MWp
Roof potential in use
~24%
Estimate
Rank in the canton of St. Gallen
8 of 75
by roof potential in use
Growth by build yearNew capacity installed per year in kWp
before 2012 · 176 kWp
2012 · 2’008 kWp
2013 · 273 kWp
2014 · 80 kWp

Roof potential

How much sun falls on the roofs of Au (SG)

The suitable roofs of Au (SG) could deliver around 60 GWh of solar power a year. An estimated ~24% of it is used today.

Roof potential per month (GWh)
Jan · 1.8 GWh
Feb · 2.9 GWh
Mar · 5 GWh

A LEG is forming in Au (SG)

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

Communities in Au (SG)

  • Au

    LEG Au

    Forming

    Au, SG

  • Au (SG)

    Politische Gemeinde Au SG, Elektrizitätswerk - Au (SG)

    Forming

    Au (SG), SG

Communities nearby

  • Berneck

    Elektra Berneck, Stromversorgung - Berneck

    Forming

    Berneck, SG

  • Widnau

    Politische Gemeinde Widnau, Elektra / Stromversorgung - Widnau

    Forming

    Widnau, SG

  • St. Margrethen

    Technische Betriebe, Politische Gemeinde St. Margrethen - St. Margrethen

    Forming

    St. Margrethen, SG

Join the LEG in Au (SG)

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

Go to the community

Questions about solar power in Au (SG)

How much solar power does Au (SG) already produce?
384 solar installations with 14.6 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~24% 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 Au (SG)?
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.

2015 · 619 kWp
2016 · 448 kWp
2017 · 275 kWp
2018 · 629 kWp
2019 · 460 kWp
2020 · 308 kWp
3’6582021 · 3’658 kWp
2022 · 1’172 kWp
2023 · 1’343 kWp
2024 · 2’481 kWp
2025 · 598 kWp
2026 · 54 kWp
<’12’12’13’14’15’16’17’18’19’20’21’22’23’24’25’26
New solar capacity per build year in Au (SG)
Build yearInstallationsCapacity (kWp)
before 201212176
2012112’008
201310273
2014480
201540619
201611448
201713275
201835629
20199460
202011308
2021183’658
2022301’172
2023651’343
2024922’481
202520598
2026354

14.4 MWp have been added since 2012.

Apr · 6.6 GWh
May · 7.7 GWh
Jun · 8.1 GWh
8Jul · 8.2 GWh
Aug · 7 GWh
Sept · 5.3 GWh
Oct · 3.6 GWh
Nov · 1.9 GWh
Dec · 1.4 GWh
JJanFFebMMarAAprMMayJJunJJulAAugSSeptOOctNNovDDec
Monthly roof potential in GWh
MonthGWh
Jan1.8
Feb2.9
Mar5
Apr6.6
May7.7
Jun8.1
Jul8.2
Aug7
Sept5.3
Oct3.6
Nov1.9
Dec1.4