How much solar power does Kölliken already produce?

211 solar installations with 5.7 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 Kölliken?

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 Aargau

Solar power · Canton of AargauLEG forming

Solar power in Kölliken

211 solar installations with 5.7 MWp of capacity are installed in Kölliken.

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Solar installations: 211
Installed capacity: 5.7 MWp
Roof potential in use: ~14%; Estimate
Rank in the canton of Aargau: 85 of 196; 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 Kölliken

The suitable roofs of Kölliken could deliver around 42 GWh of solar power a year. An estimated ~14% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Kölliken

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

Communities in Kölliken

EWK Energie AG - Kölliken
Approved by the grid operator
Kölliken, AG

Communities nearby

Eniwa AG - Holziken
Forming
Holziken, AG
AEW Energie AG - Safenwil
Forming
Safenwil, AG
AEW Energie AG - Uerkheim
Forming
Uerkheim, AG

Join the LEG in Kölliken

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

Go to the community

Questions about solar power in Kölliken

How much solar power does Kölliken already produce?: 211 solar installations with 5.7 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 Kölliken?: 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	12	281
2012	3	567
2013	4	90
2014	4	48
2015	7	68
2016	7	68
2017	8	160
2018	5	55
2019	6	74
2020	9	184
2021	10	1’285
2022	12	171
2023	25	672
2024	59	1’378
2025	36	557
2026	4	57

Month	GWh
Jan	1
Feb	1.7
Mar	3.4
Apr	4.6
May	5.4
Jun	5.8
Jul	6.1
Aug	5.3
Sept	3.9
Oct	2.3
Nov	1.1
Dec	0.8

Solar power in Kölliken

How much sun falls on the roofs of Kölliken

A LEG is forming in Kölliken

Communities in Kölliken

EWK Energie AG - Kölliken

Communities nearby

Eniwa AG - Holziken

AEW Energie AG - Safenwil

AEW Energie AG - Uerkheim

Join the LEG in Kölliken

Questions about solar power in Kölliken