Energy Suppliers
in Switzerland
1,610 companies in Energy Suppliers in the Swiss commercial register, indexed across 24 canton and 40 town pages.
50 of 1,610 companies

EWS AG
Ibach · 101–500 empl.4.8(33)
EWS AG, based in Ibach SZ, has been supplying around 24,000 customers with electricity since 1896. It is a private joint-stock company, CKW AG is the majority shareholder. The focus areas are network and infrastructure construction as well as switchgear manufacturing, both active nationwide: power supply systems for industry and grid operators, battery storage (BESS), fast charging infrastructure, fiber optic networks, as well as engineering and manufacturing of switchgear combinations for energy supply, building technology, transport and e-mobility. In addition: building technology, photovoltaics, e-mobility and EWS Fiber. Total output 2024/25: CHF 94.8 million. Over 200 employees, 35 trainees in ten occupations. Brand: Team Rot. ews.ch
Grande Dixence SA
Sion · Since 1950 · 101–500 empl.4.8(25)
The core activity of Grande Dixence SA is the production of energy from hydropower, particularly through the operation of dams, hydroelectric power plants and pumping stations in the Alps. The company specializes in the generation of energy from hydropower and focuses on sustainable and environmentally friendly electricity production.
Elektrizitätswerk Vals (EW Vals)
Vals · Since 2014 · 21–50 empl.4.7(250)
Elektrizitätswerk Vals (EW Vals) is not described on the Vals website with its own business activities or services. The site mainly presents tourism, leisure and municipal content, and no clear information about the utility itself was found.
Eischoll Energie AG
Eischoll · Since 2011 · 1–10 empl.4.7(65)
Eischoll Energie AG operates the tourism-related services of Eischoll and provides information on activities, events, and accommodation. The website also presents mountain transport, summer and winter sports offers, hiking and biking options, and a 24/7 info center.
Bas-Valais Energie SA
Vouvry · Since 1987 · 101–500 empl.4.5(34)
Bas-Valais Energie SA is an energy provider offering electricity and related energy services. The company presents information on electricity, solar projects and district heating, as well as services related to energy efficiency and self-production of energy.
EW Oftringen AG
Oftringen · Since 2008 · 21–50 empl.4.9(124)
EW Oftringen AG is an energy utility operating its own distribution network and offering services in electricity, water and telecommunications. The company supplies electricity and water and also markets Quickline telecommunications products. Its services include network operation and energy procurement, energy-efficiency advisory, support for solar installations and online customer services such as meter-reading submission and connection handling.
Kernkraftwerk Gösgen-Däniken AG
Däniken So · Since 1973 · 500+ empl.4.2(264)
The core activity of Kernkraftwerk Gösgen-Däniken AG is the safe, reliable and economic generation of electricity and process heat through the operation of a nuclear power plant.
Romande Energie SA
Morges · Since 1904 · 21–50 empl.4.5(34)
Romande Energie SA is a multi‑service energy provider that supplies electricity and operates renewable electricity and heat production. The company manages electrical networks and offers services such as solar generation and producer support, electric vehicle charging solutions, district heating, energy efficiency advice, and connection and billing services for households, businesses and municipalities.
Holdiproduction SA
Vevey · Since 2006 · 51–100 empl.4.7(21)
Holdiproduction SA provides services to group companies in the field of renewable energy production. It is part of the Holdinova group, which operates in energy and building technology.
LANDI Uri Genossenschaft
Schattdorf · Since 1922 · 1–10 empl.4.5(328)
The core activity of the company LANDI Uri Menu Wetter cooperative.find is in agriculture and agricultural cooperatives, particularly in the area of agricultural production and marketing.
Landi Einsiedeln AG
Einsiedeln · Since 1994 · 11–20 empl.4.5(407)
The core activity of LANDI Einsiedeln AG is the operation of an agricultural cooperative company, offering services and products for agriculture and rural areas.
EW Sirnach AG
Sirnach · Since 2002 · 21–50 empl.4.8(16)
EW Sirnach AG is a utility and service provider operating electricity, water and communication networks and offering related services. The company advises, plans, builds, installs and maintains infrastructure and provides building-technology services such as electrical installations, photovoltaic systems, building automation, e‑charging stations, network construction, ICT and energy consulting.
Holdinova SA
Vevey · Since 2005 · 21–50 empl.4.7(21)
Holdinova SA is an energy and building-technology group that supplies gas (including biogas) and solar energy, offers district heating and mobility solutions, and provides building-technical services through its subsidiaries.
