Energy Suppliers in the
Canton of Solothurn

49 companies in Energy Suppliers based in the Canton of Solothurn — name and year of registration from the commercial register. The list below shows them all.

Companies

All 49 companies in the Canton of Solothurn

Elektra Genossenschaft Holderbank

Since 1906

Electricity supplyGrid accessConnection requests

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eug Elektra Untergäu Genossenschaft

Since 1907

Energy productsGrid productsGrid connection

View profile3.9(7)

Elektra Mümliswil-Ramiswil Genossenschaft

Since 1907

Electricity supplyMultimedia / Cable networkPhotovoltaic systems

View profile5(1)

Genossenschaft Elektra Äusseres Wasseramt EAW

Since 1908

Electricity supplyService connectionConnection of energy generation systems

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Genossenschaft Elektra Thal

Since 1911

Electricity supplyGrid connections and construction power connectionsMetering and billing

View profile4(1)

LANDI RESO, Genossenschaft

Since 1912

AgricultureRetailEnergy

View profile4.1(956)

Genossenschaft ELEKTRA OEKINGEN HALTEN

Since 1913

Electricity and grid usage tariffsFault service / on-call dutyMove notification

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Kernkraftwerk Gösgen-Däniken AG

Since 1973

Nuclear power electricity generationNuclear plant visitTraining for teachers

View profile4.2(225)

SO-ENERGIE AG

Since 1987

Natural gas supplyHeat supplyCustomer service

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SWG

Since 1997

ElectricityHeatWater

View profile3.9(19)

Aare Versorgungs AG (AVAG)

Since 1999

Electricity supplyElectricity supply in the open marketElectricity grid operation and connection

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Aare Energie AG (a.en)

Since 2002

Electricity supplyNatural gas and biogas supplyWater supply

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AEK Pellet AG

Since 2003

Wood pellets (AEK-Pellets®)Pellet heatingPlanning and construction of pellet storage

View profile4.6(8)

trafopower AG

Since 2004

TransformersGrid servicesProducts

View profile4(2)

MEGASOL ENERGIE AG

Since 2004

Photovoltaic solutionsSolar module technologiesBattery storage

View profile4.2(156)

HEnergie Härkingen HEH

Since 2005

Electricity supplyElectricity tariffs and feed-in compensationSelf-consumption communities

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EWD

Since 2005

Electricity supplyWater supplyFibre-optic connections

View profile2.8(8)

EV Energieversorgung Biberist

Since 2005

Electricity supplyDistrict heatingSolar power systems

View profile2.7(7)

Alpiq EcoPower Schweiz AG

Since 2006

Small hydropower projectsPower plant planning, construction and operationParticipation models for municipalities and concession authorities

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Elektra Dulliken AG

Since 2007

Electricity supply

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Städtische Betriebe Olten (SBO)

Since 2009

Electricity supplyWater supplyGas supply

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GEBNET AG

Since 2009

Electricity productsZEV, vZEV and LEGGEBNET self-consumption group

View profile1.3(18)

Energie Kestenholz

Since 2009

Electricity supplyElectricity tariffsQuestions and support for the electricity bill

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Aare-Tessin AG für Elektrizität (Atel)

Since 2009

Energy supplyGrid and safetyGeneration and storage

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Alpiq EcoPower AG

Since 2010

Feasibility studies and concepts for small power plantsPlanning, construction and operation of power plantsParticipation models for municipalities and concession authorities

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Elektrizitätsversorgung Egerkingen

Since 2011

Electricity supplyGrid operation and grid maintenanceConnection services

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Elektrizitätsversorgung Oberbuchsiten

Since 2014

Electricity supplyElectricity tariffs and price overviewsSelf-consumption communities

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Emmenhof Energie AG

Since 2020

Rental of apartments, commercial spaces and office/warehouse premisesDevelopment and conversion of the Emmenhof siteSupplying the site with renewable energy and district heating

View profile4(8)

Energiewirt GmbH

Since 2022

Biomethane contractingBiomethane project developmentTarget agreements and WERZ certification

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Wärmeverbund Schnottwil AG

Since 2023

District heatingBuilding connection to the district heating networkFault contact and technical support

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ThermNet Fulenbach AG

Since 2024

District heating supply

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Nodera AG

Since 2025

Solar system saleTemporary supportSolar system opportunity

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Elektra Wolfwil AG

Since 1906

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Elektra Gretzenbach AG

Since 2007

View profile4.3(6)

Elektra Fulenbach (EFU)

Since 2009

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Nahwärmeverbund Wolfwil

Since 2011

View profile5(1)

Hydrospider AG

Since 2019

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BAWA Biogas GmbH

Since 2005

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Elektra Däniken AG

Since 2007

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Wärme Mittelland AG

Since 2012

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Wärmeverbund Unterramsern AG

Since 2012

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Genossenschaft Wärmeverbund Aetigkofen

Since 2014

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Wärmeverbund Welschenrohr Genossenschaft

Since 2015

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Elektra Niederbuchsiten (ENI)

Since 2015

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Wärmeverbund Aetingen AG

Since 2016

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Genossenschaft Wärmeverbund Herbetswil

Since 2017

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Wärmeverbund Lüterswil-Gächliwil AG

Since 2019

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Wärme Feld, Inhaber Spielmann

Since 2022

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ECSES AG

Since 2025

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Show 37 more companies

Energy Suppliers in the Canton of Solothurn

49Energy SuppliersCommercial register (Zefix) · as of August 26, 2026

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

49in the Canton of SolothurnCommercial 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

Olten6

Place axis

Other industries in the Canton of Solothurn

All companies in the Canton of Solothurn

Property Management482 Restaurants438 Holding Companies386 IT Consulting & Services385 Management Consulting367 Auto Repair Shops338 Real Estate Project Development323 Automotive & Vehicle Trade313 Fiduciary Offices280 Architecture Firms244 Facility Management & Cleaning242 Technical Consulting & Engineering238 Real Estate Brokerage227 Advertising Agencies226 Software Development222 Painting & Plastering216 Horticulture & Landscaping213 Logistics & Transport Companies201 Interior Construction200 Plumbing & Building Services196 Coaching & Personal Development195 Hair Salons193 Online Shops183 Mechanical Engineering Industry177 Flooring & Tiling147 Metal Industry142 Beauty Salons137 Electrical Planning & Installation136 General Contractors133 Metal Construction131 Food Processing130 Repair of Machinery & Electronic Devices129 Retail - Textiles & Clothing119 Building Construction107 Building Maintenance104 Continuing Education Institutes102 Recruitment & HR Consulting99 Other Service Industries98 Catering98 Solar & Photovoltaics96 Joinery94 Electrical Industry94 Wholesale - Machinery & Technical Equipment92 NGOs & NPOs91 Timber Construction & Carpentry91 Construction & Project Management90 Sports & Recreation Instruction87 Physiotherapy87

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Energy Suppliers in theCanton of Solothurn

All 49 companies in the Canton of Solothurn

Energy Suppliers in the region

Energy Suppliers in other places

Other industries in the Canton of Solothurn

Energy Suppliers in the
Canton of Solothurn