Energy producer in the
Canton of Thurgau

88 companies in Energy producer based in the Canton of Thurgau — name and year of registration from the commercial register.

Companies

50 of 88 companies

EW Sirnach AG Logo

EW Sirnach AG

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.

Energy producerElectricity supplyWater supplyCommunication network / fibre-optic network
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Technische Betriebe Weinfelden AG Logo

Technische Betriebe Weinfelden AG

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.

Energy producerElectricity productsDistrict heating for WeinfeldenDrinking water
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
Regiotherm AG Logo

Regiotherm AG

Since 2001 · 11–20 empl.4.3(15)

Regiotherm AG operates and maintains gas infrastructure and supplies end users with natural gas and biogas. It advises on energy and heating solutions, plans and installs heating systems including heat pumps and hybrid systems, and provides maintenance, repair and network services.

Energy producerGas supplyGrid construction & maintenancePlan information & utility line
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #3
EKT AG Logo

EKT AG

Since 1912 · 101–500 empl.5.0(4)

EKT AG ensures electricity supply through its medium-voltage grid and provides energy utilities with network construction and operational services. The company plans energy generation facilities, delivers heating and cooling systems, and operates fibre-optic and data centre infrastructure.

Energy producerConnectivityNetwork Engineering & OperationsDatacenter / Rack Space
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #4
Bioenergie Frauenfeld AG Logo

Bioenergie Frauenfeld AG

Since 2021 · 11–20 empl.4.2(11)

Bioenergie Frauenfeld AG operates a wood-fired combined heat and power plant that converts regional waste wood into charcoal through pyrolysis. The process also produces renewable electricity and heat, which are supplied to electricity and heating networks.

Energy producerGeneration of green electricityProvision of district heatProduction of charcoal / biochar
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Genossenschaft EW Münchwilen (EWM) Logo

Genossenschaft EW Münchwilen (EWM)

Since 1905 · 11–20 empl.

Genossenschaft EW Münchwilen (EWM) supplies customers with electricity, drinking water and communication services. The cooperative owns and operates the necessary distribution infrastructure and is expanding its communications network into a fibre-optic network.

Energy producerElectricity supplyElectricity productsTHURGIE energy products
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
Elektrizitätsgenossenschaft Gehrau-Häusern Logo

Elektrizitätsgenossenschaft Gehrau-Häusern

Since 1911 · 1–10 empl.

The core activity of the company "Elektrizitäts-Genossenschaft Gehrau-Häusern" is the supply of households and businesses with electricity within its supply area, as well as the provision of fiber optic connections for digital services such as television, radio, internet and telecommunications.

Energy producerElectricity supply
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Elektrizitätsgenossenschaft Brüschwil-Sonnenberg Logo

Elektrizitätsgenossenschaft Brüschwil-Sonnenberg

Since 1913 · 1–10 empl.

Elektrizitätsgenossenschaft Brüschwil-Sonnenberg operates local electricity supply and network management. It is responsible for providing electricity to the hamlets Brüschwil, Sonnenberg, Chatzerüti and Chappehuse and publishes tariffs and customer information.

Energy producerElectricity supply
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
Elektra Steinebrunn Logo

Elektra Steinebrunn

Since 1913 · 1–10 empl.

Elektra Steinebrunn is an energy cooperative that supplies customers under its basic service with renewable electricity from hydropower. It also offers optional products made with energy produced in Thurgau, including solar power, small hydropower and biomass.

Energy producerElectricity supply in basic supplyNaturstrom productsTechnical regulations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
Genossenschaft Elektrizitäts- und Wasserwerk Dozwil Logo

Genossenschaft Elektrizitäts- und Wasserwerk Dozwil

Since 1960 · 1–10 empl.

Genossenschaft Elektrizitäts- und Wasserwerk Dozwil supplies its members and other customers with electricity and drinking water. It also handles enquiries about fibre-optic connections (FTTH).

Energy producerElectricity supplyWater supplyFTTH connection
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
Genossenschaft EW Romanshorn Logo

Genossenschaft EW Romanshorn

Since 2003 · 21–50 empl.

Genossenschaft EW Romanshorn supplies members and other customers with electricity and water. It operates its own distribution networks, treats water from Lake Constance to produce drinking water, and provides services related to energy and water.

Energy producerElectricity supplyWater supplyPhotovoltaics
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
Energy Financing Team (Switzerland) AG Logo

Energy Financing Team (Switzerland) AG

Since 2003 · 101–500 empl.

The core activity of EFT Group is energy trading and investment, particularly in the field of electricity generation and trading in Central and Southeastern Europe. The company trades electricity on various markets, including forward, day-ahead and intra-day markets, and invests in the development of renewable energy sources.