Enerproject SA
Mezzovico · Since 1995 · 51–100 empl.4.5(21)
The core activity of Enerproject is the development, manufacture and supply of compressor units and systems for various industrial applications, particularly in the fields of cryogenics, gas processing and compression, as well as the development of solutions for reducing carbon emissions. The company also provides comprehensive services such as maintenance, repair and overhaul of compressors, as well as engineering solutions for specific customer requirements.
ebs Energie AG
Schwyz · Since 1952 · 101–500 empl.4.8(13)
ebs Energie AG is an energy and communications company that supplies electricity from regional hydropower as well as natural gas and biogas. The company operates distribution networks and provides grid services, network connections, infrastructure construction and public lighting. ebs also offers energy services such as photovoltaics, e-mobility and energy consulting, and supplies communication products including internet, TV, fixed-line and mobile services.
SV Kompostieranlage Bellach AG
Bellach · Since 1991 · 1–10 empl.4.9(12)
SV Kompostieranlage Bellach AG operates a composting facility that processes biogenic wastes into soil, fertilizer and wood products. The site accepts various biogenic materials, offers visitor tours, and sells packaged and bulk products such as topsoil, compost and wood chips.
Energie Freiamt AG
Muri Ag · Since 1996 · 21–50 empl.4.4(37)
The core activity of Energie Freiamt includes the supply of electricity and heat, including the planning, implementation and maintenance of electricity and heat networks, as well as the provision of services in the areas of electrical installation, energy solutions and electromobility.
Flims Trin Energie AG
Flims Dorf · Since 2012 · 21–50 empl.4.6(16)
The core activity of Flims Electric AG includes the generation of electricity and heat from renewable energy sources, as well as the provision of services in the areas of energy supply, electricity, fibre optic and heat networks, e-mobility, control systems, measurement technology and broadband communication.
Melintec AG
Bremgarten Ag · Since 2017 · 11–20 empl.5.0(29)
Melintec AG provides consulting, project management and the planning, installation and maintenance of photovoltaic systems, storage solutions, e-mobility charging stations and lighting retrofits. The company also carries out service and maintenance work and supplies energy management solutions for residential and commercial clients.
IBW Energie AG
Wohlen Ag · Since 2001 · 21–50 empl.4.6(10)
IBW Energie AG supplies electricity, gas and drinking water and provides related services such as energy consulting, grid connections, heating service and water leak detection.
Kraftwerke Oberhasli AG
Innertkirchen · Since 1925 · 21–50 empl.4.6(12)
Kraftwerke Oberhasli AG generates electricity from hydropower and operates a complex system of reservoirs, dams and power plants. The company runs 13 hydropower plants and eight storage reservoirs, produces several thousand gigawatt‑hours of electricity per year, and provides grid regulation, engineering services (Grimsel Hydro) and visitor/tourism offerings (Grimselwelt).
Genedis SA
Vernayaz · Since 1992 · 101–500 empl.4.1(122)
The core activity of Genedis encompasses two main areas: 1. **Energy**: Genedis is active in the energy supply sector and offers services such as: * Procurement on the electricity market * Network management for electricity, heat, water, and telecommunications * Energy services: audits, solar, thermal, and electric mobility solutions 2. **Multimedia**: As a regional provider of net+, Genedis offers a wide range of multimedia services, including: * Internet * TV * Mobile telephony * Business solutions for SMEs and municipalities Genedis focuses on providing services that support the energy efficiency of buildings and the digital transformation of businesses and municipalities.
Gruyère Energie S.A.
Bulle · Since 1998 · 51–100 empl.4.2(29)
The core activity of Gruyère Energie SA encompasses the provision of energy, particularly: * Supply of electrical energy * Supply of thermal energy * Building technology (installation, planning and implementation of projects) * Management of drinking water * Development of renewable energies * Electric mobility * District heating * Solar photovoltaics * Multimedia electrical distribution The company thus offers a wide range of services in the fields of energy, construction and the environment.
Landi Rhône-Lavaux SA
Collombey · Since 1985 · 101–500 empl.4.4(814)
The core activity of LANDI Rhône-Lavaux encompasses three main areas: 1. **Agriculture**: The company supports farmers in the region by providing production resources, seasonal and regional consumer goods, and services. It also promotes the sale of high-quality agricultural products and offers consulting services. 2. **Retail Trade**: LANDI Rhône-Lavaux operates retail stores (LANDI and TopShops) where the local population and travelers can find food and general consumer goods. 3. **Energy**: The company is active in the energy sector by operating AGROLA gas stations, offering electric charging stations and hydrogen fueling stations, and selling heating oil and wood pellets. It also provides services in the field of solar energy.
