How much solar power does Knonau already produce?

139 solar installations with 4.7 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~27% 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 Knonau?

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 Knonau

139 solar installations with 4.7 MWp of capacity are installed in Knonau.

Go to the community

Solar installations: 139
Installed capacity: 4.7 MWp
Roof potential in use: ~27%; Estimate
Rank in the canton of Zürich: 1 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 Knonau

The suitable roofs of Knonau could deliver around 17 GWh of solar power a year. An estimated ~27% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Knonau

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

Communities in Knonau

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

Communities nearby

Elektrizitätswerke des Kantons Zürich (EKZ) - Mettmenstetten
Forming
Mettmenstetten, ZH
Elektrizitätswerke des Kantons Zürich (EKZ) - Maschwanden
Forming
Maschwanden, ZH
Elektrizitätswerke des Kantons Zürich (EKZ) - Rifferswil
Forming
Rifferswil, ZH

Join the LEG in Knonau

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

Go to the community

Questions about solar power in Knonau

How much solar power does Knonau already produce?: 139 solar installations with 4.7 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~27% 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 Knonau?: 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	8	1’387
2012	2	26
2013	6	240
2014	4	18
2015	4	109
2016	20	566
2017	15	106
2018	3	66
2019	4	52
2020	7	179
2021	4	126
2022	12	472
2023	21	589
2024	14	359
2025	14	356
2026	1	7

Month	GWh
Jan	0.5
Feb	0.8
Mar	1.5
Apr	2
May	2.2
Jun	2.4
Jul	2.4
Aug	2.2
Sept	1.6
Oct	1
Nov	0.5
Dec	0.4

Solar power in Knonau

How much sun falls on the roofs of Knonau

A LEG is forming in Knonau

Communities in Knonau

Elektrizitätswerke des Kantons Zürich (EKZ) - Knonau

Communities nearby

Elektrizitätswerke des Kantons Zürich (EKZ) - Mettmenstetten

Elektrizitätswerke des Kantons Zürich (EKZ) - Maschwanden

Elektrizitätswerke des Kantons Zürich (EKZ) - Rifferswil

Join the LEG in Knonau

Questions about solar power in Knonau