Energy producer in the
Canton of Fribourg

Gruyère Energie S.A.

Since 1998 · 51–100 empl.·4.2(29)

Gruyère Energie S.A. is an energy provider offering electricity, solar energy and energy-sharing solutions. Its activities also include district heating, drinking water supply, building services and electric mobility.

MS Rime SA

Since 1988 · 1–10 empl.·5.0(15)

Groupe E Greenwatt SA

Since 2007 · 21–50 empl.

Groupe E Greenwatt SA plans, builds and operates renewable energy projects, particularly photovoltaic installations, hydropower facilities and wind farms. It develops projects at the request of municipalities and works with regional partners and local communities.

BestPellet Wärme AG

Since 2011 · 21–50 empl.

BestPellet Wärme AG processes, produces and sells agricultural and forestry biomass, including wood pellets made from locally sourced forest wood. It also offers a mobile wood-fired heating unit and dries its raw material using solar energy and waste heat from biogas production.

Gérine Energies SA

Since 2017 · 1–10 empl.

Gérine Energies SA manages the supply of energy and utilities at the Marly Innovation Center. Its activities include improving energy efficiency and operating or developing infrastructure for heat, cooling, water and compressed air.

Gruyère Hydrogen Power SA

Since 2021 · 51–100 empl.

Gruyère Hydrogen Power SA is part of the Gruyère Energie group and its network of affiliated companies. The website presents the group’s activities in energy, infrastructure, and related services for private customers, businesses, and public-sector clients.

Fasel Energie AG

Since 2019 · 1–10 empl.

Fasel Energie AG works in renewable energy and offers services related to solar energy and district heating.

Unigaz S.A. Union Interrégionale pour le transport du gaz naturel et renouvelable

Since 1978 · 21–50 empl.·4.5(4)

Unigaz S.A. Union Interrégionale pour le transport du gaz naturel et renouvelable operates a pipeline network for transporting natural gas. The network serves as a major supply route in western Switzerland and also carries gas to neighboring regions in France.

Groupe E Tech SA

Since 2025 · 11–20 empl.

Groupe E Tech SA is a Swiss energy company that produces and distributes electricity, heat and cooling. It also offers photovoltaic systems, electrical installations, home automation, energy-efficiency advice and electric mobility solutions.

Belgaz SA

Since 2010 · 1–10 empl.·5.0(1)

Belgaz SA operates a biogas plant that processes slurry, manure and organic waste from the Bellechasse institutions. The biogas is converted into electricity and heat for the penitentiary.

TAFenergie AG

Since 2020 · 1–10 empl.

TAFenergie AG operates a district heating network that generates heat from renewable wood chips and supplies it to customers. The company also develops and operates photovoltaic systems through solar contracting.

gpfr SA

Since 2008 · 1–10 empl.·4.0(8)