How much solar power does Lancy already produce?

334 solar installations with 10.7 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~10% 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 Lancy?

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 Genève

Solar power · Canton of GenèveLEG forming

Solar power in Lancy

334 solar installations with 10.7 MWp of capacity are installed in Lancy.

Go to the community

Solar installations: 334
Installed capacity: 10.7 MWp
Roof potential in use: ~10%; Estimate
Rank in the canton of Genève: 12 of 45; 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 Lancy

The suitable roofs of Lancy could deliver around 106 GWh of solar power a year. An estimated ~10% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Lancy

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

Communities in Lancy

Services industriels de Genève - Lancy
Forming
Lancy, GE

Communities nearby

Services industriels de Genève - Onex
Forming
Onex, GE
LEG Carouge
Forming
Carouge, GE
Services industriels de Genève - Carouge (GE)
Forming
Carouge (GE), GE

Join the LEG in Lancy

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

Go to the community

Questions about solar power in Lancy

How much solar power does Lancy already produce?: 334 solar installations with 10.7 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~10% 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 Lancy?: 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	9	129
2012	4	458
2013	5	27
2014	4	1’321
2015	3	46
2016	11	67
2017	19	592
2018	17	236
2019	15	1’075
2020	23	1’066
2021	23	302
2022	35	1’459
2023	61	1’063
2024	61	1’041
2025	39	1’422
2026	5	372

Month	GWh
Jan	2.4
Feb	4.2
Mar	8.5
Apr	11.6
May	13.8
Jun	15.3
Jul	15.8
Aug	13.8
Sept	10
Oct	5.7
Nov	2.7
Dec	2

Solar power in Lancy

How much sun falls on the roofs of Lancy

A LEG is forming in Lancy

Communities in Lancy

Services industriels de Genève - Lancy

Communities nearby

Services industriels de Genève - Onex

LEG Carouge

Services industriels de Genève - Carouge (GE)

Join the LEG in Lancy

Questions about solar power in Lancy