Companies in
Energy Suppliers

Heizwerk Uri AG

Energy Suppliers · Attinghausen · Since 2007

Heizwerk Uri AG supplies process heat and space heating to nearby industrial customers and to municipalities. The facility operates biomass boilers, feeds waste heat from on-site electricity production into the district heating network, and runs a heat plant at the Moosbad in Altdorf that serves the swimming pool and adjacent properties.

HEnergie Härkingen HEH

Energy Suppliers · Härkingen · Since 2005

The core activity of HEnergie Härkingen (HEH) is the supply of electricity and the operation of a distribution network for electricity in the Härkingen region. The company is 100% owned by the municipality of Härkingen and offers services such as electricity supply, meter reading, connection and disconnection, as well as fault repair services.

Hohrain AG

Energy Suppliers · Mattstetten · Since 2023

The core activity of Wärmeverbund Hohrain AG is the generation and distribution of district heating using renewable energy sources, in particular through the combustion of wood chips from local forests, supplemented by solar thermal energy and photovoltaics. The company operates a district heating system that supplies various properties with heat from a central energy hub.

Holzenergie Alpthal AG

Energy Suppliers · Alpthal · Since 2022

The core activity of Holzenergie Alpthal AG is the production and distribution of heat energy through the operation of a district heating system based on the combustion of wood residues and shavings.

Holzenergie Delta AG

Energy Suppliers · Walenstadt · Since 2015

The core activity of Holzenergie Delta AG is the generation and distribution of heat energy through the combustion of wood, in particular through the operation of a district heating plant and a district heating pipeline network.

Holzenergiezentrum Toggenburg Genossenschaft

Energy Suppliers · Neu St. Johann · Since 2007

The core activity of Holzenergiezentrum Toggenburg is the generation of energy through the combustion of wood (chip heating) and the distribution of thermal energy to connected customers through a district heating network. The company operates a wood-fired power plant with chip heating and combined heat and power generation, as well as a district heating network that supplies Nesslau and Neu St. Johann.

Holz-Fernwärme Sarnen AG

Energy Suppliers · Sarnen · Since 2017

The core activity of Holz-Fernwärme Sarnen AG is the generation and distribution of heat energy through a district heating plant operated with regionally available fuels such as waste wood and forest wood chips. The company offers a sustainable and CO2-neutral heat supply for public and private buildings in the Sarnen region.

Holzschnitzelheizung Drei Kreuzern AG

Energy Suppliers · Einsiedeln · Since 2003

The core activity of Genossame Dorf-Binzen is the management and utilization of forest and land, including forestry, alpine farming and timber sales. Additionally, the company is also active in the rental of properties and the maintenance of buildings and roads.

Holzwärmegenossenschaft Rafz (HWG)

Energy Suppliers · Rafz · Since 1994

The core activity of Holzwärmegenossenschaft Rafz (HWG) is the generation and distribution of heat energy through the use of wood as a fuel. The company operates a heating plant and maintains a district heating network to supply heat to customers in the Rafz region.

House of Seba Switzerland AG

Technical Consulting & Engineering · Schwyz · Since 2021

House of Seba Switzerland AG is a holding company that brings together firms and teams in applied science and implementation, converting research findings and patents into scalable industrial applications. It develops and applies patented ionization and processing technologies to modify the physical‑chemical properties of media—especially water—with applications in environmental, industrial, agricultural and other biological and technical systems.

Hugenschmidt + Weiss AG, Wärmetechnik

Energy Suppliers · Binningen · Since 1988

Hugenschmidt + Weiss AG, Wärmetechnik provides consultancy, planning and installation of heating and thermal-engineering systems, including hydraulic energy supply and heat recovery for industrial, commercial and residential buildings. The company manufactures components in its own workshop, supervises quality and offers maintenance and emergency services.

Hüsser Energy GmbH

Energy Suppliers · Deisswil B. Münchenbuchsee · Since 2024

Hüsser Energy GmbH invests in the development and expansion of renewable energy sources, including solar, wind, hydropower and geothermal systems, and works to improve their efficiency and reliability. The company sources electricity from Elektra Jegenstorf (100% renewable) and implements measures to reduce CO2 emissions and recycle materials.

Hydrelec GmbH

Technical Consulting & Engineering · Würenlingen · Since 2009

Hydrelec GmbH provides services in hydropower and renewable energy. Its core activities include consulting, project engineering and realization, as well as the planning, construction and refurbishment of hydropower plants.

Hydroelectra AG

Energy Suppliers · St. Gallen · Since 1986

The core activity of SN Energie is the generation, transmission and distribution of electrical energy, particularly through the operation of power plants, photovoltaic systems and other renewable energy sources. The company also provides services in the field of energy trading and energy distribution.

HYDRO Exploitation SA

Energy Suppliers · Sion · Since 2002

HYDRO Exploitation SA provides operation and maintenance services for hydroelectric installations. Its activities include engineering studies, mechanical rehabilitation and workshop manufacturing, automation and control systems, measurement and inspection services, and other specialized maintenance support.

