Energy producer in the
Canton of Vaud

SOGEBOIS S.A.

Since 2000 · 1–10 empl.

SOGEBOIS S.A. operates a district heating network and supplies connected buildings with heat from a wood-fired heating plant. The company offers connections to its network.

Energie Ouest Suisse (EOS) SA

Since 2010 · 101–500 empl.

Energie Ouest Suisse (EOS) SA is a strategic holding company that coordinates and represents the interests of its shareholders and manages investments and holdings in the energy sector. Its activities include developing renewable energy production abroad—primarily onshore wind and ground-mounted solar—operating subsidiaries for these assets, managing its stake in Alpiq Holding and financing deep geothermal projects.

CADOUEST SA

Since 2011 · 11–20 empl.

CADOUEST SA builds, operates and maintains a district heating network and distributes and sells heat. Heat is recovered, among other sources, from waste incineration and wastewater treatment, and the network serves municipalities in the west of the Lausanne agglomeration.

EnergeÔ SA

Since 2016 · 11–20 empl.

EnergeÔ SA develops geothermal projects to explore and use heat from the subsurface. Its work includes surveying geological resources and assessing ways to supply the resulting heat locally.

LaZur Energie SA

Since 2017 · 11–20 empl.

LaZur Energie SA plans, finances, builds and operates renewable heating and cooling systems. It supplies energy to buildings and develops thermal networks for municipalities, providing technical planning as well as operation and maintenance of energy infrastructure.

AGEPP SA

Since 2017 · 11–20 empl.

AGEPP SA develops a hydrothermal geothermal project to use underground heat for electricity and heat production. The heat is intended, among other uses, to supply the Bains de Lavey with thermal water and energy.

ThermorésÔ SA

Since 2017 · 1–10 empl.

ThermorésÔ SA trades in thermal energy and other fluids from renewable sources, particularly geothermal energy. Its activities include using natural heat from underground sources.

Bel Coster SA

Since 2018 · 11–20 empl.

Bel Coster SA operates in the wind energy sector. The Bel Coster wind farm project comprises nine planned turbines on the Suchet ridge, intended to produce renewable electricity for the canton of Vaud.

EolJorat Nord SA

Since 2018 · 1–10 empl.

The core activity of Alpiq encompasses the trading and management of energy, including: * Generation of energy from various sources such as hydroelectric power, wind energy, solar energy, thermal power plants, battery storage systems and hydrogen * Trading in electricity and gas * Provision of structured solutions, energy certificates and derivatives * Risk and portfolio management * Origination and asset management * Energy management and renewable energy management * Electricity and gas supply. The company operates in various European countries and has its headquarters in Switzerland.

e-sunpark swiss SA

Since 2018 · 1–10 empl.

e-sunpark swiss SA develops and sells photovoltaic solar shelters for cars, bicycles and other vehicles, designed for local electricity generation and electric-vehicle charging. Its services also include charging solutions, maintenance and monitoring, and software for managing, booking and sharing vehicles.

Arnon Energie SA

Since 2019 · 1–10 empl.

Arnon Energie SA is responsible for building and operating a small hydroelectric power plant on the Arnon. The plant uses a water intake, a penstock and a Pelton turbine to generate renewable electricity.

Y-CAD SA

Since 2020 · 11–20 empl.

Y-CAD SA studies, builds and operates distribution networks and production facilities for thermal energy, particularly district heating and cooling. It develops and manages thermal networks, using mainly local renewable energy sources.

EcuCAD SA

Since 2021 · 11–20 empl.

EcuCAD SA develops a district heating network that produces heat centrally and distributes it to connected buildings through underground pipes. Wood is used as a renewable energy source.

C4E DAO AG

Since 2023 · 11–20 empl.

The company C4E DAO AG (Chain4Energy) develops and operates a blockchain infrastructure for the energy market, with the goal of enabling a decentralized energy future. The core activities include: Developing solutions for the digital capture and trading of renewable energies; Creating decentralized energy communities and peer-to-peer energy trading platforms; Developing products and services for electromobility, such as a global EV charging network; Providing blockchain-based solutions for the energy industry, including decentralized energy certificates and energy tracking systems.

tera solar sa, succursale de Vaud

Since 2024 · 1–10 empl.·5.0(16)

tera solar sa, succursale de Vaud provides turnkey photovoltaic and renewable-energy solutions for households and businesses. Its services include solar panel installations, battery storage, electric-vehicle charging stations, solar carports, contracting and collective self-consumption solutions.

Energie 360 Grad SA, succursale de Lausanne

Since 2024 · 51–100 empl.

Energie 360 Grad SA, succursale de Lausanne provides sustainable energy and mobility solutions. Its services include integrated energy systems, thermal networks, solar installations, biogas, electric mobility and energy services for property owners, businesses, municipalities and households.

Agrogaz Lignerolle SA

Since 2012 · 1–10 empl.·5.0(5)

Agrogaz Lignerolle SA presents services and information related to electricity, solar power, charging infrastructure, and district heating. The website also covers the electricity network, energy production, and other energy-related topics.

Cadcime SA

Since 1993 · 11–20 empl.·4.8(4)

Cadcime SA recovers waste heat from industrial processes and uses it to supply buildings through a district heating network. The company builds, operates and maintains the network and its heat transfer stations.

