Energy technology in the
Canton of Grisons
64 companies in Energy technology based in the Canton of Grisons — name and year of registration from the commercial register.
50 of 64 companies
Powermix AG
Since 2017 · 11–20 empl.5.0(5)
Powermix AG provides client‑focused planning and consulting as an energy architect, including owner representation, tendering and project support; the company also sells and services photovoltaic systems, heat pumps, battery storage and energy/comfort management solutions.
Axpo Hydro Surselva AG
Since 1933 · 51–100 empl.
Axpo Hydro Surselva AG is part of Axpo Switzerland and the Axpo energy business. It operates in electricity production and distribution, with a focus on hydropower and related energy services.
Kraftwerke Zervreila AG
Since 1952 · 101–500 empl.
The company's core activity is the production of clean and renewable energy from hydropower, particularly through the operation of power plant facilities and reservoirs, as well as the maintenance and servicing of these facilities to ensure high availability and efficiency.
Davos Biogas GmbH
Since 2004 · 1–10 empl.
The core activity of Duchli Ranch is agriculture, particularly livestock farming (dairy cows, Scottish Highland cattle, fattening pigs) and the operation of a biogas plant. Additionally, the company offers a holiday apartment for rent.
ENSY AG
Since 2010 · 1–10 empl.
The core activity of ENSY AG is the development, planning, construction and operation of drinking water turbines and power plants that utilize the energetic potential of drinking water systems to produce clean energy.
GRegio Energie AG
Since 2017 · 1–10 empl.
The core activity of GRegio Energie AG is the planning, implementation and operation of energy projects using biomass and agricultural fertilizer and resource projects. Specifically, this includes: trading and servicing of HTC carbonization plants, sales and planning of wood gasification plants, construction and commissioning of fixed-bed fermenter biogas plants for agriculture and industry, separation and fertilizer recovery plants and related peripherals, creation and operation of complete plants in contracting, and rental of individual equipment and trade in the corresponding resources/raw materials.
esolva ag, Zweigniederlassung Bever
Since 2020 · 11–20 empl.
esolva ag, Zweigniederlassung Bever is a branch of esolva ag providing services for energy suppliers and industrial clients. Its offerings include engineering (network planning, operation and maintenance), meter management, meter-data and energy-data management, billing and customer-center services, finance, ICT and electrical safety services.
swiss e-futurtec ag
Since 2021 · 11–20 empl.
The core activity of swiss e-technic is the research, development, production and distribution of innovative heating technologies, particularly the e-heatcell technology, which offers an efficient and sustainable solution for the renovation of oil heating systems. The company focuses on the development of condensing appliances that can be operated with renewable fuels and offers a comprehensive solution for the energy transition, enabling energy savings, CO₂ reduction and cost savings.
Albula-Landwasser Kraftwerke AG
Since 1961 · 11–20 empl.
Greenconnector AG
Since 2004 · 1–10 empl.
Repower Moesano SA
Since 2024 · 1–10 empl.
Repower Moesano SA is a subsidiary of Repower and a regional partnership involving municipalities from the Misox and Calanca valleys. It supplies electricity to municipalities in the Moesa region and supports a stable local power supply.
OPEN Optimizing Energy SA
Since 2022 · 11–20 empl.
OPEN Optimizing Energy SA provides engineering services and technical and commercial advice for power generation facilities and grid infrastructure. Its activities include developing, assessing and optimizing energy assets and portfolios, energy trading and risk management, and investment in renewable energy.
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.
PAGAenergie AG is an independent engineering consultancy for building services and fire protection. It plans and advises on heating, ventilation, air conditioning, refrigeration and plumbing systems, energy supply and efficiency, and conducts thermal building simulations.
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.
Energy technology in the Canton of Grisons
Energy technology in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 5, 2026
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