HYDRO-SOI SA

Energy Suppliers · Val-D'Illiez · Since 2005

The core activity of the company "Hydro-Soi" is the generation and distribution of electricity.

IBW Technik AG

Energy Suppliers · Wohlen Ag · Since 2001

IBW Technik AG provides electricity, gas and water supply services and related technical services such as network connections, installation inspections, public lighting, leak detection and geoinformation. Its services also include energy consulting, heat contracting (Wärme‑Contracting), installation solutions (including PV systems and e‑mobility) and a 24‑hour emergency service.

IDREL SA

Energy Suppliers · Baar · Since 2010

The core activity of IDREL SA is the production of renewable energy from domestic hydropower through the operation of hydroelectric power plants.

Idrogen Engiadinais SA

Energy Suppliers · Samedan · Since 2021

The core activity of Idrogen Engiadinais SA is the construction and operation of emission-free and grid-friendly ecosystems around hydrogen in the Engadine region, including the production of hydrogen from renewable energy, the construction of hydrogen refueling stations and the operation of hydrogen ecosystems. The company aims to build a complete hydrogen value chain and infrastructure in the Engadine region.

IG Appenzeller Naturstrom Genossenschaft

Energy Suppliers · Oberegg · Since 2011

The core activity of IG Appenzeller Naturstrom is the production and supply of renewable energy, particularly through the construction and operation of eco-power generation facilities such as photovoltaic, biogas, hydro and wind power plants, with the aim of providing the region with sustainable energy.

IMION AG

Energy Suppliers · Susten · Since 2022

The core activity of IMION AG is the generation, transportation and delivery of heat and cold through thermal networks, providing households and businesses with efficiently produced energy.

Industrielle Betriebe Kloten AG

Energy Suppliers · Kloten · Since 1999

The core activity of Industrielle Betriebe Kloten AG (ibk) is the supply of households and businesses with energy and water, as well as the provision of services in the areas of energy efficiency and environmental protection. Specifically, this includes the delivery of electricity, water, natural gas, and heat, as well as the maintenance of photovoltaic systems, e-charging stations, and fiber optic networks. In addition, the company offers energy consulting, maintenance work, and guided tours.

Industrielle Betriebe Huttwil AG

Energy Suppliers · Huttwil · Since 2002

The core activity of Industrielle Betriebe Huttwil AG (IBH AG) is the safe, sufficient, rational, environmentally friendly and economic supply of its customers with electricity and communication services. This includes in particular: the production and distribution of electricity; the operation and maintenance of power grids and plants; the provision of communication services, including internet, telephony and mobile communications; and the operation and maintenance of communication networks and plants, including cable networks and fiber optic lines.

InfraRoss SA

Energy Suppliers · Rossinière · Since 2021

InfraRoss SA develops, finances and operates technical, energy and sustainable infrastructures to provide public services. The company aims to support the energy transition and achieve local carbon neutrality.

intueri AG

Energy Suppliers · Zurich · Since 2008

intueri AG offers energy solutions that combine solar electricity with hydrogen storage and provides consulting to achieve an independent power supply for residential and mobile uses.

invotas AG

Energy Suppliers · Zollikon · Since 2013

invotas AG develops and manages renewable energy and water treatment projects, delivering services from site acquisition and financing to turnkey construction and operational monitoring. The company provides solar and wind contracting, sourcing support in Taiwan and China, and facilitates investor access to sustainable projects.

iStrom AG

Energy Suppliers · Wohlen Ag · Since 2013

The core activity of iStrom AG is the independent procurement of electricity for energy suppliers and network operators. They bundle electricity quantities and procure them under optimal conditions directly on the market, enabling their customers to have efficient and transparent electricity procurement.

Jura-Energie, Jean Oppliger Sàrl

Energy Suppliers · Le Cerneux-Veusil · Since 2008

The core activity of Jura-Energie is the production and promotion of renewable energies, in particular through the construction and operation of wind turbines, solar cells and solar collectors as well as wood heating systems.

Kasontor AG

Energy Suppliers · Port · Since 2015

Kasontor AG is a system supplier for comprehensive solutions in the field of renewable energies, particularly for wood-fired heating systems and solar thermal energy. The company's core activities include planning, execution, monitoring, commissioning and maintenance of heating systems, including log wood, wood chip and pellet heating systems as well as solar thermal systems.

KAWE AG

Energy Suppliers · Untersiggenthal · Since 2011

The company offers services and products in the development and manufacturing of complex special systems and components for various industrial sectors, including defense and aerospace technology, medical technology, food technology, energy technology, rail technology, electrical engineering, security and building technology. The core activities include: engineering and design of special systems and components, special machine and plant construction, toolmaking and maintenance, mechanics and component manufacturing, sheet metal processing, welding and joining technology, electrical engineering, machining, quality assurance, and the production of storage systems, testing systems and special tools. The company offers a 'one-stop-shop solution' and develops and builds systems and components according to the requirements and specifications of its customers.

