Energy Suppliers in the
Canton of St. Gallen

63 companies in Energy Suppliers based in the Canton of St. Gallen — name and year of registration from the commercial register.

Companies

50 of 63 companies

Elektrizitätswerk Jona-Rapperswil AG

Since 1902

Electricity productsSolar photovoltaicGrid services

View profile4(21)

Elektrizitätswerk Sennwald Genossenschaft

Since 1911

Electricity supplyElectrical installations / industrial solutionsSpeed Net Sennwald network

View profile4.8(21)

Elektra Gams Genossenschaft

Since 1921

Electricity supplyElectricity tariffsFibre-optic network

View profile4.4(11)

Elektrizitätswerk Uznach AG

Since 1941

Electricity supplyPhotovoltaicsBattery storage

View profile4.4(7)

Elektrizitätsversorgung Kaltbrunn AG

Since 1947

Electricity supplyGas supplySmart Energy

View profile5(5)

Elektrizitätswerk Schmerikon AG

Since 1947

Electricity supplyRenewable electricity productsEnergy products for market customers

View profile4.5(8)

Elektro-Genossenschaft Ulisbach

Since 1950

Electricity supplyHouse connectionsPhotovoltaic systems

View profile1(2)

Ingenieurteam IFE AG

Since 1984

PhotovoltaicsEVU consultingGeneral contracting

View profile5(6)

Hydroelectra AG

Since 1986

Electricity generation from small hydropower

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Fernheizung Breite AG

Since 1991

District heating supplyDistrict heating pipeline network

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EVS AG

Since 1992

Gas energyBiogasWater / pipeline construction

View profile5(1)

Kraftwerk Trempel AG

Since 1993

Hydropower generationLetting of commercial and cultural spaces

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Heller AG Kälte-Energie-Technik

Since 1993

Commercial refrigerationIndustrial refrigerationVehicle cooling

View profile4.9(9)

Energie Zürichsee Linth AG

Since 1999

District heatingGas and biogasEnergy consulting

View profile4.9(7)

CRE & ART Barbara Berchtold

Since 1999

Regulation of electricity and gas marketsDispute resolution and sanctions (CoRDiS)Deliberations

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Thurwerke AG

Since 2001

ElectricityWaterCommunication

View profile4.8(6)

rwt Regionalwerk Toggenburg AG

Since 2001

Electricity supplyWater supplyDistrict heating

View profile4(8)

EVS Energieversorgung Schänis AG

Since 2002

Electricity supplyNatural gas supplyPhotovoltaics

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FLAGA Suisse GmbH

Since 2003

Bottled gas / gas cylindersGas tanks / gas in tanksService and installation

View profile3.7(27)

Natur Energie Kaltbrunn AG

Since 2005

Small hydropower plants Wilen and BruggmühleLocal electricity communities (LEG)Smart Energy

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Energie Rheintal AG

Since 2005

District heatingWaste heat utilisationWood intake

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Uze Energie AG

Since 2006

Real estate developmentProperty managementCaretaking and grounds services

View profile4.4(17)

Broder Erdwärme GmbH

Since 2006

Geothermal borehole probesConnecting pipesPrefabricated garages

View profile4(5)

Rhy Biogas AG

Since 2007

Biogas upgrading and injection into the gas gridAcceptance of organic waste materialsWaste disposal and anaerobic digestion of green waste and kitchen waste

View profile3.5(2)

Holzenergiezentrum Toggenburg Genossenschaft

Since 2007

District heating Nesslau–Neu St. JohannWood-fired power plant with wood-chip boilerHeat and power cogeneration

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Kraftwerk Burentobel AG

Since 2007

Electricity generation from small hydropower

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St. Gallisch-Appenzellische Kraftwerke AG

Since 2009

Electricity supplySolar photovoltaicsHeating solutions

View profile3.9(7)

toggenburg energie finanz ag

Since 2010

Energy consultingEnergy & sustainability trainingEnergy project and site development

View profile4.5(4)

