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Swiss Made Software
All municipalities in the canton of Solothurn
Solar power · Canton of SolothurnLEG forming

Solar power in Gretzenbach

98 solar installations with 3.2 MWp of capacity are installed in Gretzenbach.

Go to the community
Solar installations
98
Installed capacity
3.2 MWp
Roof potential in use
~11%
Estimate
Rank in the canton of Solothurn
74 of 104
by roof potential in use
Growth by build yearNew capacity installed per year in kWp
before 2012 · 32 kWp
2012 · 150 kWp
2013 · 10 kWp
2014 · 0 kWp

Roof potential

How much sun falls on the roofs of Gretzenbach

The suitable roofs of Gretzenbach could deliver around 29 GWh of solar power a year. An estimated ~11% of it is used today.

Roof potential per month (GWh)
Jan · 0.7 GWh
Feb · 1.2 GWh
Mar · 2.4 GWh

A LEG is forming in Gretzenbach

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

Communities in Gretzenbach

  • Gretzenbach

    Elektra Gretzenbach AG - Gretzenbach

    Approved by the grid operator

    Gretzenbach, SO

Communities nearby

  • Däniken

    Aare Versorgungs AG (AVAG) - Däniken

    Forming

    Däniken, SO

  • Schönenwerd

    Aare Versorgungs AG (AVAG) - Schönenwerd

    Forming

    Schönenwerd, SO

  • Niedergösgen

    Aare Versorgungs AG (AVAG) - Niedergösgen

    Registered with the grid operator

    Niedergösgen, SO

Join the LEG in Gretzenbach

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

Go to the community

Questions about solar power in Gretzenbach

How much solar power does Gretzenbach already produce?
98 solar installations with 3.2 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~11% 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 Gretzenbach?
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 · 64 kWp
2016 · 34 kWp
2017 · 37 kWp
2018 · 56 kWp
2019 · 22 kWp
2020 · 55 kWp
2021 · 331 kWp
2022 · 129 kWp
1’5492023 · 1’549 kWp
2024 · 344 kWp
2025 · 425 kWp
2026 · 13 kWp
<’12’12’13’14’15’16’17’18’19’20’21’22’23’24’25’26
New solar capacity per build year in Gretzenbach
Build yearInstallationsCapacity (kWp)
before 2012332
20122150
2013110
201400
2015464
2016234
2017237
2018556
2019322
2020355
20218331
20229129
2023231’549
202420344
202512425
2026113

3.2 MWp have been added since 2012.

Apr · 3.3 GWh
May · 3.8 GWh
Jun · 4.1 GWh
4Jul · 4.3 GWh
Aug · 3.7 GWh
Sept · 2.7 GWh
Oct · 1.6 GWh
Nov · 0.8 GWh
Dec · 0.6 GWh
JJanFFebMMarAAprMMayJJunJJulAAugSSeptOOctNNovDDec
Monthly roof potential in GWh
MonthGWh
Jan0.7
Feb1.2
Mar2.4
Apr3.3
May3.8
Jun4.1
Jul4.3
Aug3.7
Sept2.7
Oct1.6
Nov0.8
Dec0.6