Keiser & Heini AG

Energy Suppliers · Hünenberg · Since 2008

Keiser & Heini AG provides consulting, planning, installation and service for heating systems, solar thermal installations and heat pumps. The company installs solar thermal systems, integrates solar support for heating systems and is an official competence partner of Heliotherm heat pumps.

KGW Energie AG

Energy Suppliers · Wikon · Since 2022

The core activity of KGW Energie AG is the generation and distribution of district heating. The company operates a heat network and provides tariff sheets, technical connection regulations and information for interested parties.

Kleinwasserkraftwerk Schwaderhof GmbH

Energy Suppliers · Cham · Since 2007

Kraftwerk Augand AG

Energy Suppliers · Thun · Since 2024

The core activity of Kraftwerk Augand AG is the efficient and innovative generation of energy from hydropower, particularly the production of renewable electricity through the operation of a hydroelectric power plant on the Kander River in Switzerland.

Kraftwerk Burentobel AG

Energy Suppliers · St. Gallen · Since 2007

The core activity of Kraftwerk Burentobel AG is the generation of electrical energy through the operation of two small hydroelectric power plants on the Sitter, namely the Kraftwerk Burentobel and the Kraftwerk Grafenau. The power plants utilize the water power of the Sitter to generate electricity through Kaplan turbines, which is promoted within the framework of the Swiss feed-in tariff.

Kraftwerke Hinterrhein AG

Energy Suppliers · Thusis · Since 1956

The core activity of Kraftwerke Hinterrhein AG (KHR) is the production of electrical energy through the operation of hydroelectric power plants.

Kraftwerke Zervreila AG

Energy Suppliers · Vals · Since 1952

The company's core activity is the production of clean and renewable energy from hydropower, particularly through the operation of power plant facilities and reservoirs, as well as the maintenance and servicing of these facilities to ensure high availability and efficiency.

Kraftwerk Hostetbach AG

Energy Suppliers · Guttannen · Since 2014

The core activity of Kraftwerk Hostetbach AG is the generation of electrical energy through the operation of a power plant.

Kraftwerk Merezenbach AG

Energy Suppliers · Münster Vs · Since 1957

Kraftwerk Merezenbach AG is a hydropower plant that conveys water from the Merezenbach via a pressure pipeline to its turbine. The plant has a gross head of 504 m, a single-jet vertical Pelton turbine with a total capacity of 1900 kVA, and an average annual generation of about 7.5 GWh.

Kraftwerk Ryburg-Schwörstadt AG

Energy Suppliers · Möhlin · Since 1926

The core activity of Kraftwerk Ryburg-Schwörstadt AG is the generation of energy through hydropower. The company operates a hydropower plant on the High Rhine, which with a capacity of 120 MW is the largest hydropower plant on the High Rhine.

Kraftwerk Schächen AG

Energy Suppliers · Bürglen Ur · Since 2016

The Kraftwerk Schächen AG is a power supply company specializing in the generation of electricity through hydropower. It operates a power plant and is involved in energy production and distribution.

Kraftwerk Sernf AG

Energy Suppliers · Schwanden Gl · Since 2007

Kraftwerk Sernf AG is a project company whose purpose is to promote the further expansion of hydropower. It implements projects to develop hydropower plants in the southern Glarus region.

Kraftwerk Täschbach AG

Energy Suppliers · Täsch · Since 1996

The core activity of the company is the management and organization of the municipality of Täsch, including the provision of services, information and resources for citizens, such as education, social affairs, environment, safety, administration and finance.

Kraftwerk Trempel AG

Energy Suppliers · Krummenau · Since 1993

Kraftwerk Trempel AG operates a hydropower plant and manages a former textile factory converted into a commercial and cultural centre. The plant has an installed capacity of 1,800 kW, produces about 8 million kWh annually using two Francis turbines, and feeds its electricity into the national grid.

Kraftwerk Urnäschtobel AG

Energy Suppliers · Urnäsch · Since 1995

Kraftwerk Urnäschtobel AG operates a small hydropower plant that converts flowing water into renewable electricity. The facility has an installed capacity of more than 300 kW and typically generates about 1.7 million kWh per year; the catchment area is roughly 63 km², with an average turbine flow of 2.85 m³/s and a mandated residual flow of 240 L/s.

kwick SA

Energy Suppliers · Locarno · Since 2023

The core activity of kwick energy is the sale of electricity to companies and private individuals in Switzerland. They offer various tariffs and models, including renewable energies, and enable customers to manage their energy contracts online.

KWOG Kraftwerke Obergoms AG

Energy Suppliers · Obergesteln · Since 2009

The core activity of KWOG Kraftwerke Obergoms AG is the generation of electrical energy through the use of hydroelectric power plants, in particular by harnessing the water forces of the Gerewasser-Gonerli and the Rhone.