How much solar power does Winterthur already produce?

2’566 solar installations with 74.4 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~16% 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 Winterthur?

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 Winterthur

2’566 solar installations with 74.4 MWp of capacity are installed in Winterthur.

Go to the community

Solar installations: 2’566
Installed capacity: 74.4 MWp
Roof potential in use: ~16%; Estimate
Rank in the canton of Zürich: 35 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 Winterthur

The suitable roofs of Winterthur could deliver around 466 GWh of solar power a year. An estimated ~16% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Winterthur

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

Communities in Winterthur

Stadtwerk Winterthur - Winterthur
Registered with the grid operator
Winterthur, ZH
Stadtwerk Winterthur - Winterthur Cluster 2
Forming
Winterthur, ZH
Stadtwerk Winterthur - Winterthur Cluster 3
Forming
Winterthur, ZH

Communities nearby

Elektrizitätswerke des Kantons Zürich (EKZ) - Seuzach
Forming
Seuzach, ZH
Elektrizitätswerke des Kantons Zürich (EKZ) - Brütten
Forming
Brütten, ZH

Join the LEG in Winterthur

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

Go to the community

Questions about solar power in Winterthur

How much solar power does Winterthur already produce?: 2’566 solar installations with 74.4 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~16% 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 Winterthur?: 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	74	1’566
2012	46	2’723
2013	31	1’390
2014	31	1’581
2015	58	1’626
2016	72	1’739
2017	75	2’630
2018	81	1’646
2019	78	2’066
2020	142	5’024
2021	187	5’906
2022	240	5’692
2023	479	13’974
2024	482	14’004
2025	385	10’081
2026	105	2’738

Month	GWh
Jan	13
Feb	21.4
Mar	38.7
Apr	51.4
May	61.2
Jun	65.1
Jul	66.7
Aug	56.1
Sept	41.6
Oct	26.4
Nov	13.9
Dec	10.5

Solar power in Winterthur

How much sun falls on the roofs of Winterthur

A LEG is forming in Winterthur

Communities in Winterthur

Stadtwerk Winterthur - Winterthur

Stadtwerk Winterthur - Winterthur Cluster 2

Stadtwerk Winterthur - Winterthur Cluster 3

Communities nearby

Elektrizitätswerke des Kantons Zürich (EKZ) - Seuzach

Elektrizitätswerke des Kantons Zürich (EKZ) - Brütten

Join the LEG in Winterthur

Questions about solar power in Winterthur

Elektrizitätswerke des Kantons Zürich (EKZ) - Hettlingen