Photovoltaics in the
Canton of Schwyz
119 companies in Photovoltaics based in the Canton of Schwyz — name and year of registration from the commercial register.
50 of 119 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
sanitärheizig.ch AG
Since 2018 · 1–10 empl.4.9(138)
sanitärheizig.ch AG plans and carries out heating replacements and renovations, including heating solutions using heat pumps, wood, pellets or wood chips. Its services include consultation, planning, project management, installation, commissioning, maintenance and service.
Tobias Kälin AG
Since 1969 · 11–20 empl.4.8(16)
Tobias Kälin AG installs and renovates heating systems and sanitary installations. Its services include heating and plumbing work for residential and industrial buildings, repairs, and the installation of utility and water pipelines.
Steinegger Elektro AG
Since 1984 · 51–100 empl.4.5(15)
Steinegger Elektro AG plans, installs and maintains electrical systems for new buildings, renovations and industrial projects. Its services also include photovoltaic and e-mobility solutions, building automation, smart home systems, and ICT and telecommunications installations.
MZ Sanitär + Heizung AG
Since 1989 · 11–20 empl.5.0(9)
MZ Sanitär + Heizung AG plans, installs and maintains heating and plumbing systems for new-build and renovation projects. Its services include heat pumps, solar systems, heating-system replacements, and bathroom planning and refurbishment.
EW Höfe AG
Since 1948 · 101–500 empl.3.8(50)
EW Höfe AG is a cross-utility company that provides energy and telecommunications services, including electricity, gas and telecom solutions. The company is the principal shareholder of Energie Ausserschwyz AG, which supplies CO2‑neutral district heating and electricity from regional renewable sources.
Abegg Haustechnik AG, Bäch
Since 2012 · 11–20 empl.4.6(13)
Abegg Haustechnik AG, Bäch is a building services company specialising in plumbing, heating, ventilation and solar systems. Its services include consultation, planning, project management, installation, repair and maintenance.
Elektro Fisch AG
Since 2010 · 11–20 empl.4.7(9)
Elektro Fisch AG plans and installs electrical systems and provides maintenance, inspections and service. Its services include power and low-voltage systems, building and telecommunications technology, photovoltaic installations, heating systems, and the supply and maintenance of household appliances.
Solarwerk GmbH
Since 2012 · 1–10 empl.5.0(11)
Solarwerk GmbH plans, installs and optimizes photovoltaic systems and energy systems for residential and commercial customers. Its services include PV system inspections and yield analysis, battery storage, self-consumption controls, wallboxes and electrical installations, as well as maintenance, energy consulting and heat pumps.
Annen Holzbau AG
Since 1973 · 21–50 empl.4.8(5)
Annen Holzbau AG is a timber construction company offering carpentry, prefabricated timber construction, interior finishing, roofing and façade work. Its services include residential and commercial construction, extensions, renovations, and work on stairs, roofs and building façades.
Elektro Ottinger AG
Since 2013 · 21–50 empl.5.0(4)
The core activity of Elektro Ottinger AG includes the planning, installation and maintenance of electrical systems, particularly in the field of renewable energies, specifically photovoltaic systems. This includes work on roofs, the installation of inverters, the adaptation of distribution and the commissioning of systems. In addition, the company also offers services in the field of household, monitoring and entertainment devices.
Linth Energie AG
Since 2022 · 1–10 empl.4.8(24)
Linth Energie AG provides electrical engineering services, including electrical installations, inspections and building automation. Its services also cover photovoltaic systems, charging infrastructure for electric vehicles, security systems and telecommunications solutions.
R2 Immobilien AG
Since 2003 · 11–20 empl.4.3(15)
Gebr. Trütsch
Since 1990 · 1–10 empl.
The core activity of Gebr. Trütsch is the provision of services in the areas of sanitary, heating and metal construction. Specifically, this includes the installation, renovation and maintenance of heating systems, as well as the provision of sanitary services and the manufacture and assembly of metal structures.
Constructiva AG
Since 1993 · 1–10 empl.
Constructiva AG manufactures assortments of electronic components, including resistors and capacitors in various values and package sizes. It sells its products through distributors and an online shop.
KÄLIN ELEKTROTECHNIK
Since 2002 · 1–10 empl.
KÄLIN ELEKTROTECHNIK carries out electrical installations in new and renovated buildings and industrial premises, and repairs electrical faults. Its services also include fire, gas and intrusion alarm systems, video surveillance, photovoltaic systems, equipment testing and smart-home automation.
Baumann Enertech
Since 2006 · 11–20 empl.
