Energy technology in the
Canton of Schwyz
58 companies in Energy technology based in the Canton of Schwyz — name and year of registration from the commercial register.
50 of 58 companies
EWS AG
101–500 empl.4.8(33)
EWS AG, based in Ibach SZ, has been supplying around 24,000 customers with electricity since 1896. It is a private joint-stock company, CKW AG is the majority shareholder. The focus areas are network and infrastructure construction as well as switchgear manufacturing, both active nationwide: power supply systems for industry and grid operators, battery storage (BESS), fast charging infrastructure, fiber optic networks, as well as engineering and manufacturing of switchgear combinations for energy supply, building technology, transport and e-mobility. In addition: building technology, photovoltaics, e-mobility and EWS Fiber. Total output 2024/25: CHF 94.8 million. Over 200 employees, 35 trainees in ten occupations. Brand: Team Rot. ews.ch
Agro Energie Schwyz AG
Since 2007 · 21–50 empl.4.6(10)
The core activity of Agro Energie Schwyz AG is the production of electricity and heat from biomass, particularly wood chips, as well as the operation of a district heating network in the Schwyz region.
Aalberts hfc AG
Since 1997 · 1–10 empl.
Aalberts hfc AG develops solutions and products for hydronic systems, heating, cooling and system water quality in buildings. The company supports the full building life cycle from design and construction to operation and renovation, and also provides services such as BIM, prefabrication, monitoring and training.
OAK Energie AG
Since 2006 · 11–20 empl.
OAK Energie AG promotes the use of wood and other local energy sources to generate renewable heat. The company operates heating networks and wood-fired heating plants, and offers energy contracting.
Aurelis SA
Since 2006 · 1–10 empl.
The core activity of ASA Energy is the optimization of energy prices for companies in Switzerland. To this end, the company procures energy (electricity) and offers its customers a customized energy price that is more favorable than the price of the local basic supplier. ASA Energy takes over the purchase of electricity and offers a price guarantee to ensure that customers benefit from favorable energy prices in the long term.
Northern Power Systems AG
Since 2009 · 1–10 empl.
Northern Power Systems AG designs and supplies wind turbines for distributed energy and on-site generation. The company delivers turnkey wind projects and hybrid energy systems and microgrids, and provides services to modernize existing installations.
Upwind International II GmbH
Since 2013 · 1–10 empl.
Upwind International II GmbH is a holding company that develops and engineers sustainable and renewable energy projects, with a focus on wind energy projects in developing countries.
Energiegenossenschaft Ausserschwyz (SZ)
Since 2021 · 11–20 empl.
Energiegenossenschaft Ausserschwyz (SZ) is a cooperative that promotes and disseminates renewable energy. It supports and holds a stake in Energie Ausserschwyz AG, contributing to the development of regional energy supply and the district heating network.
Whitecell Power AG
Since 2021 · 51–100 empl.
The company's core activity is the development and production of fuel cells and electrolyzer stacks, as well as the engineering and testing of automotive powertrains, including electric drives. The company specializes in the application of 3D screen printing technology for the production of graphite bipolar plates and other fuel cell components.
NVALUE AG
Since 2007 · 21–50 empl.
NVALUE AG supports energy suppliers, renewable energy producers and businesses with Energy Attribute Certificates and other climate-market solutions. Its services include Guarantees of Origin, biogas and energy-efficiency certificates, carbon credits, and support for renewable energy, emissions reduction and energy trading.
Sidewinder Infrastructure AG
Since 2021 · 1–10 empl.
The core activity of Sidewinder Infrastructure AG is investing in renewable infrastructure, particularly in the field of green hydrogen and synthetic fuels (e-Fuels), as well as consulting and developing projects related to the energy transition and the reduction of greenhouse gas emissions.
inovolta ag
Since 2023 · 11–20 empl.
inovolta ag plans and delivers energy infrastructure, switchgear and electrical installations. Its services also include planning and installing photovoltaic systems, battery storage, electric vehicle charging infrastructure and energy management systems.
Enerfin Ün AG
Since 2024 · 1–10 empl.
Enerfin Ün AG develops, finances and markets decentralized renewable energy systems, with a focus on green electricity storage and photovoltaic plants including Solar‑PPAs and PV direct marketing. The company also provides tenant‑solar contracting, full‑service flexibility marketing and energy trading/market integration services, supported by a machine‑learning based energy management platform (Lynus).
MW Storage Suomi THREE AG
Since 2024 · 1–10 empl.
MW Storage Suomi THREE AG is a company that plans, finances and operates industrial energy storage systems and provides system solutions to improve energy efficiency.
MW Storage TWO AG
Since 2024 · 1–10 empl.
MW Storage TWO AG plans, finances and operates industrial energy storage systems and provides system solutions to improve energy efficiency. Services include peak shaving, reactive power compensation and solar energy storage, and the company develops and finances large-scale battery projects.
MW Storage International AG
Since 2024 · 1–10 empl.
MW Storage International AG plans, finances and operates industrial energy storage systems and provides system solutions to increase energy efficiency. The company offers services to grid operators such as peak shaving, reactive power compensation and storage of solar power, and implements large‑scale battery projects.
MW Storage Suomi ONE AG
Since 2024 · 1–10 empl.
