How much solar power does Zullwil already produce?

31 solar installations with 461 kWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~8% 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 Zullwil?

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 Solothurn

Solar power · Canton of SolothurnLEG forming

Solar power in Zullwil

31 solar installations with 461 kWp of capacity are installed in Zullwil.

Go to the community

Solar installations: 31
Installed capacity: 461 kWp
Roof potential in use: ~8%; Estimate
Rank in the canton of Solothurn: 97 of 104; 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 Zullwil

The suitable roofs of Zullwil could deliver around 6 GWh of solar power a year. An estimated ~8% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Zullwil

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

Communities in Zullwil

Primeo Netz AG - Zullwil
Forming
Zullwil, SO

Communities nearby

Primeo Netz AG - Nunningen
Forming
Nunningen, SO
Primeo Netz AG - Meltingen
Forming
Meltingen, SO
Primeo Netz AG - Fehren
Forming
Fehren, SO

Join the LEG in Zullwil

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

Go to the community

Questions about solar power in Zullwil

How much solar power does Zullwil already produce?: 31 solar installations with 461 kWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~8% 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 Zullwil?: 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)
2012	1	8
2013	0	0
2014	0	0
2015	2	15
2016	0	0
2017	0	0
2018	0	0
2019	1	15
2020	0	0
2021	1	20
2022	5	71
2023	8	116
2024	11	186
2025	2	31
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	0.4
Nov	0.2
Dec	0.1

Solar power in Zullwil

How much sun falls on the roofs of Zullwil

A LEG is forming in Zullwil

Communities in Zullwil

Primeo Netz AG - Zullwil

Communities nearby

Primeo Netz AG - Nunningen

Primeo Netz AG - Meltingen

Primeo Netz AG - Fehren

Join the LEG in Zullwil

Questions about solar power in Zullwil