How much solar power does Lausanne already produce?

1’227 solar installations with 32.4 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~7.5% 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 Lausanne?

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 Vaud

Solar power · Canton of VaudLEG forming

Solar power in Lausanne

1’227 solar installations with 32.4 MWp of capacity are installed in Lausanne.

Go to the community

Solar installations: 1’227
Installed capacity: 32.4 MWp
Roof potential in use: ~7.5%; Estimate
Rank in the canton of Vaud: 238 of 300; 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 Lausanne

The suitable roofs of Lausanne could deliver around 434 GWh of solar power a year. An estimated ~7.5% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Lausanne

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

Communities in Lausanne

LEG Lausanne
Forming
Lausanne, VD

Communities nearby

LEG Prilly
Forming
Prilly, VD
LEG Le Mont-sur-Lausanne
Forming
Le Mont-sur-Lausanne, VD
LEG Epalinges
Forming
Epalinges, VD

Join the LEG in Lausanne

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

Go to the community

Questions about solar power in Lausanne

How much solar power does Lausanne already produce?: 1’227 solar installations with 32.4 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~7.5% 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 Lausanne?: 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	36	671
2012	10	381
2013	16	1’059
2014	17	846
2015	37	2’242
2016	91	1’326
2017	62	637
2018	89	1’178
2019	67	1’622
2020	64	1’948
2021	86	2’290
2022	117	3’682
2023	192	4’234
2024	203	5’932
2025	119	3’957
2026	21	361

Month	GWh
Jan	11.8
Feb	19.6
Mar	35.2
Apr	46.9
May	55
Jun	60.5
Jul	62.9
Aug	54.8
Sept	40.2
Oct	24.8
Nov	13
Dec	9.7

Solar power in Lausanne

How much sun falls on the roofs of Lausanne

A LEG is forming in Lausanne

Communities in Lausanne

LEG Lausanne

Communities nearby

LEG Prilly

LEG Le Mont-sur-Lausanne

LEG Epalinges

Join the LEG in Lausanne

Questions about solar power in Lausanne