Energy & Environment

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.