How much solar power does Thalwil already produce?

317 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 Thalwil?

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 Zürich

Solar power · Canton of ZürichLEG forming

Solar power in Thalwil

317 solar installations with 7 MWp of capacity are installed in Thalwil.

Go to the community

Solar installations: 317
Installed capacity: 7 MWp
Roof potential in use: ~14%; Estimate
Rank in the canton of Zürich: 66 of 160; 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 Thalwil

The suitable roofs of Thalwil could deliver around 51 GWh of solar power a year. An estimated ~14% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Thalwil

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

Communities in Thalwil

Elektrizitätswerke des Kantons Zürich (EKZ) - Thalwil
Forming
Thalwil, ZH

Communities nearby

Elektrizitätswerke des Kantons Zürich (EKZ) - Oberrieden
Forming
Oberrieden, ZH
Elektrizitätswerke des Kantons Zürich (EKZ) - Rüschlikon
Registered with the grid operator
Rüschlikon, ZH
Elektrizitätswerke des Kantons Zürich (EKZ) - Langnau am Albis
Forming
Langnau am Albis, ZH

Join the LEG in Thalwil

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

Go to the community

Questions about solar power in Thalwil

How much solar power does Thalwil already produce?: 317 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 Thalwil?: 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	3	15
2012	2	19
2013	6	161
2014	13	164
2015	18	273
2016	7	260
2017	9	169
2018	16	267
2019	16	207
2020	35	628
2021	29	584
2022	24	503
2023	45	956
2024	51	1’945
2025	35	761
2026	8	122

Month	GWh
Jan	1.2
Feb	2.1
Mar	4.3
Apr	5.8
May	6.6
Jun	7.2
Jul	7.4
Aug	6.6
Sept	4.8
Oct	2.8
Nov	1.4
Dec	1

Solar power in Thalwil

How much sun falls on the roofs of Thalwil

A LEG is forming in Thalwil

Communities in Thalwil

Elektrizitätswerke des Kantons Zürich (EKZ) - Thalwil

Communities nearby

Elektrizitätswerke des Kantons Zürich (EKZ) - Oberrieden

Elektrizitätswerke des Kantons Zürich (EKZ) - Rüschlikon

Elektrizitätswerke des Kantons Zürich (EKZ) - Langnau am Albis

Join the LEG in Thalwil

Questions about solar power in Thalwil