Energy technology in the
Canton of St. Gallen

48 companies in Energy technology based in the Canton of St. Gallen — name and year of registration from the commercial register. The list below shows them all.

Companies

All 48 companies in the Canton of St. Gallen

Zwicker Präzisionsmechanik AG

Since 1994 · 21–50 empl.4.5(10)

The core activity of Zwicker Präzisionsmechanik AG is CNC manufacturing of highly precise machine and apparatus parts as well as mold making, in particular in the field of microwave and vacuum technology, machine and apparatus construction, and aerospace. This includes, in particular, CNC turning, CNC milling, toolmaking and EDM.

Electronics manufacturerCNC machiningCNC millingCNC turning

Fortimo Solutions AG

Since 2019 · 21–50 empl.4.2(102)

Fortimo Solutions AG develops, owns and operates real estate with a focus on residential properties and hospitality. The company delivers rental and owner‑occupied apartments, develops tourism projects (Revier hotels and Privà lodges) and provides investment, portfolio holding and property management across the full value chain.

Energy technologyEnergy solutions with solar electricityContracting

Sysbo AG

Since 2015 · 21–50 empl.4.9(14)

Sysbo AG develops and manufactures district heating technologies and provides products and services including district heating transfer stations, hot water modules, control and visualization systems, as well as network monitoring and leak detection. The company also carries out refurbishment and optimization during operation, plant engineering and planning support for heat networks.

Energy technologyIndirect district heating transfer stationDirect district heating transfer stationHot water solutions

Heller AG Kälte-Energie-Technik

Since 1993 · 11–20 empl.4.4(14)

Heller AG Kälte-Energie-Technik plans, develops and installs refrigeration, climate-control and energy systems for commercial, industrial, vehicle, office and private applications. Its services include cooling and freezing systems, vehicle refrigeration, heat pumps, air conditioning and controls, as well as consulting, maintenance, service and remote monitoring.

Energy technologyCommercial refrigerationIndustrial refrigerationVehicle cooling

HSK AG Kälte-, Klima- und Energietechnik

Since 2001 · 11–20 empl.4.4(9)

HSK AG Kälte-, Klima- und Energietechnik plans, supplies and installs refrigeration and air-conditioning systems, cooling equipment and cold rooms for bakeries, food businesses, restaurants and retail fit-outs. Its services also include temperature monitoring, maintenance, repairs and system optimisation.

Energy technologyRefrigeration technologyServiceProducts

Arnold AG

Since 2015 · 51–100 empl.4.3(12)

Arnold AG is part of the Infra Services group within BKW and provides network construction services in the areas of energy, telecom, transport, and water. The company delivers comprehensive end-to-end network services across Switzerland.

Energy technologyGrid construction in the energy sectorTelecom network constructionGrid construction in the transport sector

Bion Bauhaus AG

Since 1994 · 11–20 empl.

Bion Bauhaus AG is Heim AG Heizsysteme. Heim AG Heizsysteme acquired Bion Bauhaus AG on 1 July 2023 and handles enquiries and services through its heating-systems business, which provides renewable-energy heating solutions such as heat pumps, wood-energy systems, solar systems and energy-management solutions.

PlumberHeat pumpsWood energySolar systems

Entegra Wasserkraft AG

Since 1999 · 11–20 empl.

The core activity of Entegra Wasserkraft AG is the planning, implementation (new construction and renovation) and operation of hydroelectric power plants, particularly in the field of small-scale hydroelectric power. This encompasses three main areas: 1. Planning and construction of hydroelectric power plants, 2. Commercial and operational management of hydroelectric power plants, and 3. Renovation of hydroelectric power plants in accordance with the Water Protection Act (GSchG). The company is also active in decentralized production of renewable energy and operates its own power plants.

Energy technologyPlanning and construction of hydropower plantsRenovation of hydropower plants under the Water Protection ActBusiness and operations management

Glattstrom Buchholz AG

Since 2004 · 1–10 empl.

Glattstrom Buchholz AG is a company active in hydropower. It plans, builds and operates hydropower plants, manages its own small hydropower plants, and provides operations management and rehabilitation projects under water protection legislation.

Energy technologyManagement and operations management mandate for the small hydropower plant Buchholz

NRG A AG

Since 2006 · 21–50 empl.

NRG A AG operates the Wärmeverbund Ost district heating network and supplies customers with heat. NRG produces heat from wood, recovered heat and solar energy, and plans, builds and maintains district heating networks.

Energy technologyDistrict heatingHeat and energy contractingWaste heat utilization

NRG B AG

Since 2007 · 21–50 empl.

NRG B AG is an energy company that produces district heating and provides energy services including solar energy, heat contracting, waste heat utilization, wood intake and electricity supply, as well as construction and maintenance of energy installations.

