How much solar power does Lonay already produce?

191 solar installations with 2.7 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~8.2% 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 Lonay?

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 Lonay

191 solar installations with 2.7 MWp of capacity are installed in Lonay.

Go to the community

Solar installations: 191
Installed capacity: 2.7 MWp
Roof potential in use: ~8.2%; Estimate
Rank in the canton of Vaud: 222 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 Lonay

The suitable roofs of Lonay could deliver around 33 GWh of solar power a year. An estimated ~8.2% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Lonay

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

Communities in Lonay

Romande Energie SA - Lonay
Forming
Lonay, VD

Communities nearby

Romande Energie SA - Denges
Forming
Denges, VD
Romande Energie SA - Echandens
Forming
Echandens, VD
Romande Energie SA - Bremblens
Forming
Bremblens, VD

Join the LEG in Lonay

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

Go to the community

Questions about solar power in Lonay

How much solar power does Lonay already produce?: 191 solar installations with 2.7 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~8.2% 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 Lonay?: 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	4	24
2012	0	0
2013	4	33
2014	5	40
2015	10	62
2016	10	67
2017	9	72
2018	10	72
2019	13	101
2020	10	180
2021	10	271
2022	16	144
2023	39	345
2024	39	1’137
2025	10	95
2026	2	28

Month	GWh
Jan	0.9
Feb	1.5
Mar	2.7
Apr	3.6
May	4.2
Jun	4.6
Jul	4.7
Aug	4.1
Sept	3.1
Oct	1.9
Nov	0.9
Dec	0.7

Solar power in Lonay

How much sun falls on the roofs of Lonay

A LEG is forming in Lonay

Communities in Lonay

Romande Energie SA - Lonay

Communities nearby

Romande Energie SA - Denges

Romande Energie SA - Echandens

Romande Energie SA - Bremblens

Join the LEG in Lonay

Questions about solar power in Lonay