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Swiss Made Software
All municipalities in the canton of Ticino
Solar power · Canton of TicinoLEG forming

Solar power in Castel San Pietro

197 solar installations with 3.1 MWp of capacity are installed in Castel San Pietro.

Go to the community
Solar installations
197
Installed capacity
3.1 MWp
Roof potential in use
~11%
Estimate
Rank in the canton of Ticino
37 of 99
by roof potential in use
Growth by build yearNew capacity installed per year in kWp
before 2012 · 57 kWp
2012 · 73 kWp
2013 · 48 kWp
2014 · 97 kWp

Roof potential

How much sun falls on the roofs of Castel San Pietro

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

Roof potential per month (GWh)
Jan · 1 GWh
Feb · 1.3 GWh
Mar · 2.3 GWh

A LEG is forming in Castel San Pietro

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

Communities in Castel San Pietro

  • Castel San Pietro

    Aziende Industriali di Lugano (AIL) SA - Castel San Pietro

    Forming

    Castel San Pietro, TI

Communities nearby

  • Breggia

    Aziende Industriali di Lugano (AIL) SA - Breggia

    Forming

    Breggia, TI

  • Mendrisio

    Aziende Industriali Mendrisio, Sezione Elettricità - Mendrisio

    Forming

    Mendrisio, TI

  • Morbio Inferiore

    AGE SA - Morbio Inferiore

    Forming

    Morbio Inferiore, TI

Join the LEG in Castel San Pietro

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

Go to the community

Questions about solar power in Castel San Pietro

How much solar power does Castel San Pietro already produce?
197 solar installations with 3.1 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 Castel San Pietro?
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 · 112 kWp
2016 · 22 kWp
2017 · 95 kWp
2018 · 80 kWp
2019 · 28 kWp
2020 · 521 kWp
2021 · 268 kWp
2022 · 203 kWp
6102023 · 610 kWp
2024 · 403 kWp
2025 · 338 kWp
2026 · 159 kWp
<’12’12’13’14’15’16’17’18’19’20’21’22’23’24’25’26
New solar capacity per build year in Castel San Pietro
Build yearInstallationsCapacity (kWp)
before 2012257
20121373
2013448
2014497
201511112
2016322
2017695
2018780
2019428
20205521
202123268
202218203
202339610
202428403
202522338
20268159

3.1 MWp have been added since 2012.

Apr · 2.9 GWh
May · 3.7 GWh
Jun · 4.1 GWh
4Jul · 4.3 GWh
Aug · 3.6 GWh
Sept · 2.6 GWh
Oct · 1.6 GWh
Nov · 0.9 GWh
Dec · 0.8 GWh
JJanFFebMMarAAprMMayJJunJJulAAugSSeptOOctNNovDDec
Monthly roof potential in GWh
MonthGWh
Jan1
Feb1.3
Mar2.3
Apr2.9
May3.7
Jun4.1
Jul4.3
Aug3.6
Sept2.6
Oct1.6
Nov0.9
Dec0.8