Energy & Environment

Energie March Netze AG 

Altendorf · Since 2007

The core activity of Energie March Netze AG is the regional electricity supply and management of power grids in the March region. The company works closely with partner companies to ensure a reliable and sustainable electricity supply, and provides support for concerns related to electricity tariffs, contract matters, as well as technical questions and disruptions.

energienetz GSG AG 

St. Gallen · Since 2018

The core activity of energienetz GSG AG is the planning, construction and operation of a heat network that provides sustainable energy and reduces CO2 emissions. The company connects potential and demand for sustainable energy and offers services such as fault reporting, standby duty and pipeline inquiries.

Energie Ouest Suisse (EOS) SA 

Lausanne · Since 2010

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.

Energie Oberhofen AG 

Oberhofen Am Thunersee · Since 2013

The core activity of Energie Oberhofen AG is energy supply, in particular electricity delivery and network usage, as well as related services such as fault and standby services.

Energie Oberes Fricktal AG 

Gipf-Oberfrick · Since 2015

The core activity of EOF AG is the supply of municipalities with electricity, particularly in the municipalities of Oberhof, Wölflinswil, Wittnau and Gipf-Oberfrick.

Energieplattform AG 

St. Gallen · Since 2014

The core activity of Energieplattform AG is energy procurement, management and services. The company offers various services, including strategy consulting, portfolio management, market information, energy data management, direct marketing, plant accounting, calculation of network and energy prices, as well as regulatory annual accounting. Additionally, it provides certificates of origin and electricity labeling. The core activity can thus be described as energy services and management.

Energie plus! Vereinigung zur Förderung umweltfreundlicher Energien 

Langnau Im Emmental · Since 1992

The core activity of Energie plus! consists of the procurement, distribution and application of renewable energies, in particular through the construction, renovation or financing of hydroelectric power plants, photovoltaic systems and wind turbines, in order to offer environmentally conscious electricity consumers an alternative.

EnergiePro GmbH 

Lützelflüh-Goldbach · Since 2023

EnergiePro GmbH provides building energy consultancy and prepares energy reports, including GEAK and GEAK-Plus assessments. Services include support for subsidy applications, Minergie submissions, heating-system replacement planning, plan digitization and preparation of building-permit documentation.

Energie Prozesse Zukunft EPZ GmbH 

Unterkulm · Since 2016

ENERGIERAMA GmbH 

Entlebuch Businesszentrum · Since 2018

The core activity of energierama GmbH is the provision of services in the field of sustainable energy and climate protection projects. This includes in particular: Energy consulting and planning, Development of solutions for efficient energy use and the use of renewable energy, Consulting and planning in the field of sustainable building and area development, Conducting energy audits and analyses, Development of programs and strategies for climate adaptation and regional development, Operation of a geoportal for the visualization and analysis of energy-relevant data. The company positions itself as a pioneering service provider for sustainable projects to protect the climate and focuses on efficient energy use and the use of renewable energy.

Energie Rheintal AG 

Diepoldsau · Since 2005

The core activity of NRG Holding AG is the generation and distribution of heat energy, particularly through the operation of district heating networks and heating plants, which are powered by wood chip firing systems and other environmentally friendly technologies. The company also offers services such as construction and maintenance of energy plants, contracting, waste heat utilization and wood reception. Additionally, the company is active in the solar energy sector and operates photovoltaic systems.

Energie RUSWIL Genossenschaft 

Ruswil · Since 2016

Energie RUSWIL Genossenschaft promotes local energy generation and implements photovoltaic projects as well as charging infrastructure. It is also planning and constructing a district heating network with a central heating plant and provides information on membership and financing opportunities.

Energie Solaire Illarsaz Sàrl 

Muraz (Collombey) · Since 2011

Energie Solaire Illarsaz Sàrl provides design and installation of photovoltaic systems, electric vehicle charging stations and off‑grid solar solutions for individuals, businesses and public entities. The company offers free evaluations and installs certified products in accordance with Swiss standards and applicable safety regulations.