Moudon Energies SA

Since 2022 · 1–10 empl.

Moudon Energies SA operates the district-heating service in Moudon. It serves property owners and owners of condominium apartments who wish to explore connecting their buildings.

ThermorésÔ Nyon SA

Since 2021 · 11–20 empl.

ThermorésÔ Nyon SA develops and operates a district heating network that supplies buildings with heat and hot water. Heat is produced mainly from local renewable sources such as wood chips; the company also manages building connections, installation and maintenance of the equipment.

SI-REN SA

Since 2009 · 11–20 empl.·5.0(1)

The core activity of SI-REN SA is the development and production of renewable energy, particularly through the use of solar energy, wind energy, biomass and geothermal energy, with the aim of ensuring the energy supply of the Lausanne region and promoting environmental protection.

Energiapro SA

Since 1991 · 21–50 empl.·2.3(4)

Energiapro SA supplies natural gas and biogas to residential and business customers. Its energy services also include photovoltaic and solar contracting solutions, district heating, microgrids, and renewable energy certificates.

VOé electroval SA

Since 2024 · 11–20 empl.·3.9(46)

VOé electroval SA provides electrical installation and building technology services. It plans and installs electrical systems for residential, commercial and industrial properties, and also offers photovoltaic systems, heating, maintenance, security and telecommunications solutions, as well as the sale and repair of household appliances.

Payerne Énergies SA

Since 2022 · 1–10 empl.

Payerne Énergies SA builds and operates the district heating network in the municipality of Payerne and distributes heat to connected buildings. The heat is produced using local wood and recovered heat from wastewater.

Alpiq Suisse SA

Since 1919 · 101–500 empl.·3.0(10)

Alpiq Suisse SA is an energy company that generates electricity and manages a portfolio of hydropower, solar, wind, hydrogen and thermal assets. It also provides energy trading, market-access and portfolio services as well as customised energy- and asset-management solutions.

Morges Énergies SA

Since 2023 · 1–10 empl.

Morges Énergies SA provides information about the district heating (chauffage à distance) project, explains the underlying technology and supplies guidance and resources for connecting buildings to the heat network.

CoGen SA

Since 2011 · 1–10 empl.·3.0(2)

CoGen SA specialises in combined heat and power installations. These systems produce electricity and heat simultaneously.

BioEcoEnergie SA

Since 2011 · 11–20 empl.·4.0(2)

BioEcoEnergie SA collects organic kitchen waste and processes it to produce renewable energy in the form of heat and electricity. It also collects used frying oil, purifies it and recycles it into biodiesel.

CREST-consulting Sàrl

Since 2025 · 1–10 empl.

CREST-consulting Sàrl provides consulting on the energy transition, strategy and innovation. Its services include analysis, project management and operational processes, as well as advice on energy data, digitalisation and communication.

EH Group Energy AG

Since 2020 · 11–20 empl.·5.0(1)

EH Group Energy AG develops fuel cell technology and modular energy systems for onsite power generation. Its products range from fuel cell stacks and standardized energy modules to scalable power plants for applications including data centers, industry, drones and aviation.

Lémanpellet SA

Since 2023 · 1–10 empl.

Lémanpellet SA produces heating pellets from local wood and forestry residues. Its mobile equipment processes the biomass on site, and the pellets are then delivered.

Services Industriels de Lussery-Villars (SILV) SA

Since 2024 · 1–10 empl.

Services Industriels de Lussery-Villars (SILV) SA develops local energy infrastructure and public services, with a focus on renewable energy. Its activities include heat supply and photovoltaics, while a citizens’ cooperative enables local participation in the energy transition.

Alpha Energy Swiss SA

Since 2025 · 1–10 empl.

Alpha Energy Swiss SA supplies and sells AlphaESS inverters and battery storage systems for homes, larger photovoltaic installations and industrial projects. Its offering also includes energy management through AlphaCloud, with installation carried out by the customer’s installer or a partner.

Guignard Energies Sàrl

Since 2025 · 1–10 empl.

Guignard Energies Sàrl provides transport, sales and handling services for petroleum products. Its services include advice, delivery and support related to heating oil and related products.

EssairVent SA

Since 2010 · 1–10 empl.·1.0(2)

EssairVent SA develops, builds and operates the Essertines-sur-Rolle wind farm project. The plan envisages four wind turbines to generate electricity from renewable energy.

MUCplus Sàrl

Since 2025 · 1–10 empl.

MUCplus Sàrl develops renewable energy projects, including large-scale batteries and rooftop and ground-mounted photovoltaic systems. Its services cover site assessment, project financing and permits, construction oversight, electricity sales and system monitoring.

EneRolle SA

Since 2025 · 1–10 empl.

EneRolle SA develops and operates a district heating network in Rolle. The company uses energy from Lake Geneva to supply connected buildings with heat, domestic hot water and cooling.

Forces Motrices de l'Avançon SA

1–10 empl.·3.2(10)

Forces Motrices de l'Avançon SA generates electricity from hydropower and supplies customers with electricity. It also provides services for grid connections, metering and the feed-in of electricity.