Baumann Enertech supplies electric heating systems and heating cables, air-conditioning equipment, dehumidifiers and photovoltaic systems. It provides technical advice and supports the planning and project supervision of solar installations.
Winasolar AG
Since 2008 · 11–20 empl.
Winasolar AG plans, sells, installs and services photovoltaic systems and related components such as inverters and energy storage. The company also supplies heat pumps under the Winatherm brand and carries out roofing and metalwork (spenglerei) services. Winasolar handles subsidy applications for customers and offers an online PV configurator and appointment booking.
Betschart AG Holz + Elektro
Since 2009 · 21–50 empl.
Betschart AG Holz + Elektro provides electrical installations and planning for new builds and renovations. Its services also include photovoltaic systems, battery storage, electric mobility and building automation solutions, as well as maintenance and repairs.
Baumann & Partner
Since 2009 · 11–20 empl.
Baumann & Partner supplies electric heating systems and climate-control devices, including heating cables, bathroom heaters, infrared panels and storage heaters. The company also provides photovoltaic systems, control/regulation devices, spare parts, technical support and consulting for project planning and installation.
Fine Energy AG
Since 2010 · 1–10 empl.
Fine Energy AG is active in the field of battery storage and energy storage.
HopSol AG
Since 2010 · 11–20 empl.
The core activity of HOPSOL Africa is the development, construction and operation of solar power plants, including on- and off-grid solar systems, fuel-saving regulators and solar-diesel hybrid systems on a large technical scale, particularly for use in desert and desert-like regions.
Badertscher Projekte GmbH
Since 2012 · 1–10 empl.
Badertscher Projekte GmbH operates under the Badertscher Solar brand, providing planning and installation of photovoltaic systems. Its services include battery storage, backup power, electric vehicle charging stations, and support from roof assessment and permits through commissioning and maintenance.
Krieg Haustechnik GmbH
Since 2013 · 11–20 empl.
Krieg Haustechnik GmbH plans and installs heating and plumbing systems for new buildings, alterations and renovations. Its services include heat pumps, solar installations, bathroom remodelling, and maintenance and repairs for heating, plumbing and ventilation systems.
Solar Genossenschaft Zentralschweiz
Since 2013 · 1–10 empl.
Solar Genossenschaft Zentralschweiz operates photovoltaic installations and trades in solar electricity. The cooperative finances the construction and maintenance of its installations through members’ contributions and feeds the energy produced into the grid.
clevergie ag
Since 2013 · 11–20 empl.5.0(2)
clevergie ag plans, installs and maintains renewable energy systems for buildings. Its services include photovoltaic installations, heat pumps, battery storage and charging stations, integrated into connected energy systems, as well as energy management, maintenance and service.
KREATIV Solar SCHWEIZ GmbH
Since 2013 · 1–10 empl.
KREATIV Solar SCHWEIZ GmbH assesses the technical feasibility of photovoltaic and renewable-energy solutions in relation to building envelopes, construction and building operations. Its work includes evaluating systems and interfaces and supporting technical decisions and implementation.
Betschart Haustechnik GmbH
Since 2015 · 1–10 empl.
Betschart Haustechnik GmbH advises on, plans and carries out heating, ventilation and plumbing projects. Its services also include building energy analyses, advice on energy-efficient renovations, and maintenance and repair work.
HE Haustechnik und Heizsysteme GmbH
Since 2015 · 11–20 empl.
HE Haustechnik und Heizsysteme GmbH sells electric storage heaters, bathroom heaters and related accessories. It offers advice on heating for new builds, renovations and extensions, as well as systems to complement existing heating.
Thomas Fässler Immobilien AG
Since 2018 · 11–20 empl.
Thomas Fässler Immobilien AG provides services in roofing, sheet metal work, facades, flat roofs, chimney construction, lightning protection and solar systems. The company also offers energy consulting, GEAK analyses, and the installation of photovoltaic systems.
Solar Solutions AG
Since 2022 · 21–50 empl.
Solar Solutions AG is a B2B company specialising in the selection, procurement and quality control of solar energy products. It supplies solar modules, batteries, inverters and commercial and industrial solutions through wholesale distributors, including products under brands such as AEG, Electrolux and Duracell.
PVpro AG
Since 2022 · 1–10 empl.
PVpro AG is an independent platform that connects property owners with vetted photovoltaic installers and storage solution providers. The site analyses roof data, mediates up to three regional quotes from verified installers and enables comparison of real offers.
Purwatt AG
Since 2012 · 1–10 empl.