StWZ Strom AG
Zofingen · Since 2001 · 21–50 empl.4.2(31)
StWZ Strom AG supplies electricity and related energy services, including retail electricity products, feed-in remuneration for solar power and Smart Meter solutions. The company also provides online customer services (billing, meter readings, customer portal) and advisory services on self-consumption and photovoltaic systems.
StWZ Erdgas und Fernwärme AG
Zofingen · Since 2001 · 21–50 empl.4.2(31)
StWZ Erdgas und Fernwärme AG offers natural gas products, biogas options and district heating along with related energy services. The company’s services also cover electricity, water and building-technology solutions, solar and storage systems, charging infrastructure and customer services such as an online portal and subsidy advice.
Energie Genossenschaft Zimmerberg
Richterswil · Since 2017 · 11–20 empl.4.6(26)
The company's core activity is the promotion and implementation of renewable energies, particularly solar power, as well as consulting and supporting private individuals and companies in their transition to sustainable energy sources. This includes planning and implementing photovoltaic systems, promoting electromobility through charging stations, and advising on heating replacement and building modernization. The company also offers crowdfunding and contracting models for energy infrastructure and is committed to regional value creation and cooperation with regional companies.
Romande Energie SA, succursale de Martigny
Martigny · Since 2020 · 101–500 empl.4.5(34)
Romande Energie SA, succursale de Martigny is an energy multi‑service provider that supplies electricity and offers solutions for renewable production, grid infrastructure and energy efficiency. Services include support for photovoltaic production, charging‑station solutions, district heating, connection services and customer energy advisory.
ebs Erdgas + Biogas AG
Schwyz · Since 1911 · 101–500 empl.4.8(13)
ebs Erdgas + Biogas AG supplies natural gas and biogas products to private and commercial customers, offering options such as Biogas 20 CH, Biogas 100 and liquefied gas.
Azienda elettrica ticinese
Monte Carasso · Since 1959 · 101–500 empl.4.1(9)
Azienda elettrica ticinese is an energy utility that produces electricity and heat, operates grid and transmission services, engages in energy trading, and provides energy-related products and services including production facilities and electromobility offerings.
LANDI WETZIKON-SEEGRÄBEN, Genossenschaft
Wetzikon Zh · Since 1931 · 1–10 empl.4.4(736)
LANDI WETZIKON-SEEGRÄBEN, Genossenschaft operates retail outlets (LANDI, Volg, TopShop) and an AGROLA fuel station, supplying fuels and heating products such as diesel, heating oil and wood pellets. It also runs a portal car wash, manages rental properties and provides members with sales channels for farm products.
MEGASOL ENERGIE AG
Deitingen · Since 2004 · 101–500 empl.4.0(168)
Megasol is a leading solar manufacturer specializing in the development, production, and distribution of solar modules. The company's core activity encompasses the planning, design, and implementation of solar projects, from rough conception to detailed design and commissioning. This also includes collaboration with partners such as architects, investors, installers, and operators, as well as consulting and supporting customers in the realization of their solar projects.
Nant de Drance SA
Finhaut · Since 2008 · 21–50 empl.4.3(38)
The core activity of Nant de Drance SA is the generation and storage of electrical energy through the operation of a pumped storage power plant. This plant utilizes the height difference between two lakes to pump water between them, thereby storing energy that can be retrieved and converted into electrical energy as needed.
Flims Electric AG
Flims Dorf · Since 2002 · 21–50 empl.4.6(16)
Flims Electric AG is an integrated utility that produces energy and provides services in power supply, district heating and broadband telecommunications. The company operates renewable generation plants, manages electricity and fibre networks, and offers services including e‑mobility, metering and control systems.
Faivre Energie SA
Delémont · Since 2009 · 11–20 empl.4.4(25)
The core activity of Faivre Energie SA is to provide energy supply solutions, particularly in the fields of heating and solar energy. The company offers services to individuals and businesses, including the installation and maintenance of heating systems and photovoltaic installations.
Ganeos AG
Zurich · Since 1966 · 51–100 empl.4.7(9)
The core activity of Erdgas Ostschweiz AG is the procurement and sale of natural gas, as well as the provision of supporting services for local natural gas suppliers. This includes the planning, execution and maintenance of natural gas networks and facilities, as well as ensuring a reliable energy supply through network management and dispatching.
Forces Motrices de Martigny-Bourg S.A.
Martigny · Since 2000 · 51–100 empl.3.9(46)
Forces Motrices de Martigny-Bourg S.A. is an energy and utilities provider offering electricity, district heating, potable water and multimedia/telecommunications services. Its activities include photovoltaic projects, e-mobility solutions, network connection procedures and online customer services.
