Energy Suppliers in the
Canton of Aargau

107 companies in Energy Suppliers based in the Canton of Aargau — name and year of registration from the commercial register.

Companies

50 of 107 companies

Elektra-Genossenschaft Gipf-Oberfrick

Since 1908

Battery storage funding modelElectricity supplyRates and switching-off periods

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Elektrizitäts-Genossenschaft Boswil-Bünzen

Since 1909

Electricity supply and grid accessNaturstrom / energy mixSelf-consumption solutions (EVG/ ZEV/ vEVG/ vZEV/ LEG)

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Elektra Genossenschaft Auw

Since 1909

Electricity supplyFault servicePeriodic inspection

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Elektrizitätsgenossenschaft Beinwil/Freiamt

Since 1909

Electricity supplyFault reportingAddress correction

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Elektrizitätsgenossenschaft Mühlau

Since 1909

Electricity supplyPhotovoltaicsConsumption and metering services

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Elektrizitäts-Genossenschaft Merenschwand

Since 1909

Electricity supplyNaturstromBilling and meter readings

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Elektrizitäts-Genossenschaft Benzenschwil

Since 1910

Electricity supplyNaturstromPhotovoltaic systems

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Elektra Rudolfstetten-Friedlisberg AG

Since 1911

Electricity supplyCable networkReal estate

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Elektrizitätsgenossenschaft Jonen

Since 1911

Electricity supplyElectricity tariffs and billing informationFreiämter green electricity

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Elektra-Genossenschaft Künten

Since 1911

Electricity supplyElectricity billing and invoicingElectrical inspections

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Elektra Genossenschaft Arni-Islisberg

Since 1911

Electricity products for households and businessGrid access and energy supplyInspection of electrical installations

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ELEKTRA Genossenschaft Abtwil

Since 1912

Electricity supplyPhotovoltaicsE-mobility

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Elektrizitätsgenossenschaft Aristau

Since 1912

Electricity supplyTariff and consumption informationEnergy return feed-in from PV plants

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Elektro-Genossenschaft Oberrüti

Since 1912

Electricity supplyElectricity prices and tariffsFibre-optic connection (FTTH)

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Elektrizitäts-Genossenschaft Siggenthal

Since 1913

Electricity supplyGrid connectionMetering / installation inspection

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Elektrizitäts - Genossenschaft Mülligen

Since 1915

Electricity supplyTariffs and connection chargesCustomer portal

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Elektra Genossenschaft Baldingen

Since 1915

Electricity supplyFeed-in compensationTemporary connections

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Elektra-Genossenschaft Bellikon-Hausen

Since 1915

ElectricityPhotovoltaic systemsCommunication

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Elektrizitäts-Genossenschaft Aettenschwil

Since 1915

Electricity supplyBuilding connectionCompensation for renewable energy

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Elektra Mettauertal und Umgebung Genossenschaft (EMU)

Since 1916

Electricity supplyGrid connection and construction-site connectionsCustomer service and customer portal

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AEW Energie AG

Since 1916

Electricity products for basic supplyMarket energyNetwork usage products

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Kraftwerk Ryburg-Schwörstadt AG

Since 1926

Ryburg-Schwörstadt hydropower plantFish passage facilitiesBoat transfer facility

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Genossenschaft ELEKTRA Oberrohrdorf

Since 1961

ElectricityFibre-optic networkApplication for connection to the EOR network

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ELEKTRA REMETSCHWIL, Genossenschaft

Since 1964

Electricity supplyGrid operation and fault serviceGrid connection and connection application

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genossenschaft elektra busslingen

Since 1967

Electricity supplyGrid connectionCustomer portal

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Elektrizitätsgenossenschaft Hermetschwil-Staffeln

Since 1973

Energy supplyElectricity productsGreen electricity products

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Gemeindewerke Villmergen

Since 1977

Electricity supplyWater supplyHeat supply

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Fernwärme Wynenfeld AG

Since 1982

District heating supplySteam supplyHot-water supply

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REFUNA AG

Since 1983

District heatingDistrict heating connectionHeat transfer station

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Argovia Energie AG

Since 1989

Advisory on nuclear energy and nuclear power plantsPROMATOMNuclear plant organisation as a public-private partnership

