Energy Suppliers in the
Canton of Aargau

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

Companies

50 of 139 companies

Axpo Power AG

Since 1907

Generation & DistributionEnergy SolutionsDigital Solutions

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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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Genossenschaft Elektra Ehrendingen

Since 1910

Electricity Supply and Grid OperationGreen Electricity ProductsFeed-in Tariff

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Elektrizitäts-Genossenschaft Benzenschwil

Since 1910

Electricity supplyNaturstromPhotovoltaic systems

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Genossenschaft ELEKTRA Fislisbach

Since 1911

Electricity SupplyNetwork Connection and Installation ApprovalGrid Operation and Maintenance

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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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Elektrizitätsversorgung Geltwil

Since 1950

Electricity supply

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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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Kernkraftwerk Leibstadt AG

Since 1973

Electricity generationRadioactive waste disposalVisitor centre

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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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Axpo Systems AG

Since 1992

Electricity supplyNatural gas supplyOrigination

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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 Kraftwerk AG

Since 2000

Power plant operation and electricity productionGrid operation and grid servicesElectricity supply

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Eniwa AG

Since 2000

ElectricityGasHeating and cooling supply

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Westfalen Gas Schweiz GmbH

Since 2001

GasesServicesAccessories + supply systems

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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

View profile4.2(31)

StWZ Erdgas und Fernwärme AG

Since 2001

Natural gasBiogasNatural gas/biogas mobility

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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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SWL Energie AG

Since 2002

ElectricityGas energyDistrict heating

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Verband Schweizerischer Elektrizitätsunternehmen (VSE)

Since 2003

Representation of the power industryMembershipVocational training

View profile4.5(11)

Energy Suppliers in the Canton of Aargau

139Energy SuppliersCommercial register (Zefix) · as of September 23, 2026

2009Median year of registrationCommercial register (Zefix) · as of September 23, 2026

139in the Canton of AargauCommercial register (Zefix) · as of September 23, 2026

1,553in SwitzerlandCommercial register (Zefix) · as of September 23, 2026

Locations

Energy Suppliers in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 23, 2026

Largest places

Aarau9 Baden6

Place axis

Other industries in the Canton of Aargau

All companies in the Canton of Aargau

Property Management2,360 Management Consulting1,892 IT Consulting & Services1,678 Holding Companies1,563 Real Estate Project Development1,562 Restaurants1,369 Technical Consulting & Engineering1,184 Real Estate Brokerage1,101 Auto Repair Shops1,065 Automotive & Vehicle Trade1,029 Fiduciary Offices956 Software Development935 Coaching & Personal Development915 Facility Management & Cleaning900 Online Shops896 Advertising Agencies795 Logistics & Transport Companies735 Painting & Plastering692 Architecture Firms688 Building Maintenance652 Horticulture & Landscaping623 Wholesale - General Specialty Trade614 Other Service Industries593 Plumbing & Building Services586 General Contractors558 Interior Construction551 Trade Fair & Event Organizers539 Hair Salons538 Electrical Planning & Installation532 Construction & Project Management516 Mechanical Engineering Industry505 Food Processing471 Beauty Salons444 Wholesale - Machinery & Technical Equipment433 Flooring & Tiling426 Catering420 Repair of Machinery & Electronic Devices409 Continuing Education Institutes406 Building Construction394 Recruitment & HR Consulting393 Metal Construction364 Retail - Food & Luxury Items334 Retail - General Specialty Trade330 Retail - Textiles & Clothing315 Solar & Photovoltaics301 Sports & Recreation Instruction299 NGOs & NPOs294 Wholesale - Food & Luxury Items284

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Energy Suppliers in theCanton of Aargau

50 of 139 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