Energy technologyDistrict heatingSolar energyHeat and energy contracting

Kraftwerk Stadtbrücke AG

Since 2011 · 11–20 empl.

Kraftwerk Stadtbrücke AG operates a power plant and provides information on its history, company details and contact information on its website. The site also refers to the new construction of the power plant and the production of electricity at this location.

Energy technologyElectricity generation

SN Erneuerbare Energie AG

Since 2012 · 11–20 empl.

The core activity of SN Energie AG is the production, trading and distribution of electricity, including the supply of energy supply companies (EVU) and traders with electricity and heat power network (HKN). This also includes services such as portfolio optimization, asset and participation management, as well as the provision of solutions for balancing energy, quantity tolerance and the documentation of the ecological footprint.

PhotovoltaicsElectricity market monitorElectricity portfolio managementHKN portfolio management

Ventus Energy GmbH

Since 2012 · 11–20 empl.

Ventus Energy GmbH develops projects and invests in renewable energy and energy infrastructure. The Ventus Energy Group’s activities include electricity and heat production, grid balancing, and the development of solar, wind and battery-storage projects.

Energy technologyRenewable energy project developmentProject finance for energy infrastructureDirect loans to energy projects

Bilfit Windkraft AG

Since 2015 · 1–10 empl.

Bilfit Windkraft AG provides services in leak detection, thermography, water-damage drying and remediation coordination. Listed services include flat-roof and pool leak detection, water-loss analyses for suppliers, pipe disinfection and pressure testing, plus drying and decontamination work.

Energy technologyLeak detectionDryingDisinfection

Wasserstoffproduktion Ostschweiz AG

Since 2019 · 51–100 empl.

The core activity of Wasserstoffproduktion Ostschweiz AG is the production of hydrogen as a future energy carrier for mobility, particularly for the operation of hydrogen-powered vehicles. The company makes the produced hydrogen available at AVIA hydrogen filling stations to offer a sustainable alternative to fossil fuels.

Energy producerHydrogen productionHydrogen fueling stationsTours of hydrogen production

Troyer Suisse AG

Since 2012 · 51–100 empl.5.0(1)

The core activity of Troyer AG is the planning, development, manufacture, assembly and commissioning of high-quality water turbines and power plant systems for energy generation from hydropower as well as local energy distribution. This also includes the provision of complete solutions, turbines, ball valves, visualization and remote control systems, control & automation, network control technology, renewal and optimization as well as service & maintenance.

EngineerComplete solutionsTurbinesControl & automation

green2energy AG

Since 2021 · 11–20 empl.

green2energy AG is the project brand for a biogas plant in Engelhölzli, backed by Axpo Biomasse AG and Energie Zürichsee Linth AG. The planned plant is intended to process regional organic waste through dry anaerobic digestion and produce biogas for injection into the local gas network.

Energy technologyBiogas Plant and Biomass RecoverySustainable Energy Supply

Enertrans GmbH

Since 2021 · 1–10 empl.

Enertrans GmbH plans, builds and operates high- and medium-voltage installations and provides engineering services for grid operators, utilities, power plants and industrial clients. Its services include line planning and construction, design and commissioning of switchgear and substations, asset management, network analyses, technical documentation and network-related digitalisation services.

Energy technologyGrid facilitiesLinesAsset Management

ELCOTHERM AG

Since 1996 · 51–100 empl.2.4(11)

The core activity of ELCO is the development, manufacture and marketing of heating solutions, particularly heat pumps, gas heating systems and other energy-optimised heating systems for the residential, commercial and industrial sectors.

Energy technologyHeat pumpsGas heating systemsOil heating systems

ETS Energie-Technik-Systeme AG

Since 1991 · 21–50 empl.4.0(1)

The core activity of ETS AG is the manufacture of heat exchangers and heating/cooling devices, particularly for heat transfer between liquids and gases using various principles.

Energy technologyHeat exchangersSterile heat exchangersShell-and-tube heat exchangers

separatus AG

Since 2023 · 11–20 empl.5.0(1)

separatus AG develops geothermal systems and the Splitpipe borehole heat exchanger, which carries the flow and return in a two-chamber pipe. The company supplies the technology, designs geothermal systems and supports their implementation through a partner network.

Energy technologyGeothermal heating and cooling systemGeothermal system planningPartner matching for geothermal projects

Buschor Fernwärme AG

Since 2013 · 1–10 empl.5.0(1)

Buschor Fernwärme AG operates a central heat production plant and supplies heat via a pipeline network for space heating and domestic hot water. It supplies customers in the municipality with district heating and lists simple operation, minimal maintenance, low noise and cost-effective, sustainable service as advantages.

Energy technology in theCanton of St. Gallen

All 48 companies in the Canton of St. Gallen

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Energy technology in the
Canton of St. Gallen