Photovoltaics in
Frauenfeld
15 companies in Photovoltaics based in Frauenfeld — name and year of registration from the commercial register. The list below shows them all.
All 15 companies in Frauenfeld
alsol ag
Since 1999 · 21–50 empl.5.0(10)
alsol ag plans, installs and maintains solar energy systems. Its services also include battery storage, electric vehicle charging stations and intelligent energy management, from consultation and planning through commissioning and ongoing maintenance.
Habersaat AG
Since 1966 · 21–50 empl.4.4(17)
Habersaat AG provides electrical installation and engineering services. Its activities include planning and consulting, lighting and building technology, photovoltaics, electric mobility, telecommunications and network solutions, as well as the sale of electrical accessories.
RG Energietechnik GmbH
Since 2008 · 11–20 empl.4.6(20)
RG Energietechnik GmbH plans and installs photovoltaic systems for residential and commercial customers. The company advises on battery storage and self-consumption, assists with permits and funding applications, and provides maintenance and electric vehicle charging solutions.
Plica AG
Since 2008 · 21–50 empl.4.3(3)
Plica AG supplies system components and products for electrical engineering and industrial applications. Its range includes flexible metal and plastic conduits for cable protection, cable glands, installation and fastening materials, tools, and products for photovoltaics, e-mobility and security technology.
Ellenbroek Hugentobler AG
Since 1975 · 21–50 empl.4.8(10)
Ellenbroek Hugentobler AG is an electrical engineering company offering services such as electrical installations, network construction, telematics, building services, photovoltaics, e‑mobility and service/maintenance. The company also provides planning, consulting and control/security solutions and is part of the Baumann Koelliker Gruppe.
Leutenegger Elektro & Gebäudeautomation GmbH
Since 2021 · 1–10 empl.4.7(13)
Leutenegger Elektro & Gebäudeautomation GmbH plans and carries out electrical installations for residential and business customers. Its services include building automation and smart-home systems, photovoltaic installations, multimedia solutions, and maintenance and repair work.
sunig GmbH
Since 2022 · 1–10 empl.
sunig GmbH plans and installs photovoltaic systems for homes, agricultural properties and businesses, with options ranging from customer-assisted construction to turnkey projects. Its services also include battery storage, energy management, building automation, ZEV and LEG solutions, maintenance and solar courses.

Klarsicht Kienast GmbH
Since 2026 · 1–10 empl.5.0(11)
Klarsicht Kienast GmbH offers window cleaning, blinds cleaning, and photovoltaic cleaning. The company cleans glass surfaces, window frames, and slats, as well as solar installations for private and business customers.
visaVento Solar AG
Since 2023 · 1–10 empl.2.3(3)
visaVento Solar AG develops and delivers renewable energy projects, including solar parks, agrivoltaic systems, industrial rooftop installations and solar carports. Its activities also include wind and hybrid energy systems, with services spanning project planning, installation, commissioning and maintenance.
Stephan Wyss AG
Since 2000 · 1–10 empl.
riesen.energy Solar
Since 2024 · 1–10 empl.
tecteam AG
Since 2024 · 1–10 empl.
Photovoltaics in Frauenfeld
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