How much solar power does Therwil already produce?

397 solar installations with 7 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~14% 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 Therwil?

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 Basel-Landschaft

Solar power · Canton of Basel-LandschaftLEG forming

Solar power in Therwil

397 solar installations with 7 MWp of capacity are installed in Therwil.

Go to the community

Solar installations: 397
Installed capacity: 7 MWp
Roof potential in use: ~14%; Estimate
Rank in the canton of Basel-Landschaft: 41 of 86; 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 Therwil

The suitable roofs of Therwil could deliver around 50 GWh of solar power a year. An estimated ~14% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Therwil

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

Communities in Therwil

Primeo Netz AG - Therwil
Forming
Therwil, BL

Communities nearby

Primeo Netz AG - Ettingen
Forming
Ettingen, BL
LEG Oberwil
Forming
Oberwil, BL
Primeo Netz AG - Oberwil (BL)
Active
Oberwil (BL), BL
2 sites

Join the LEG in Therwil

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

Go to the community

Questions about solar power in Therwil

How much solar power does Therwil already produce?: 397 solar installations with 7 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~14% 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 Therwil?: 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	13	245
2012	25	656
2013	17	287
2014	14	196
2015	15	180
2016	2	37
2017	6	66
2018	4	40
2019	7	76
2020	17	199
2021	20	217
2022	28	840
2023	78	1’511
2024	84	1’296
2025	57	1’012
2026	10	176

Month	GWh
Jan	1.5
Feb	2.3
Mar	4.2
Apr	5.4
May	6.4
Jun	7
Jul	7.1
Aug	5.9
Sept	4.6
Oct	3.1
Nov	1.6
Dec	1.3

Solar power in Therwil

How much sun falls on the roofs of Therwil

A LEG is forming in Therwil

Communities in Therwil

Primeo Netz AG - Therwil

Communities nearby

Primeo Netz AG - Ettingen

LEG Oberwil

Primeo Netz AG - Oberwil (BL)

Join the LEG in Therwil

Questions about solar power in Therwil