Sinergy Commerce SA
Martigny · Since 2001 · 51–100 empl.3.9(46)
Sinergy Commerce SA is a utility and service provider offering solutions for heating, electricity, water and multimedia. Its services include district heating and cooling, natural gas heating, renewable electricity with photovoltaic installations and energy storage, electric vehicle charging infrastructure, potable water and wastewater services, and internet, TV and telephony solutions for private and business customers.
Sinergy Infrastructure SA
Martigny · Since 2001 · 51–100 empl.3.9(46)
Sinergy Infrastructure SA is a utility company providing services in heating (district heating and district cooling), electricity, drinking water and wastewater, and multimedia. Its offerings include photovoltaic and energy-storage solutions, electric vehicle charging infrastructure, and Internet, TV and telephony services for residential and business customers.
Société électrique du Val-de-Travers S.A.
Couvet · Since 1927 · 11–20 empl.4.4(34)
The core activity of SEVT (Société Electrique du Val-de-Travers) primarily involves providing services in the field of electricity supply, including: installation and repair of electrical systems, distribution of electrical appliances and household appliances, services in the field of renewable energy, and operation of an electricity distribution network. The company also offers a 24/7 emergency repair service for electrical issues and has its own store for the sale of electrical appliances and household appliances.
GWF AG
Lucerne · Since 1927 · 101–500 empl.4.3(19)
GWF AG develops and supplies measurement and control technology as well as digital platforms and services for applications in water, gas, heat and electricity. The company offers products such as meters and flow measurement devices, data platforms and end-to-end system integration for utilities and industrial customers.
EW WALD AG
Wald Zh · Since 2000 · 21–50 empl.4.5(21)
EW WALD AG provides electricity supply and offers electrical installation and grid services, operates plants such as heat‑contracting systems, and maintains a 24‑hour emergency service, customer forms and an online customer portal.
rwt Regionalwerk Toggenburg AG
Bazenheid · Since 2001 · 21–50 empl.4.5(8)
The company is a regional energy and services provider that supplies its customers with electricity, water, communication and district heating. The core activities include the provision of energy and services such as fiber optic networks, operational management, pipeline data and technical services. The company also operates a hydroelectric power plant and offers additional services such as e-mobility and temporary network connections.
Verband Schweizerischer Elektrizitätsunternehmen (VSE)
Aarau · Since 2003 · 21–50 empl.4.5(11)
The company's core activity is energy supply and production, particularly in the electricity sector. The company is an energy supplier that deals with the production, distribution and marketing of electricity. It is also committed to the energy transition and the promotion of renewable energies.
Energie Ausserschwyz AG
Galgenen · Since 2014 · 21–50 empl.5.0(11)
Energie Ausserschwyz AG operates an energy centre combining a wood-fired power plant and a biogas facility to produce heat and electricity. The company supplies district heating via a regional pipeline network and provides connections, heat-exchange installations, pipeline construction and customer services for clients switching to district heating.
YouPower AG
Lamone · Since 2021 · 1–10 empl.5.0(22)
The core activity of YouPower AG is the development, planning, installation and maintenance of solutions for renewable energies, in particular solar energy, as well as e-mobility and energy management. The company offers a wide range of services, including the installation of photovoltaic systems, e-mobility solutions, energy management systems and solar storage systems. Additionally, it provides consulting services for energy efficiency and management.
ICOGNE ENERGIE SA
Icogne · Since 2008 · 1–10 empl.4.8(9)
ICOGNE ENERGIE SA is a municipal institution that organizes the public administration of the municipality of Icogne and provides local government services. Its activities include resident registration, technical services, construction matters, public works, finance, taxes, and other administrative services.
Società Elettrica Sopracenerina SA (SES)
Locarno · Since 1903 · 21–50 empl.4.2(18)
LANDI Reba AG
Aesch Bl · Since 1998 · 1–10 empl.4.4(1764)
LANDI Reba AG is a trading and service company of the fenaco group active in the sectors of agriculture, retail and energy. It supplies farmers with production inputs, marketing and advisory services, operates LANDI/Volg stores and TopShops, runs AGROLA filling stations with charging options, and provides heating-fuel and solar energy services.
Werke am Zürichsee AG
Küsnacht Zh · Since 2009 · 51–100 empl.4.3(12)
The core activity of Werke am Zürichsee AG is the supply of the municipalities of Zollikon, Küsnacht and Erlenbach with drinking water, gas, district heating, electricity and digital network for internet, TV and telephone. This includes the construction, operation and maintenance of transport and distribution lines, water and heat plants, as well as the production of renewable electrical energy.
The industry in figures
Geographic distribution
Colour intensity by number of companies per canton.
Source: commercial register (Zefix) · as of October 12, 2026
Energy Suppliers by place
By canton
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Related industries
Counted nationally, across all cantons.