How much solar power does Val-d'Illiez already produce?

155 solar installations with 1.5 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~5.2% 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 Val-d'Illiez?

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 Valais

Solar power · Canton of ValaisLEG forming

Solar power in Val-d'Illiez

155 solar installations with 1.5 MWp of capacity are installed in Val-d'Illiez.

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Solar installations: 155
Installed capacity: 1.5 MWp
Roof potential in use: ~5.2%; Estimate
Rank in the canton of Valais: 84 of 122; 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 Val-d'Illiez

The suitable roofs of Val-d'Illiez could deliver around 28 GWh of solar power a year. An estimated ~5.2% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Val-d'Illiez

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

Communities in Val-d'Illiez

Romande Energie SA - Val-d'Illiez
Forming
Val-d'Illiez, VS

Communities nearby

Romande Energie SA - Champéry
Forming
Champéry, VS
Romande Energie SA - Troistorrents
Forming
Troistorrents, VS
Genedis SA - Evionnaz
Forming
Evionnaz, VS

Join the LEG in Val-d'Illiez

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

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Questions about solar power in Val-d'Illiez

How much solar power does Val-d'Illiez already produce?: 155 solar installations with 1.5 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~5.2% 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 Val-d'Illiez?: 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	8
2012	0	0
2013	3	23
2014	1	19
2015	4	31
2016	4	66
2017	20	170
2018	10	76
2019	9	47
2020	7	65
2021	12	98
2022	14	108
2023	34	360
2024	25	265
2025	11	116
2026	0	0

Month	GWh
Jan	1.1
Feb	1.6
Mar	2.6
Apr	3
May	3.2
Jun	3.5
Jul	3.5
Aug	3.1
Sept	2.5
Oct	1.8
Nov	1
Dec	0.8

Solar power in Val-d&#39;Illiez

How much sun falls on the roofs of Val-d&#39;Illiez

A LEG is forming in Val-d&#39;Illiez

Communities in Val-d&#39;Illiez

Romande Energie SA - Val-d'Illiez

Communities nearby

Romande Energie SA - Champéry

Romande Energie SA - Troistorrents

Genedis SA - Evionnaz

Join the LEG in Val-d&#39;Illiez