Energy producer in the
Canton of Grisons

Recal SA

Since 2010 · 1–10 empl.

Recal SA builds and operates regional district-heating networks and energy centres. Its plants use wood chips to supply heat and, in Disentis/Mustér, also generate electricity with a wood-gasification combined heat and power unit.

Societad Ovra electrica Lumbrein

Since 2011 · 1–10 empl.

Societad Ovra electrica Lumbrein operates an electricity utility and supplies customers with electricity. The cooperative maintains the distribution grid, operates a hydropower plant and a photovoltaic installation, and supplies the municipalities of Lumbrein and Vrin.

Arosa Energie

Since 2011 · 21–50 empl.

Arosa Energie generates renewable electricity from hydropower and supplies customers with energy. The public-sector energy provider operates and maintains the electricity distribution network and supports photovoltaic systems and the self-consumption of solar power.

Ouvra Electrica Lavinuoz Lavin SA (OELL)

Since 2012 · 11–20 empl.

Ouvra Electrica Lavinuoz Lavin SA (OELL) operates the Lavinuoz small hydropower plant. The run-of-river facility generates renewable electricity and feeds it into the Energia-Engiadina grid.

esolva ag, Zweigniederlassung Landquart

Since 2019 · 11–20 empl.

esolva ag, Zweigniederlassung Landquart provides services to energy suppliers and industrial businesses. Its activities include electrical safety, engineering for energy facilities and distribution networks, meter and measurement data management, Meter-to-Cash processes, finance, and ICT.

Wärmeverbund Laax AG

Since 2020 · 1–10 empl.

Wärmeverbund Laax AG produces thermal energy from wood sourced from regional forests and supplies buildings with district heating for space heating and hot water.

Energieverbund Maienfeld AG

Since 2021 · 1–10 empl.

Energieverbund Maienfeld AG supplies customers with regional renewable energy through a thermal network. Heat is generated from locally sourced wood, while groundwater provides ambient energy and can also be used for cooling.

Calandawind AG

Since 2013 · 1–10 empl.·5.0(4)

Calandawind AG operates a wind turbine that generates electricity from renewable energy. The turbine has a capacity of 3 MW and, according to the company, produces around 4.5 gigawatt-hours of electricity per year.

energia alpina

Since 2004 · 21–50 empl.·4.7(3)

energia alpina is a regional energy company that produces and supplies electricity and operates electricity and heating networks. Its activities include hydropower and solar generation, heating and cooling through an anergy network, electrical installations and building automation.

AG Elektrizitätswerk Maienfeld

Since 1941 · 1–10 empl.·5.0(1)

AG Elektrizitätswerk Maienfeld supplies customers with electricity and operates the electricity distribution network. Its services include grid connections, renewable electricity and energy advice; it also generates electricity from drinking-water hydropower and solar power.

Ovras Electricas Tinizong SA

Since 2025 · 1–10 empl.

Ovras Electricas Tinizong SA is listed on the Surses municipal website as the electricity utility responsible for the local power supply and emergency response in case of faults. The site also references municipal energy information and technical services.

EE Energia Engiadina

Since 2013 · 21–50 empl.·4.5(2)

EE Energia Engiadina operates municipal electricity distribution networks and supplies electrical energy. Its activities include maintaining electricity and fibre-optic networks, operating hydropower plants, and providing services such as e-mobility solutions and support for collective self-consumption.

Idrogen Engiadinais SA

Since 2021 · 1–10 empl.

Idrogen Engiadinais SA develops and operates hydrogen production facilities, refuelling stations and related infrastructure. Its activities cover the hydrogen value chain, from renewable-energy-based production through logistics and distribution to use.

Heizwerk Arosa AG

Since 2025 · 1–10 empl.

Heizwerk Arosa AG is planning and developing the Arosa district heating network. It is intended to supply buildings with renewable heat from regional wood.

ENERGIA SOLARA ENGIADINAISA SA

Since 2025 · 1–10 empl.

ENERGIA SOLARA ENGIADINAISA SA is developing the Samedan solar power plant, an alpine photovoltaic project for generating solar electricity. The project includes vertically installed, bifacial modules and associated energy transmission and grid connection infrastructure, while allowing continued agricultural use of the land.

Albula Netz AG

Since 2016 · 21–50 empl.

Albula Netz AG operates and maintains the regional electricity supply network at voltage level 5, connecting the municipalities of the Albula Valley. Its network area extends from Davos Wiesen to Tiefencastel.

Corporaziun chalur da laina Scuol SA

Since 2025 · 1–10 empl.

Corporaziun chalur da laina Scuol SA is developing and will operate a wood-fired district heating system with a central heating plant and distribution network. From the 2027/28 heating season, it is planned to supply homes, hotels, Bogn Engiadina and commercial properties with heat from wood sourced in the Lower Engadine.

retron AG

Since 2026 · 1–10 empl.

retron AG develops, installs and operates equipment and dispatching software for marketing spare capacity at transformer stations on the Swiss balancing-energy market. It provides the Swissgrid connection and automates bidding, activation, verification and settlement, serving clients including mountain railways, gravel and concrete plants, and industrial businesses.

WERKE Vaz/Obervaz

11–20 empl.

WERKE Vaz/Obervaz supplies the population with electricity, heat and water. Its responsibilities also include wastewater collection and treatment, as well as operating the electricity distribution network.

Kraftwerke Vorderrhein AG (KVR)

Since 1956 · 11–20 empl.

Grischelectra AG

Since 1978 · 1–10 empl.

Kraftwerke Reichenau AG

Since 1955 · 11–20 empl.

Ovras Electricas Frisal SA

Since 1958 · 11–20 empl.

Impianti elettrici Bivio società cooperativa

Since 1974 · 1–10 empl.

Kraftwerke Ilanz AG (KWI)

Since 1978 · 11–20 empl.

arosa electra AG

Since 2000 · 1–10 empl.

Bio Energina AG

Since 2005 · 1–10 empl.

Gemeinschaftskraftwerk Inn GmbH, Innsbruck (AT), Zweigniederlassung Martina

Since 2006 · 1–10 empl.

Società cooperativa calore Cologna

Since 2008 · 1–10 empl.

Kraftwerk Rothenbrunnen AG

Since 2008 · 1–10 empl.

Pandastic GmbH

Since 2009 · 1–10 empl.

Ouvra Electrica Susasca Susch SA

Since 2009 · 1–10 empl.

Jolahofenergie GmbH

Since 2012 · 1–10 empl.

Ouvra Electrica Tasnan SA

Since 2012 · 11–20 empl.

Genossenschaft hinterrhein plus

Since 2012 · 1–10 empl.

Recal Breil SA

Since 2014 · 1–10 empl.

alpine energia GmbH

Since 2015 · 1–10 empl.

Calore Borgo Sagl

Since 2016 · 1–10 empl.