Energietechnik Tanner GmbH 

Schocherswil · Since 2024

The core activity of Energietechnik Tanner GmbH is the planning, development and installation of photovoltaic systems for residential homes, agricultural and commercial businesses, with the goal of supporting customers in reducing their energy costs and improving their CO2 footprint, and accompanying them on the path to self-sufficiency in their electrical energy needs.

Energie- und Ressourcen-Management GmbH 

Freienbach · Since 2002

The company's core activity is consulting and services in the field of energy and resource management, particularly in the areas of: Resource Management, Substance Flow Analysis (SFA), Dynamic Modeling, Resource Strategies, Environmental Construction Accompaniment, and Decommissioning Controlling. The company offers these services to public and private companies to promote efficient use of raw materials and energy.

Energieverbund AG Schaffhausen 

Schaffhausen · Since 2022

Energieverbund AG Schaffhausen operates and develops local and district heating networks and provides connection and heat‑supply services for residential and commercial buildings. Heat is produced centrally and delivered via a distribution network, using regional energy sources and waste heat where available.

Energieverbund Eschenbach AG 

Eschenbach Lu · Since 2018

The core activity of Energieverbund Eschenbach AG is the production and distribution of heat energy through the operation of a district heating network based on the use of wood as a CO2-neutral energy source.

Energieverbund Bielersee AG 

Biel/Bienne · Since 2020

Energieverbund Bielersee AG operates a district heating and cooling network that uses water from Lake Biel as an energy source for heating and cooling. The project features lake water intake lines, a pumping station, an energy centre with three heat pumps (about 1,400 kW each), integration of an existing heat network and supplementary wood-chip and backup boiler systems.

Energieverbund Maienfeld AG 

Maienfeld · Since 2021

The core activity of Energieverbund Maienfeld AG is the supply of customers with renewable energy, particularly through the use of regional energy sources such as wood and groundwater, as well as the provision of heat and cold through an efficient network.

Energieverbund Neuhausen am Rheinfall AG 

Neuhausen Am Rheinfall · Since 2017

The core activity of Energieverbund Neuhausen am Rheinfall AG is the generation and supply of cost-effective ecological heat and cold to properties in the region, particularly through the use of heat pumps that raise the heat from the wastewater of the Röti sewage treatment plant to a usable temperature level.

Energieverbund Siloah AG 

Muri B. Bern · Since 1993

The core activity of Energieverbund Siloah AG is the safe and efficient supply of energy to the properties on the Siloah site and the municipality of Muri b. Bern with heat, cooling and hot water.

Energieversorgung Blumenstein AG (EVB) 

Blumenstein · Since 2011

The company's core activity is energy supply, in particular the provision of electricity at economic conditions as well as further services in the field of energy supply.

Energie Versorgung Riggisberg (EVR) AG 

Riggisberg · Since 2011

The company's core activity is the transformation and distribution of electrical energy, including the planning, creation, expansion, extension and renewal of the distribution network, as well as the operation and maintenance of the distribution network and its associated facilities. Furthermore, the core activity also includes the lighting of public streets and squares, the billing of electricity supplies and customer consulting.

Energie Wasser Bern 

Bern · Since 2002

The company's core activity is the generation, distribution and marketing of energy (electricity, heat, cold) as well as the provision of telecommunications services (telecom). The company offers various energy solutions, including electricity tariffs, solar power, self-consumption, district heating, heat networks, biogas and natural gas, as well as solutions for businesses and private customers in the telecom sector.

Energie Wärme Mürren AG (EnWAG) 

Lauterbrunnen · Since 2013

Energie Wärme Mürren AG (EnWAG) supplies heat to the Alpine Sportzentrum Mürren, the Hotel Palace and the residential company Résidence, currently producing heat using electric instantaneous water heaters. EnWAG commissioned a feasibility study for district heating and is evaluating alternative heat generation options, energy-efficiency measures and possible expansion of the heat network.