MW Storage Suomi ONE AG plans, finances and operates industrial energy storage systems and provides system solutions to improve energy efficiency. It offers services to grid operators such as peak shaving, reactive power compensation and solar power storage.
SE Step-Up AG
Since 2021 · 1–10 empl.5.0(3)
EPC Solutions AG provides engineering, procurement and construction (EPC) and project delivery services for renewable energy projects. Offerings include negotiating EPC contracts, on-site construction supervision, arranging project financing and supporting operations and asset management for solar, wind and green hydrogen projects.
MOVEAIR Energy Global AG
Since 2025 · 1–10 empl.
MOVEAIR Energy Global AG develops modular energy systems for existing infrastructure. Its solutions include compact wind turbines, microgrids and hybrid systems combining wind power, solar PV and battery storage.
splicetec ag
Since 2000 · 1–10 empl.5.0(2)
splicetec ag develops, qualifies, manufactures, sells and services products for power transmission. It produces cable systems and cable harnesses for rail vehicles and medium-voltage installations, and supplies cable accessories and insulation solutions for energy, solar and railway applications.
Proman Abidjan LNG AG
Since 2026 · 11–20 empl.
Proman Abidjan LNG AG is part of the Proman Group and supports global projects focused on methanol and ammonia. The website also describes activities in project development and in the management of engineering and construction projects.
Cenvion AG
Since 2025 · 1–10 empl.
Cenvion AG is an operating partner for infrastructure assets and provides proactive management, transaction support, strategic advisory and portfolio management. Its focus is on energy, storage technologies and flexibility solutions, as well as the operational management and development of infrastructure platforms.
NEXXON Energy Solutions AG
Since 2004 · 1–10 empl.
NEXXON Energy Solutions AG provides solutions for photovoltaics, energy storage and wallboxes, addressing the generation, storage and use of solar electricity.
PEAK Energy AG
Since 2009 · 1–10 empl.
PEAK Energy AG invests in renewable energy infrastructure and energy systems.
Brunnader MIW GmbH
Since 2012 · 1–10 empl.
Brunnader MIW GmbH provides commissioning, site management and technical coordination for energy, environmental and industrial projects. Its services also include process control, instrumentation and control engineering, maintenance, troubleshooting and training for operating personnel.
Snoenergy GmbH
Since 2013 · 1–10 empl.
Snoenergy GmbH is a project developer and consultancy in the renewable energy sector. It develops technologies and supports projects with site selection, feasibility and financial analysis, design, construction, commissioning and grid connection.
Suissen AG
Since 2021 · 1–10 empl.
The core activity of Suissen AG is in the energy trading sector, particularly in the trade of natural gas on various markets, exchanges and trading platforms within the European Union. This also includes logistics and physical contract conclusion for natural gas deliveries from Western Europe to Eastern Europe. The company also plans to offer retail services.
House of Seba Switzerland AG
Since 2021 · 1–10 empl.
House of Seba Switzerland AG is a group of companies that brings together technical and scientific expertise and translates research and patents into industrial applications. It uses ionization and processing technologies in soil and water treatment, agriculture and industry, and for protective coatings on buildings and textiles.
Junova Ventures AG
Since 2024 · 1–10 empl.
Junova Ventures AG develops and advances large-scale green ammonia projects and provides project development, pre-FEED/FEED and detailed engineering services up to the Financial Investment Decision (FID) stage. Its activities include feasibility studies, concept design, engineering, and arranging renewable energy supply and product offtake for sectors such as maritime shipping, heavy industry and agriculture.
Bioethanol Evolution GmbH
Since 2024 · 11–20 empl.
Bioethanol Evolution GmbH offers investment opportunities in a bioethanol plant project in India. The project involves the construction and operation of a bioethanol plant.
Energetia GmbH
Since 2025 · 1–10 empl.
Energetia GmbH trades in wood chips, energy wood, fuels and certificates of origin. It also arranges CO₂ compensation and the disposal of CO₂ and wood ash.
AG Kraftwerk Wägital
Since 1921 · 11–20 empl.
Kraftwerk Feusisberg AG
Since 1959 · 1–10 empl.
NTC Trust AG
Since 1987 · 1–10 empl.
Keller F. AG
Since 1991 · 1–10 empl.
Paceo AG
Since 2002 · 1–10 empl.
Vintage Energy SA
Since 2005 · 1–10 empl.
Engics AG
Since 2007 · 1–10 empl.
HAMMERWASSER AG
Since 2008 · 1–10 empl.
Power Synergy AG
Since 2009 · 1–10 empl.
ARKTUR TRADING & CONSULTING GMBH
Since 2011 · 1–10 empl.
Synercon GmbH
Since 2011 · 1–10 empl.
Montesina GmbH
Since 2012 · 1–10 empl.
aeto ag
Since 2012 · 1–10 empl.
Green Island Capital GmbH
Since 2013 · 1–10 empl.
Tecobiol AG
Since 2013 · 1–10 empl.
EE Plus AG
Since 2014 · 1–10 empl.
Energie-Innovation AG
Since 2014 · 1–10 empl.
GreenStone Capital Partners AG
Since 2017 · 1–10 empl.
OE Group AG
Since 2020 · 1–10 empl.
Energy technology in the Canton of Schwyz
Energy technology in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 6, 2026
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