Energy Industry in the
Canton of Grisons

EVUlution AG

Since 2020 · 11–20 empl.·3.7(6)

The core activity of EVUlution is the development and provision of solutions for intelligent network management in the energy sector. In particular, the company focuses on optimizing distribution networks through real-time control and monitoring of energy flows, integrating renewable energies, and maximizing the benefits of smart meter infrastructure. Specific activities include: Developing intelligent measurement, control, and regulation systems (iMRS); Creating customer portals for a connected energy world; Providing platforms for network management and digital asset management; Solutions for the intelligent use of flexibilities such as solar systems, e-mobility, and batteries; Central control and monitoring of distribution networks; Detecting network disturbances and potential failures; Optimizing the use of existing distribution network infrastructure. Overall, EVUlution aims to help energy suppliers and network operators make their networks more efficient and reliable to master the challenges of the energy transition.

Repower AG

Since 1904 · 101–500 empl.·3.0(1)

Repower AG operates across the electricity value chain, from generation and trading to distribution and sales. The company produces electricity in Switzerland, Italy and Germany—with a substantial share from Graubünden hydropower—and provides network services and tailored energy solutions for market customers, utilities and infrastructure operators.

Repartner Produktions AG

Since 2011 · 21–50 empl.·3.0(1)

Repartner Produktions AG offers energy suppliers the opportunity to participate in a geographically and technologically diversified generation portfolio. The company targets suppliers from Switzerland and Liechtenstein, invests in varied production capacities and grants shareholders rights from the generation assets to support long-term security of supply. Repower holds 51 percent of the shares while the partners jointly hold 49 percent.

Heizwerk Arosa AG

Since 2025 · 1–10 empl.

Heizwerk Arosa AG plans, builds and operates the Arosa district heating network. The company develops a district heating system that supplies Arosa with renewable heat from regional wood.

Arcuna AG

Since 2025 · 1–10 empl.

Arcuna AG designs and implements large battery storage systems and charging infrastructure with integrated storage. Services include planning, supply, installation and operation of battery storage systems, plus consulting and project development for utilities, businesses and project companies.

Fernwärmetechnik Gadola

Since 2019 · 1–10 empl.·5.0(1)

The core activity of Fernwärmetechnik Gadola is the planning, consulting and execution of district heating systems, particularly in the design and dimensioning of pipeline networks as well as the supply of related products such as plastic jacket pipes, flexible PE-Xa pipes and leak warning systems.

Calonder Energie AG

Since 1983 · 1–10 empl.

Calonder Energie AG provides electrotechnical systems and electrical installations, including sanitary and heating installations. It plans and installs renewable energy systems (solar, wind and hydropower, including Pelton turbines), supplies diesel generators, and offers electronic wildlife-warning and traffic-safety systems.

PAGAenergie AG

Since 1989 · 1–10 empl.

The core activity of PAGAenergie ag encompasses the planning, financing, realization and operation of energy plants as well as the provision of services in the field of facility management, including fire protection and building technology. This includes, among other things: planning, financing, construction, operation and maintenance of energy plants; operation of energy plants, optimized according to economic, energetic and ecological criteria; service, maintenance and on-call duty for energy plants; energy supply; billing with end customers; ensuring energy supply; fire protection and building technology, including thermal building simulation; life cycle management for energy plants, including feasibility studies, sales potential calculations and network configurations; evaluation, planning, financing and realization of measures to increase energy efficiency.

NeoTurbo Energy AG

Since 2025 · 1–10 empl.

NeoTurbo Energy AG develops compact electric, oil-free compression technology for heat pumps. The company presents its solution as a micro electric turbocompressor designed for efficient and space-saving energy conversion.

Calancasca AG

Since 1949 · 11–20 empl.

Tecnicama SA

Since 1950 · 1–10 empl.

Misoxer Kraftwerke AG

Since 1957 · 11–20 empl.

Elettricità Industriale S.A.

Since 1958 · 11–20 empl.

ATB Bötschi

Since 1992 · 1–10 empl.

Ovra electrica Ferrera SA, OEFT

Since 1996 · 1–10 empl.

WORLDENERGY SA

Since 1998 · 1–10 empl.

BLUENERGY SA

Since 2000 · 1–10 empl.

AKONIS AG

Since 2001 · 1–10 empl.

Bohrtech Berry GmbH

Since 2006 · 1–10 empl.

rb.energie gmbh

Since 2006 · 1–10 empl.

Stiftung Sustainable Energy Systems Engadine St. Moritz (SESES)

Since 2006 · 1–10 empl.

Leaves AG

Since 2007 · 1–10 empl.

GrHydro SA

Since 2007 · 1–10 empl.

BePower GmbH

Since 2008 · 1–10 empl.

Entegra Wasserkraft AG

Since 2008 · 1–10 empl.

CEL Buseno SA

Since 2008 · 1–10 empl.

MOUNTAIN ENERGY SA

Since 2009 · 1–10 empl.

Kraftwerk Sagenbach AG

Since 2011 · 11–20 empl.

Ecobioenergy AG

Since 2011 · 1–10 empl.

Wasserkraftwerk Tambobach AG

Since 2012 · 1–10 empl.

Kraftwerk Russein AG, KRU

Since 2012 · 11–20 empl.

Kraftwerk Tschar AG

Since 2014 · 11–20 empl.

Kraftwerke Ragn d'Err AG

Since 2014 · 1–10 empl.

Ouvra electrica Grass GmbH

Since 2014 · 1–10 empl.

de Lutzelbourg GmbH

Since 2014 · 1–10 empl.

iten energy saving gmbh

Since 2015 · 1–10 empl.

Kraftwerk Morteratsch AG

Since 2016 · 1–10 empl.

Centralemulin SA

Since 2016 · 1–10 empl.