Photovoltaics in
Willisau

Elektro Illi AG

Since 1978 · 21–50 empl.·4.6(25)

Elektro Illi AG is an electrical contractor specialising in electrical installations and solar technology. It plans and carries out projects and provides services including photovoltaic systems, e-mobility, building automation, ICT, electrical inspections, maintenance and repairs.

Illi Kontrolle AG

Since 2020 · 11–20 empl.·4.6(25)

Illi Kontrolle AG carries out inspections of electrical installations in accordance with the Low‑Voltage Installation Ordinance (NIV) and issues the required safety certificate (SiNa) following the inspection.

Afimag AG

Since 1982 · 1–10 empl.

Afimag AG operates photovoltaic systems to generate electricity and is also active in optics, contact lenses and mini-houses.

ÖkoFEN-Schweiz GmbH

Since 2008 · 11–20 empl.

The core activity of ÖkoFEN is the development and production of pellet heating systems and air-water heat pumps, i.e. renewable heating solutions.

Genossenschaft Energie Willisau

Since 2016 · 1–10 empl.

Genossenschaft Energie Willisau is an energy cooperative that promotes renewable energy, sustainable energy use and energy storage. It operates a photovoltaic installation whose electricity is primarily used on site, with surplus solar power fed into the grid.