SABO Automation und Elektro GmbH
Since 2014 · 1–10 empl.4.3(8)
The core activity of SABO GmbH is the planning and installation of electrical systems, particularly in the field of building automation, as well as providing services in the field of energy generation through solar thermal energy and photovoltaics.
Suntherm AG
Since 2021 · 1–10 empl.
Suntherm AG plans, installs and services heating, cooling and electricity systems for residential buildings, businesses and renovation projects. Its offerings include heat pumps, heat-pump water heaters, photovoltaic systems, oil condensing boilers and mobile heating units, as well as consulting, installation and maintenance.
Schnyder Bedachungen/ Fassadenbau AG
Since 1999 · 11–20 empl.3.7(7)
Schnyder Bedachungen/ Fassadenbau AG carries out roofing and façade work. Its services include pitched and flat roofs, roof greening, photovoltaic systems, sheet-metal and lightning-protection work, renovations and roof maintenance.
Elektro Kessler GmbH
Since 2014 · 1–10 empl.5.0(3)
Elektro Kessler GmbH operates an electrical installation business. Its services include high- and low-voltage installations, security and telecommunications systems, maintenance and repair of electrical installations, and photovoltaic systems.
Dettling Holzbau AG
Since 1973 · 11–20 empl.5.0(5)
Dettling Holzbau AG is a timber construction company offering planning, interior finishing, roofing and renovation services. Its work also includes timber system construction, nail-plate trusses and solid-wood houses using the Holz100 system.
Rebsamen Haustechnik AG
Since 2003 · 1–10 empl.4.1(8)
Rebsamen Haustechnik AG plans and installs plumbing and heating systems for new buildings, conversions and renovations. Its services include heat pumps, wood and underfloor heating, solar systems, as well as repairs and maintenance.
Fässler Bedachungen - Bauspenglerei AG
Since 2007 · 11–20 empl.5.0(2)
Fässler Bedachungen - Bauspenglerei AG carries out sheet-metal roofing, roof and façade work, flat-roof work, chimney construction and lightning protection. Its services also include energy consultations, GEAK assessments and the installation of photovoltaic systems.
Inverta AG
Since 2023 · 1–10 empl.5.0(7)
Inverta AG carries out projects in photovoltaics, e-mobility, energy storage and heat pumps. The company provides planning, installation, commissioning, monitoring and maintenance services for residential and commercial customers.
ASTRONERGY SWITZERLAND GmbH
Since 2024 · 1–10 empl.
ASTRONERGY SWITZERLAND GmbH is part of Astronergy, a CHINT Group company. Astronergy develops, manufactures and sells high-efficiency crystalline silicon solar cells and photovoltaic modules.
F & W Holzbau AG
Since 1978 · 1–10 empl.5.0(3)
F & W Holzbau AG carries out timber construction, carpentry and roofing work. Its services also include building elements, façades, decking, renovations and photovoltaic 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).
Swiss Green Solutions AG
Since 2022 · 1–10 empl.
Swiss Green Solutions AG advises on photovoltaic and energy storage solutions. Through its Gstaad.Cloud brand, the company also provides IT infrastructure services, including data storage, archiving, and server and network operations.
schilter.tech GmbH
Since 2022 · 1–10 empl.
schilter.tech GmbH advises on energy-efficient, sustainable renovations and new builds involving building envelopes. Its services include energy and renovation consultations, photovoltaic and roof and façade planning, and support with execution and installation.
Elements 2 Energy AG
Since 2023 · 1–10 empl.
Elements 2 Energy AG connects providers of photovoltaic and heat-pump solutions with qualified prospective customers. It provides lead referral through automated processes.
Luce Elektro AG
Since 2004 · 1–10 empl.3.4(5)
Luce Elektro AG plans and installs electrical systems, including domestic electrical installations and lighting for gardens, terraces and parks. It also offers photovoltaic systems, energy storage and charging stations for electric vehicles.
ISSOL Schweiz AG
Since 2016 · 11–20 empl.4.0(1)
ISSOL Schweiz AG develops and supplies building-integrated photovoltaic solutions, including solar roof tiles and active glazing for roofs and façades. Its services also include design, technical engineering and project management for BIPV and façade projects.
SIENAR Solar GmbH
Since 2023 · 1–10 empl.
SIENAR Solar GmbH plans and delivers photovoltaic systems for residential and business customers. Its services include battery storage, smart energy management, and monitoring and support during system operation.
Photovoltaics in the Canton of Schwyz
Photovoltaics in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 7, 2026
Photovoltaics in other places
By canton