Energiewendegenossenschaft des Kantons Freiburg 

Le Pâquier-Montbarry · Since 2023

The core activity of EWG-FR is to support homeowners, housing cooperatives, municipalities and businesses in the realization of photovoltaic systems through the concept of self-construction. The company provides expertise, planning and coordination for the construction of solar systems and enables its members to build their own solar systems and use the generated electricity themselves.

Energiewendegenossenschaft Basel 

Basel · Since 2018

The company's core activity is the planning, organization and support of homeowners in the self-construction of solar systems, including the provision of expertise, construction management and coordination, with the aim of reducing the costs of installing photovoltaic systems and driving the energy transition.

energiewende gmbh 

Baden · Since 2022

The core activity of the company "energiewende gmbh" is the planning and consulting of solar systems, particularly photovoltaic projects, for private and commercial customers. This includes the pre-project phase, potential analysis, feasibility study, cost estimation, project planning, tendering and accompaniment until the successful acceptance of the system. The company offers independent and uncomplicated services to support customers in the realization of solar systems and contribute to the Swiss energy transition.

Energiewendegenossenschaft Zürichsee 

Uetikon Am See · Since 2021

The core activity of EWG-Zürichsee is the promotion and implementation of photovoltaic projects, in particular through the self-construction of solar systems, in cooperation with municipalities, schools, housing cooperatives and private individuals on Lake Zurich. This includes consulting, planning, project planning, financing and construction of solar systems.

Energiewerk GmbH 

Teufen Ar · Since 2024

Energiewerk GmbH installs photovoltaic systems on roofs and supplies the generated electricity at a reduced tariff, without requiring customers to make a financial investment.

Energiewirt GmbH 

Bellach · Since 2012

Energiewirt GmbH develops and manages agricultural biogas projects, offering project development, business development and site-specific solutions for producing and upgrading biogas for power, fuel or grid injection.

Energimmo Services SA 

Les Acacias · Since 2016

The core activity of Energimmo Services SA is the optimization of real estate through Micro-Grid management, particularly in the field of energy efficiency and management.

Energimo SA 

Lignières · Since 2007

The core activity of Energimo is to provide services and solutions in the field of renewable energy, particularly in the areas of photovoltaics and wood heating. The company specifically offers the following services: Photovoltaics: installation and maintenance of solar systems; Wood heating: installation and maintenance of wood heating systems, including tile stoves, pellet heating systems and chimneys; Tubage: installation and maintenance of piping for heating systems. The company thus provides comprehensive solutions for meeting energy needs through renewable energy and offers its customers a wide range of services to improve their energy efficiency and sustainability.

energy4swiss AG 

Sursee · Since 2000

The core activity of energy4swiss AG is the planning, installation, maintenance and repair of photovoltaic systems for residential, commercial and industrial buildings in Switzerland. The company also offers monitoring and performance analysis services to ensure the efficiency and lifespan of the systems.

Energy Consulting & Development GmbH 

Zurich · Since 2018

Energy Consulting & Development GmbH provides consulting and technical services in sustainable development, energy efficiency and climate finance. The company designs climate-finance mechanisms and investment policies, delivers energy consulting and audits, and supplies impact and MRV data-management solutions including the PHAROS impact measurement platform for financial institutions, governments and companies.

Energy Depot Swiss GmbH 

Kreuzlingen · Since 2005

The company's core activity is the development and distribution of high-quality solar products and energy storage systems for private and commercial applications, including solar modules, inverters, batteries, energy management systems and charging stations.

Energyfarm AG 

Kirchberg Be · Since 2020

The core activity of Energyfarm AG is the production of district heating through the combustion of wood chips and other renewable energy sources, as well as the distribution of this heat to end consumers through its own heat network.

Energy Financing Team (Switzerland) AG 

Horn · Since 2003

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 Friends GmbH 

Bern · Since 2023

Energy Friends GmbH provides services in photovoltaics, energy consulting and the preparation of building energy certificates (GEAK). The company designs and installs photovoltaic and solar‑thermal systems, conducts energy analyses and prepares renovation concepts, economic calculations and subsidy applications.