Energy producerElectricity tradingEnergy products and structured supply contractsGeneration of renewable energy
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
esolva ag Logo

esolva ag

Since 2005 · 51–100 empl.

esolva ag provides services to energy utilities and industrial companies in engineering, electrical safety, meter-to-cash, finance and ICT. Its activities include distribution network planning and maintenance, meter management, energy and metering data services, and IT and security services.

Energy producerMeter data managementEnergy data managementBilling & customer centre
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
EKT Energie AG Logo

EKT Energie AG

Since 2007 · 11–20 empl.

EKT Energie AG provides services for electricity procurement and marketing. Its offer includes strategic purchasing, portfolio management in spot and balancing markets, and support with electricity product mixes and guarantees of origin.

Energy producerStrategic Power ProcurementPortfolio ManagementEcology / HKN
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
Genossenschaft Werk Bichelsee-Balterswil Logo

Genossenschaft Werk Bichelsee-Balterswil

Since 2010 · 1–10 empl.

Genossenschaft Werk Bichelsee-Balterswil supplies households, businesses and industry with electricity and provides water services. It also operates a fibre-optic network for internet, multimedia and other telecommunications services.

Energy producerElectricityWaterFibre-optic network
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
Genossenschaft Solar Regio Weinfelden Logo

Genossenschaft Solar Regio Weinfelden

Since 2010 · 1–10 empl.

Genossenschaft Solar Regio Weinfelden builds and operates photovoltaic installations that generate solar electricity for the public grid. It promotes the use of renewable energy and offers members an initial consultation on their own solar installations.

Energy producerSolar power generationSolar power supplyBecome a cooperative member
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
Energie Horn AG Logo

Energie Horn AG

Since 2010 · 1–10 empl.

Energie Horn AG operates a wood-chip-fired district heating network, generating heat centrally from wood. It supplies heat for heating and hot water to homes and businesses in Horn and Tübach, and arranges connections to the network.

Energy producerDistrict heatingDistrict heating connectionConsulting on heat supply
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
esolva ag, Zweigniederlassung Arbon Logo

esolva ag, Zweigniederlassung Arbon

Since 2013 · 11–20 empl.

esolva ag, Zweigniederlassung Arbon provides services to energy suppliers and industrial businesses. Its activities include engineering and network planning, electrical safety, meter and energy data management, Meter-to-Cash services, finance and ICT.

Energy producerEngineeringMeter data managementEnergy data management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
Genossenschaft Elektra Hatswil Logo

Genossenschaft Elektra Hatswil

Since 1909 · 1–10 empl.

Genossenschaft Elektra Hatswil is an electricity utility that supplies Chressibuech, Hatswil, Moos and Moosmühle, as well as Tohueb and Chällershof, with electricity.

Energy producerElectricity pricesFeed-in tariffsMachine tariff
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #19
Genossenschaft Elektra Roggwil-Freidorf Logo

Genossenschaft Elektra Roggwil-Freidorf

Since 2019 · 1–10 empl.

Genossenschaft Elektra Roggwil-Freidorf supplies its members and subscribers with electricity. It builds and maintains the necessary technical infrastructure and can provide energy advice and planning; its service area includes Roggwil and Freidorf.

Energy producerPower supplyElectricity tariffsFaults and helpline service
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #20
Arbon Energie AG Logo

Arbon Energie AG

Since 2001 · 21–50 empl.3.2(9)

Arbon Energie AG supplies households and businesses with electricity, drinking water and local heating, operating the corresponding networks and a lake waterworks. It also provides fibre-optic and telecommunications services as well as energy advice.

Energy producerElectricity supplyDrinking water supplyHeat networks
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #21
Kilowatt24 AG Logo

Kilowatt24 AG

Since 2021 · 11–20 empl.5.0(3)

The core activity of GENNO (Kilowatt24 AG) is the development, manufacture and distribution of emergency power solutions, particularly generators and power units, as well as the provision of services such as maintenance, service and consulting in the field of emergency power supply.

Energy producerPower GeneratorsMobile Power GeneratorsSuperSilent Power Generators
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #22
Elektra Kesswil Logo

Elektra Kesswil

Since 1911 · 1–10 empl.3.4(5)

The core activity of the company is the management and administration of the political municipality of Kesswil, including the provision of services and information to citizens as well as the management of municipal affairs.

Energy producerElectricity supplyEnergy advice
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #23
Technische Gemeindebetriebe Bischofszell Logo

Technische Gemeindebetriebe Bischofszell

Since 2020 · 21–50 empl.3.5(8)

Technische Gemeindebetriebe Bischofszell supplies customers with electricity and drinking water and operates district heating services. It also manages the wastewater treatment plant and provides services to utilities, municipal works and local authorities, including metering, billing, and electricity and water network operations and maintenance.