Meier Energietechnik

Since 2010

Building servicesAdvisoryControllers, automation

View profile4(1)

gommisWALDKraft AG

Since 2011

Heat supply with wood-chip heatingDistrict heating networkMeter reading

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ENG, Erneuerbare Energie-Nutzungsgesellschaft AG

Since 2011

New-build and refurbishment of power plantsOperation of power plants

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SN Erneuerbare Energie AG

Since 2012

Electricity market monitorElectricity portfolio managementHKN portfolio management

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el-consult ag

Since 2012

Planning and implementation of electricity and data supply networksNetwork consulting, analysis and security conceptsMetering services, meter register and installation checks

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MSM Energie GmbH

Since 2013

ApartmentsHeat contracting

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Wärmeverbund Rüthi AG

Since 2013

Renting of apartments and commercial premisesLease of arable land and allotment gardensForest management

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Holzenergie Delta AG

Since 2015

District heating / heat networkHeat generation with wood chip firing

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Alpa Fernwärme AG

Since 2019

District heating modules24-hour on-call service

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Wasserstoffproduktion Ostschweiz AG

Since 2019

Hydrogen productionHydrogen fueling stationsTours of hydrogen production

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Murg Flums Energie

Since 2020

Electricity supplyWater supplyEnergy production

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see energie ag

Since 2021

District heating from Lake Constance waterEnergy supplyFree Cooling

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Pizol Energie AG

Since 2021

District heatingHeat generation from wood chips

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Wärmeverbund Kaltbrunn AG

Since 2024

District heating network Kaltbrunn AG

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Säntis Energie AG

Gas supplyBiogasHeating and energy solutions

View profile4.8(6)

Martin Zeller AG, Elektrizitätswerk

Since 1979

View profile4.8(6)

GRAVAG Energie AG

Since 1979

View profile2.4(8)

Technische Betriebe Flawil (TBF)

Since 2016

View profile3(2)

Elektrogenossenschaft Moos-Dieselbach

Since 1930

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THURPOWER AG

Since 2002

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EnergiNova AG

Since 2006

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Wärme Nassen GmbH

Since 2006

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Show 38 more companies

Energy Suppliers in the Canton of St. Gallen

63Energy SuppliersCommercial register (Zefix) · as of August 26, 2026

2008Median year of registrationCommercial register (Zefix) · as of August 26, 2026

63in the Canton of St. GallenCommercial 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

Jona7 St. Gallen6

Place axis

Other industries in the Canton of St. Gallen

All companies in the Canton of St. Gallen

Restaurants1,120 Property Management1,024 Management Consulting966 Real Estate Project Development785 IT Consulting & Services780 Auto Repair Shops726 Fiduciary Offices701 Holding Companies672 Technical Consulting & Engineering628 Software Development568 Advertising Agencies555 Automotive & Vehicle Trade518 Architecture Firms498 Facility Management & Cleaning480 Real Estate Brokerage473 Online Shops450 Painting & Plastering444 Interior Construction436 Mechanical Engineering Industry433 Coaching & Personal Development432 Hair Salons430 Plumbing & Building Services419 Food Processing417 Electrical Planning & Installation354 Logistics & Transport Companies352 Timber Construction & Carpentry330 Metal Construction324 Horticulture & Landscaping321 Flooring & Tiling308 Textile & Clothing Industry294 Beauty Salons279 Retail - Textiles & Clothing269 General Contractors262 Repair of Machinery & Electronic Devices257 Joinery254 Building Maintenance247 Building Construction245 Recruitment & HR Consulting234 Solar & Photovoltaics229 Retail - Food & Luxury Items228 Other Service Industries227 Continuing Education Institutes226 Civil Engineering225 Retail - General Specialty Trade217 Sports & Recreation Instruction214 NGOs & NPOs213 Wholesale - Machinery & Technical Equipment212 Retail - Bicycles & Sports Equipment207

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Energy Suppliers in theCanton of St. Gallen

50 of 63 companies

Energy Suppliers in the region

Energy Suppliers in other places

Other industries in the Canton of St. Gallen

Energy Suppliers in the
Canton of St. Gallen