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Fernwärme Siggenthal AG

Since 1995

District heating connectionDistrict heating supplyService and maintenance

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Energie Freiamt AG

Since 1996

Electricity productsSolar systemsProduce electricity

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EWS Energie AG

Since 1998

Electricity supplyDrinking water supplyTelecommunications

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Regionalwerke AG Baden

Since 1999

Electricity supplyWater supplyDistrict heating and district cooling

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Eniwa AG

Since 2000

ElectricityGasHeating and cooling supply

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IBB Strom AG

Since 2001

ElectricityElectricity products for private customersElectricity products for business customers

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StWZ Strom AG

Since 2001

Electricity supplyElectricity productsElectricity generation and self-consumption

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EW Rothrist AG

Since 2001

Electricity supplyWater supplyNatural electricity products

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IBW Energie AG

Since 2001

Electricity supplyGas supplyWater supply

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IBW Technik AG

Since 2001

Energy consultingGeographic informationHeat contracting

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SWL Energie AG

Since 2002

ElectricityGas energyDistrict heating

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Verband Schweizerischer Elektrizitätsunternehmen (VSE)

Since 2003

Representation of the power industryMembershipVocational training

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Swissgrid AG

Since 2005

Operation of the Swiss Transmission GridGrid controlProcurement of system services

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Blue-Water-Power AG

Since 2006

Energy from Drinking and Wastewater

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Kraftwerk Sigismühle AG

Since 2007

Green electricity from hydropower

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EW Oftringen AG

Since 2008

Electricity supplyGreen electricityWater supply

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Recycling Energie AG

Since 2009

Green electricityBiogasBiodiesel

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Hydrelec GmbH

Since 2009

ConsultingProject engineeringImplementation

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EWK Energie AG

Since 2009

Electricity productsGrid connectionFeed-in compensation and origin certificates

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Wärmeverbund Hardmatt GmbH

Since 2010

Care and supportLiving and accommodationGastronomy

View profile4.5(23)

Show 38 more companies

Energy Suppliers in the Canton of Aargau

107Energy SuppliersCommercial register (Zefix) · as of August 26, 2026

2002Median year of registrationCommercial register (Zefix) · as of August 26, 2026

107in the Canton of AargauCommercial register (Zefix) · as of August 26, 2026

1,136in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Locations

Energy Suppliers in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 26, 2026

Largest places

Aarau8

Place axis

Other industries in the Canton of Aargau

All companies in the Canton of Aargau

Property Management1,402 Management Consulting1,191 Real Estate Project Development1,120 IT Consulting & Services1,110 Restaurants958 Auto Repair Shops888 Technical Consulting & Engineering848 Fiduciary Offices730 Automotive & Vehicle Trade717 Holding Companies693 Software Development668 Facility Management & Cleaning660 Real Estate Brokerage624 Coaching & Personal Development587 Online Shops585 Logistics & Transport Companies562 Advertising Agencies551 Architecture Firms541 Horticulture & Landscaping535 Painting & Plastering535 Plumbing & Building Services479 Interior Construction475 Hair Salons454 Electrical Planning & Installation431 Mechanical Engineering Industry427 Food Processing375 General Contractors348 Flooring & Tiling343 Beauty Salons333 Metal Construction313 Repair of Machinery & Electronic Devices307 Continuing Education Institutes299 Wholesale - Machinery & Technical Equipment290 Building Maintenance289 Recruitment & HR Consulting275 Other Service Industries261 Building Construction254 Sports & Recreation Instruction252 Textile & Clothing Industry249 Electrical Industry242 Solar & Photovoltaics238 Retail - Textiles & Clothing237 Specialized Construction Activities226 Catering226 Construction & Project Management221 Trade Fair & Event Organizers216 Specialized Construction Installations215 Timber Construction & Carpentry213

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Energy Suppliers in theCanton of Aargau

50 of 107 companies

Energy Suppliers in the region

Energy Suppliers in other places

Other industries in the Canton of Aargau

Energy Suppliers in the
Canton of Aargau