Energy producerElectricity supplyWater supplyDistrict heating
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #24
wattss AG Logo

wattss AG

Since 2024 · 11–20 empl.

wattss AG develops, plans, finances and operates battery storage projects. Its services include large-scale storage for energy providers, infrastructure and industry, as well as modular storage solutions for commercial, industrial and real estate applications.

EngineerUtility-scale battery storageModular battery storageFinancing and investments
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #25
LST Energie AG Logo

LST Energie AG

Since 2022 · 11–20 empl.

LST Energie AG is an association of municipal electricity utilities that supplies electricity to households and businesses. It serves the municipalities of Lommis, Stettfurt and Thundorf, offers electricity products from renewable sources, and supports photovoltaic power and shared models for using and billing solar electricity.

Energy producerPower supplyLST Solar 100LST Solar 50
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #26
Elektra-Genossenschaft Sommeri Logo

Elektra-Genossenschaft Sommeri

Since 1911 · 11–20 empl.4.0(1)

The core activity of the company is the public administration and service for the municipality of Sommeri, including the supply of water and electricity, waste management, building administration, resident services, civil registry office, tax office, social services and other municipal tasks.

Energy producerElectricity supply
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #27
eSpectrum AG Logo

eSpectrum AG

Since 2022 · 11–20 empl.

eSpectrum AG develops and supplies battery storage systems and energy management systems for decentralised power supply. Its services include analysis and consulting, project planning and implementation, and system maintenance and support.

Energy producerLarge battery storage systemseEMSeCube
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #28
BIMA Energie AG Logo

BIMA Energie AG

Since 2015 · 11–20 empl.3.2(13)

BIMA Energie AG processes organic waste and residual materials, particularly animal by-products, in a biogas plant. It produces upgraded biomethane for injection into the gas network, as well as liquid and solid biofertiliser.

Energy producerBiogas production from organic residues and animal by-productsDisposal and recovery of organic residuesRecycling fertiliser from digestate
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #29
Elektra Horn AG Logo

Elektra Horn AG

Since 2013 · 1–10 empl.5.0(1)

Elektra Horn AG operates the electricity network and supplies the municipality of Horn with electricity. With its partners, the company also supports fibre-optic network infrastructure and provides energy advice on efficiency, renewable energy and building solutions.

Energy producerElectricity supplyFibre opticsEnergy consulting
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #30
Elektra-Genossenschaft Homburg Logo

Elektra-Genossenschaft Homburg

Since 1978 · 1–10 empl.3.7(3)

Elektra-Genossenschaft Homburg operates and maintains the electricity distribution network in the municipality of Homburg and supplies customers with electricity. It sells electricity and also handles permits for photovoltaic installations.

Energy producerElectricity supplyElectricity grid operationElectricity tariffs
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #31
Geothermie Thurgau AG Logo

Geothermie Thurgau AG

Since 2024 · 1–10 empl.

Geothermie Thurgau AG conducts geological prospecting and data collection as part of the TEnU 2030 project to generate baseline information for deep geothermal use. It compiles and publishes subsurface data (deeper than 400 m) to support evaluation of potential for heat and power production, deep groundwater, heat storage, reservoirs and CO2 sequestration.

Energy producerExploration and development of deep geothermal energyGeophysical surveys and seismic measurementsSite selection for exploration drilling
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #32
Thurgie AG Logo

Thurgie AG

Since 2000 · 1–10 empl.2.0(1)

Thurgie AG brings together products and services from five electricity utilities and supplies customers with electricity. Its offerings include electricity products, energy advice, self-consumption solutions, renewable electricity and electric mobility.

Energy producerElectricity products (THURGIE Blau, THURGIE Grün, THURGIE Grau)THURGIE Energy consultingSelf-consumption association (ZEV and vZEV)
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #33
Regio Energie Amriswil (REA) Logo

Regio Energie Amriswil (REA)

Since 2015 · 21–50 empl.2.6(10)

Regio Energie Amriswil (REA) supplies customers with electricity, gas, drinking water and heat, and operates cable and fibre-optic networks. Partner companies provide communications services over this infrastructure, while a local heating network delivers heat generated mainly from used and residual wood.

Energy producerElectricity supplyWater supplyGas supply
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #34
Wärme Bischofszell-Sittertal AG Logo

Wärme Bischofszell-Sittertal AG

Since 2022 · 11–20 empl.3.5(8)

Wärme Bischofszell-Sittertal AG operates a district heating network for the production and distribution of thermal energy. Its heating plant recovers heat from treated wastewater and supplies connected properties through the network.

Energy producerDistrict heating (Wärmeverbund Bischofszell-Sittertal)
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #35
AVIA VOLT Suisse AG Logo

AVIA VOLT Suisse AG

Since 2023 · 11–20 empl.3.0(2)

AVIA VOLT Suisse AG plans, supplies, installs and operates charging infrastructure for properties, businesses, public locations and logistics companies. Its services and products include charging stations, charging cards, billing, consulting, battery storage, operation and maintenance.

