How much solar power does La Chaux (Cossonay) already produce?

34 solar installations with 929 kWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~17% 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 La Chaux (Cossonay)?

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 La Chaux (Cossonay)

34 solar installations with 929 kWp of capacity are installed in La Chaux (Cossonay).

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Solar installations: 34
Installed capacity: 929 kWp
Roof potential in use: ~17%; Estimate
Rank in the canton of Vaud: 53 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 La Chaux (Cossonay)

The suitable roofs of La Chaux (Cossonay) could deliver around 6 GWh of solar power a year. An estimated ~17% of it is used today.

Roof potential per month (GWh)

A LEG is forming in La Chaux (Cossonay)

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

Communities in La Chaux (Cossonay)

Romande Energie SA - La Chaux (Cossonay)
Forming
La Chaux (Cossonay), VD

Communities nearby

Romande Energie SA - Chevilly
Forming
Chevilly, VD
Romande Energie SA - Chavannes-le-Veyron
Forming
Chavannes-le-Veyron, VD
Romande Energie SA - Dizy
Forming
Dizy, VD

Join the LEG in La Chaux (Cossonay)

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

Go to the community

Questions about solar power in La Chaux (Cossonay)

How much solar power does La Chaux (Cossonay) already produce?: 34 solar installations with 929 kWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~17% 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 La Chaux (Cossonay)?: 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	1	5
2012	0	0
2013	0	0
2014	0	0
2015	2	37
2016	3	28
2017	1	8
2018	2	13
2019	2	11
2020	0	0
2021	2	16
2022	6	607
2023	7	85
2024	5	41
2025	3	79
2026	0	0

Month	GWh
Jan	0.2
Feb	0.3
Mar	0.5
Apr	0.6
May	0.7
Jun	0.8
Jul	0.8
Aug	0.7
Sept	0.5
Oct	0.3
Nov	0.2
Dec	0.1

Solar power in La Chaux (Cossonay)

How much sun falls on the roofs of La Chaux (Cossonay)

A LEG is forming in La Chaux (Cossonay)

Communities in La Chaux (Cossonay)

Romande Energie SA - La Chaux (Cossonay)

Communities nearby

Romande Energie SA - Chevilly

Romande Energie SA - Chavannes-le-Veyron

Romande Energie SA - Dizy

Join the LEG in La Chaux (Cossonay)

Questions about solar power in La Chaux (Cossonay)