Energy Industry in the
Canton of Schwyz
58 companies in Energy Industry 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.
The core activity of Oberallmeindkorporation Schwyz (OAK) is the promotion and utilization of renewable energies, particularly wood energy, through the construction and expansion of facilities and heat networks. The company invests in wood-fired power plants and promotes the use of domestic energy sources to ensure a sustainable and forward-looking energy supply.
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 develops and supplies wind energy systems and related services, including wind turbines (such as the NPS100), turnkey project delivery, and operations, maintenance and monitoring.
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 enables its members to participate in Energie Ausserschwyz AG and supports the promotion and dissemination of renewable energy. It facilitates the subscription of share certificates, provides members with discounts on the investment contribution for district-heating connections, and is open to natural and legal persons resident or domiciled in the districts of March and Höfe as well as owners of property in those districts.
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.
The core activity of Nvalue is to provide solutions for renewable energy, energy efficiency and reduction of greenhouse gas emissions. In particular, the company focuses on trading energy attribute certificates (EACs), guarantees of origin for renewable energy, biogas certificates, carbon credits and other climate-related solutions. The company supports its customers in achieving their climate goals by providing tailored solutions and services.
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.
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).
inovolta ag
Since 2023 · 11–20 empl.
inovolta ag designs and delivers energy infrastructure, manufactures and installs switchgear, and implements renewable energy systems and electrical installations. Services include project planning and construction of distribution and transformer stations, photovoltaic systems with battery storage, charging and energy‑management solutions, and operation and maintenance of electrical installations.
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.
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.
splicetec ag
Since 2000 · 1–10 empl.5.0(2)
splicetec ag develops, manufactures and distributes components and systems for power transmission and provides electrical and mechanical insulation solutions for cables and parts. Its products include low-, medium- and high-voltage cable terminations, connection technology for rail applications and related service and maintenance offerings.
MOVEAIR Energy Global AG
Since 2025 · 1–10 empl.
MOVEAIR Energy Global AG provides engineering and planning services for modular energy systems using wind, solar PV, battery storage, and hybrid configurations. The company develops solutions for existing infrastructure such as telecom towers, ports, transport networks, and real estate, and supports their integration, operation, and optimisation.
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.
The core activity of PEAK Energy AG is investing in renewable energies.
Brunnader MIW GmbH
Since 2012 · 1–10 empl.
Brunnader MIW GmbH is a company whose website is currently under construction. The site currently provides only contact details, while the other pages do not yet contain substantive information about services or business activities.
Snoenergy GmbH
Since 2013 · 1–10 empl.
The core activity of Snoenergy GmbH is the development, planning, construction and operation of renewable energies, particularly in the field of renewable energy technologies. The company also provides consulting services for companies and develops new technologies in the field of renewable energies.
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 holding company that brings together firms and teams in applied science and implementation, converting research findings and patents into scalable industrial applications. It develops and applies patented ionization and processing technologies to modify the physical‑chemical properties of media—especially water—with applications in environmental, industrial, agricultural and other biological and technical systems.
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.
The company is primarily engaged in the production of bioethanol, particularly in the construction and operation of an ethanol production facility that utilizes a wide range of grain-based raw materials to produce a sustainable and reliable source of energy.
Energetia GmbH
Since 2025 · 1–10 empl.
Energetia GmbH provides solutions and products in the areas of energy and disposal. Its offering includes wood chips and energy wood, fuels with proof of origin, and services for CO2 and wood ash disposal.
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 Industry in the Canton of Schwyz
Energy Industry in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 11, 2026
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