Energy producerCharging solutionsCharging cardCharging network
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #36
Holz-Pelletheizungen Holzbock Logo

Holz-Pelletheizungen Holzbock

Since 2025 · 1–10 empl.

Holz-Pelletheizungen Holzbock is ATMOS’s Swiss representative and sells wood-gasification boilers, pellet boilers and combination boilers. Its services also include consultation, heating-system planning, installation, commissioning and maintenance.

Energy producerWood Gasification BoilersPellet BoilersWood/Pellet Combination Boilers
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #37
Energie Münchwilen AG Logo

Energie Münchwilen AG

Since 2013 · 1–10 empl.2.0(4)

Energie Münchwilen AG operates district heating networks in Münchwilen, Eschlikon and the Murgtal area, supplying heat to connected buildings. In Münchwilen, it uses a wood-chip heating plant, among other facilities.

Energy producerDistrict heating network MünchwilenDistrict heating network EschlikonService / Faults
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #38
K51 Asset Safe Imhofbio Logo

K51 Asset Safe Imhofbio

Since 2025 · 1–10 empl.

K51 Asset Safe Imhofbio combines high performance computing with the use of waste heat to provide fossil-free heat. The company offers solutions for greenhouse, hotel and industrial applications as well as HPC cloud services.

Energy producerHPC CloudFossil-free Heat
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #39
K51 Asset Safe Meier Gemüse Logo

K51 Asset Safe Meier Gemüse

Since 2025 · 1–10 empl.

K51 Asset Safe Meier Gemüse develops and operates high performance computing (HPC) solutions designed to use computing capacity for generating fossil-free heat. The company combines computing, renewable energy and heat recovery for applications such as greenhouses, hotels and industrial facilities.

Energy producerFossil-free HeatHPC Cloud
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #40
Genossenschaft Energie Fischingen Logo

Genossenschaft Energie Fischingen

Since 2021 · 1–10 empl.3.0(1)

The company is an energy and communications service provider offering electricity, water, and fiber-optic internet services. The core activities include providing energy and water supply, managing electricity and water tariffs, promoting energy efficiency, and providing fiber-optic internet services.

Energy producerElectricity supplyNaturstromDrinking water supply
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #41
Wymaro GmbH Logo

Wymaro GmbH

Since 2007 · 1–10 empl.

Wymaro GmbH operates a gas supply business under Pangas Gas & More and trades in gases and technical equipment. Its range includes propane, industrial and medical gases, helium, liquid nitrogen, refrigerants, dry ice, gas accessories, grills and welding supplies.

Energy producerGas cylinders and gas supplyGas accessories and welding suppliesGrills and grill equipment
No score yet
Megawatt Energie AG Logo

Megawatt Energie AG

Since 2023 · 1–10 empl.

Megawatt Energie AG offers businesses an energy subscription for backup power using emergency generators. The service includes making generators available, as well as storage, maintenance, testing and repairs.

Energy producerEnergy supply plan
No score yet
Egnacher Elektra Genossenschaft Logo

Egnacher Elektra Genossenschaft

Since 1915 · 1–10 empl.

The core activity of the company 'Genossenschaft Elektra Neukirch-Egnach' is the supply and distribution of electricity, including the provision of electricity products, e-charging stations, backup power supply and electricity labeling, as well as the performance of house installation checks and the processing of connection requests.

Energy producer
No score yet
STROMWERKER AG Logo

STROMWERKER AG

Since 2019 · 1–10 empl.

The core activity of STROMWERKER AG is the provision and distribution of green energy.

Energy producer
No score yet
ES

Elektra St. Pelagiberg

Since 1959 · 1–10 empl.

Energy producer
No score yet
VE

Veer Energy Europe AG

Since 1979 · 1–10 empl.

Energy producer
No score yet
GE

Genossenschaft Elektra Vogelsang

Since 1983 · 1–10 empl.

Energy producer
No score yet
GD

Genossenschaft der Holzschnitzelfeuerung Eschikofen

Since 1994 · 1–10 empl.

Energy producer
No score yet
HA

Heizgenossenschaft Affeltrangen

Since 1994 · 1–10 empl.

Energy producer
No score yet

Energy producer in the Canton of Thurgau

88Energy producerCommercial register (Zefix) · as of November 7, 2026
2012Median year of registrationCommercial register (Zefix) · as of November 7, 2026
88in the Canton of ThurgauCommercial register (Zefix) · as of November 7, 2026
1,614in SwitzerlandCommercial register (Zefix) · as of November 7, 2026
Locations

Energy producer in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 7, 2026