Energy producer
in Switzerland
1,614 companies in Energy producer in the Swiss commercial register, indexed across 24 canton and 40 town pages.
50 of 1,614 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)
Grande Dixence SA operates hydroelectric facilities for storing water and generating electricity. Its reservoirs and power plants produce peak and balancing power according to demand, and all the electricity generated is supplied to four partner companies.
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.
Kernkraftwerk Gösgen-Däniken AG
Däniken So · Since 1973 · 500+ empl.4.3(266)
Kernkraftwerk Gösgen-Däniken AG operates a nuclear power plant to generate electricity. Its activities also include the treatment and storage of radioactive waste.
EW Oftringen AG
Oftringen · Since 2008 · 21–50 empl.4.9(131)
EW Oftringen AG is a local electricity and telecommunications utility operating its own electricity distribution network. On behalf of the municipality of Oftringen, it manages the water supply and street lighting, and also offers Quickline internet, TV, landline and mobile services.
LANDI Uri Genossenschaft
Schattdorf · Since 1922 · 1–10 empl.4.6(329)
LANDI Uri Genossenschaft is an agricultural cooperative that supports farms in their economic development. It supplies agricultural production inputs, consumer goods and services, and also operates in retail and energy.
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.
Landi Einsiedeln AG
Einsiedeln · Since 1994 · 11–20 empl.4.5(408)
Landi Einsiedeln AG supplies farms with agricultural inputs, consumables and services, and supports the marketing of agricultural produce. Its other activities include retail sales of food and goods for the home and garden, as well as energy services including fuel stations, heating oil, wood pellets and solar energy.
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.
EW Sirnach AG
Sirnach · Since 2002 · 21–50 empl.4.8(16)
EW Sirnach AG supplies customers with electricity, drinking and firefighting water, and communication services via a fibre-optic network. Its other activities include building technology, electrical installations, network construction, ICT and energy consulting.
Holdinova SA
Vevey · Since 2005 · 21–50 empl.4.7(21)
Holdinova SA is a holding company with interests in businesses involved in energy supply and distribution and building services. The group’s activities include gas and renewable energy, heating, ventilation, plumbing, solar installations and energy-efficient building renovations.
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.
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.
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.
Flims Trin Energie AG
Flims Dorf · Since 2012 · 21–50 empl.4.6(16)
Flims Trin Energie AG is the local electricity distribution network operator for Flims and Trin and supplies the communities with locally produced renewable electricity. It provides the infrastructure needed to operate and expand the electricity and communications networks.
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.
Landi Rhône-Lavaux SA
Collombey · Since 1985 · 101–500 empl.4.4(816)
Landi Rhône-Lavaux SA is an agricultural cooperative active in agriculture, retail and energy. It supplies farms with production materials and advice, supports the marketing of agricultural products, and operates LANDI and TopShop stores and service stations; its energy activities also include fuels and solar energy.
Genedis SA
Vernayaz · Since 1992 · 101–500 empl.4.1(124)
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.
Energie Freiamt AG
Muri Ag · Since 1996 · 21–50 empl.4.3(39)
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.
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.
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.
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).
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.
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.
LANDI WETZIKON-SEEGRÄBEN, Genossenschaft
Wetzikon Zh · Since 1931 · 1–10 empl.4.4(737)
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(170)
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.
Energie Genossenschaft Zimmerberg
Richterswil · Since 2017 · 11–20 empl.4.6(26)
Energie Genossenschaft Zimmerberg is a cooperative working on renewable energy and efficient energy use. It advises on and plans projects involving renewable heating, solar power and electric mobility, supports financing and participation models for energy infrastructure, and provides information and educational events.
Nant de Drance SA
Finhaut · Since 2008 · 21–50 empl.4.3(38)
Nant de Drance SA operates a pumped-storage power plant that pumps and turbines water between the Emosson and Vieux Emosson reservoirs. With an output of 900 MW and a storage capacity of 20 million kWh, the plant stores energy and helps support the stability of electricity supply.
Faivre Energie SA
Delémont · Since 2009 · 11–20 empl.4.4(25)
Faivre Energie SA designs and installs heating and energy systems for private customers and industrial clients. Its services include wood-fired heating, heat pumps and photovoltaic systems, as well as maintenance, repairs and other after-sales services.