Energy Independence AG 

Altbüron · Since 2022

The core activity of Energy Independence AG is the planning and implementation of projects in the field of renewable energy and energy independence, particularly through the development and implementation of solutions for autonomous energy supply and plus-energy buildings.

Energy Living Lab 

Sion · Since 2020

The core activity of Energy Living Lab Association is the application and dissemination of Living Lab approaches in the energy sector. This includes supporting an ecosystem of actors in using methods and tools to jointly develop solutions for the energy transition. The company's activities include: Research and development in the field of Living Labs and energy; Conducting interactive workshops and events; Consulting and supporting the application of Living Lab approaches; Developing and disseminating methods and tools for the energy transition; Networking and cooperation with actors from the public, private, state, academic sectors and civil society; Coordinating national programs and projects in the field of energy and sustainability; Developing governance structures and common visions for the energy transition. The company aims to create a platform for the joint development of solutions for the energy transition, taking into account the interests and needs of various actors.

energy protect GmbH 

Alpnach Dorf · Since 1997

The core activity of Energy Protect GmbH is consulting and implementing energy-saving measures for customers, particularly in the field of renewable energy. Specifically, this includes planning, installation, and maintenance of: photovoltaic systems for power generation, LED lighting systems for energy savings, and infrared heating systems for efficient heat generation. The company offers its customers comprehensive consulting and support from planning to implementation and beyond, with the goal of reducing energy costs and protecting the environment.

Energy Risk Solutions GmbH 

Zug · Since 2015

The core activity of Energy Risk Solutions GmbH is the development and implementation of solutions for risk management in the field of energy and weather derivatives, particularly for companies in the renewable energy, traditional energy and natural gas sectors. This includes the origination of structured physical and financial transactions, the development of markets and strategies for customers looking to enter specific regions or products, as well as consulting and implementation of Corporate Power Purchase Agreements (CPPAs) and weather derivatives.

Energy Trade GP SA 

Lugano · Since 2023

The core activity of Energy Trade is the trading of gas and electricity on international markets, with a focus on optimizing energy costs and minimizing risks for its customers. To this end, Energy Trade offers tailored solutions for energy supply, including portfolio optimization, risk management, and the use of advanced technologies such as artificial intelligence and machine learning.

Energy Transformation GmbH 

Hurden · Since 2022

The core activity of Energy Transformation GmbH is the development of climate-neutral business models and energy systems.

energy unlimited AG 

Mittelhäusern · Since 2008

energy unlimited AG designs, installs and services photovoltaic systems, solar thermal systems, battery storage and electric vehicle charging solutions for private, commercial and agricultural clients. The company provides consultation, system sizing, proposals and ongoing maintenance, as well as energy management services.

Energy Trading & Service AG 

Feusisberg · Since 2019

The core activity of Energy Trading & Service AG is the execution of energy trading and the provision of digitalized service solutions for the energy sector. Specifically, this includes the purchase and sale of energy as well as the development and provision of sales and service solutions for business and private customers.

energy unlimited AG 

Oberburg · Since 2022

energy unlimited AG designs, installs and maintains photovoltaic systems, solar thermal systems, battery storage and electric vehicle charging stations. The company serves residential, commercial and agricultural customers and provides consultancy on energy management and available subsidies.

enerhub GmbH 

Dübendorf · Since 2018

The core activity of enerhub GmbH is the provision of consulting and project services in the areas of energy, environment, sustainability and politics.

EnerimpulsE SA 

Sementina · Since 2009

The core activity of EnerimpulsE is to provide independent consulting services in the field of energy efficiency and sustainability. Specifically, this includes supporting customers in addressing challenges related to energy and sustainable development, improving their performance, and accompanying them in the implementation of measures to increase energy efficiency and achieve sustainability goals.