Flims Electric AG
Flims Dorf · Since 2002 · 21–50 empl.4.6(16)
Flims Electric AG is an energy and telecommunications company active in electricity and heat production as well as broadband communications. It operates district heating infrastructure and offers internet, TV, mobile and landline services.
Azienda elettrica ticinese
Monte Carasso · Since 1959 · 101–500 empl.4.1(9)
Azienda elettrica ticinese is a cantonal public-sector institution that produces, transmits and trades electricity. It operates hydropower, wind and solar generation facilities and also provides services for energy and grid infrastructure, as well as in the field of thermal energy.
Ganeos AG
Zurich · Since 1966 · 51–100 empl.4.7(9)
Ganeos AG transports gas through a high-pressure pipeline network and ensures its safe and reliable operation. The company supports the gas infrastructure throughout its lifecycle, from planning and construction to operation, maintenance and services for network partners and construction projects.
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.
LANDI Buchsi, Genossenschaft
Herzogenbuchsee · 11–20 empl.4.4(475)
LANDI Buchsi, Genossenschaft supplies farmers with seasonal production inputs, provides advisory and marketing services and operates agricultural facilities such as grain collection and storage. It also runs retail outlets (LANDI stores and a TopShop) and energy services, including AGROLA petrol stations, e-charging points and heating-fuel supply.
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.
Société électrique du Val-de-Travers S.A.
Couvet · Since 1927 · 11–20 empl.4.4(34)
Société électrique du Val-de-Travers S.A. produces hydroelectricity and operates and maintains an electricity distribution network. It also provides electrical installation and repair services, as well as solutions for photovoltaics, electric vehicle charging stations and heat pumps.
LANDI Reba AG
Aesch Bl · Since 1998 · 1–10 empl.4.4(1769)
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.
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.
Technische Betriebe Weinfelden AG
Weinfelden · Since 2001 · 21–50 empl.4.1(32)
Technische Betriebe Weinfelden AG procures and distributes electricity and gas and provides drinking water. It operates a fibre-optic network, expands the district heating network, and offers energy advice and services to municipalities and energy suppliers in the region.
Verband Schweizerischer Elektrizitätsunternehmen (VSE)
Aarau · Since 2003 · 21–50 empl.4.5(11)
Verband Schweizerischer Elektrizitätsunternehmen (VSE) is the umbrella association of Switzerland’s electricity sector. It coordinates and represents its members’ shared interests in dealings with policymakers, business and society, and provides services to the sector, including training and industry publications.
Energie Ausserschwyz AG
Galgenen · Since 2014 · 21–50 empl.5.0(11)
Energie Ausserschwyz AG produces heat and electricity at an energy centre with a wood-fired power plant and a biogas facility. It operates a district heating network, supplying buildings with centrally generated heat from regional waste and forest wood, as well as organic feedstocks.
YouPower AG
Lamone · Since 2021 · 1–10 empl.5.0(22)
YouPower AG develops and delivers energy solutions focused on renewable energy. Its services include designing and installing photovoltaic systems, as well as providing energy storage, electric vehicle charging, heat pumps, energy consulting and energy management.
Società Elettrica Sopracenerina SA (SES)
Locarno · Since 1903 · 21–50 empl.4.2(18)
Elektrizitätswerk Sennwald Genossenschaft
Sennwald · Since 1911 · 1–10 empl.4.8(27)
The company Elektrizitätswerk Sennwald Genossenschaft is an energy supply company specializing in the generation, distribution, and sale of electrical energy. The core activities include: operation and maintenance of power plants, network construction and operation, energy consulting, supply of electrical energy, renewable energies and natural power, street lighting, electrical trade and installations, building automation and multimedia installations, lighting and SNS (Speed Net Sennwald). The company also offers additional services such as aerial lifts, Sky Access, and energy consulting.
The industry in figures
Geographic distribution
Colour intensity by number of companies per canton.
Source: commercial register (Zefix) · as of November 6, 2026
Energy producer by place
By canton
By town
Related industries
Counted nationally, across all cantons.