Photovoltaics in the
Canton of Appenzell Inner Rhodes

Elektro Sonderer AG

Since 1991 · 21–50 empl.·4.9(24)

Elektro Sonderer AG plans and installs power and low-voltage systems for new builds and renovations in agriculture, housing and commercial properties. Its services include electrical installations, photovoltaics, smart home and network technology, lighting and security solutions.

Elektro Schwizer AG

Since 1988 · 51–100 empl.·5.0(7)

Elektro Schwizer AG is an electrical contractor providing electrical installations and electrical planning and implementation. Its services include lighting, building automation, telephone and switchgear systems, security systems, photovoltaics, multimedia, e-mobility, and maintenance and repairs.

Appenzeller Energiekonzept AG

Since 2021 · 1–10 empl.·5.0(22)

Appenzeller Energiekonzept AG provides services related to photovoltaic systems and renewable energy. Its work includes consultancy and project planning, the design and installation of solar systems and electric-vehicle charging stations, and the cleaning, servicing and maintenance of photovoltaic systems.

Wild und Partner AG, Ingenieurunternehmung für Heizung, Lüftung, Klima- und Sanitärtechnik

Since 1975 · 11–20 empl.·5.0(5)

Wild und Partner AG, Ingenieurunternehmung für Heizung, Lüftung, Klima- und Sanitärtechnik plans and installs heating, ventilation and plumbing systems for new builds and renovations. It also provides repair and maintenance services.

natura solar AG

Since 1989 · 1–10 empl.

natura solar AG plans and installs photovoltaic systems for businesses, farms and properties. Its services include battery storage, energy management, roof renovations, and advice, planning and implementation of energy solutions.

schmid haustechnik ag-oberegg

Since 2009 · 1–10 empl.·4.5(8)

schmid haustechnik ag-oberegg plans and installs plumbing and heating systems, including heat pumps and other heating technologies, as well as solar thermal systems. Its services also include sheet-metal work, lightning protection, maintenance and repairs.

Federer Elektrotechnik AG

Since 2000 · 1–10 empl.·5.0(3)

Federer Elektrotechnik AG provides electrical installation services for new buildings and renovations, including planning, electrical drawings, implementation and construction supervision. Its services also include communications and satellite systems, photovoltaic installations, household appliances, and repair and maintenance services.

Fabian Dörig AG, Heizsysteme

Since 2010 · 1–10 empl.·4.7(3)

Fabian Dörig AG, Heizsysteme plans, installs, maintains and renovates heating, plumbing and ventilation systems. Its services also include consulting, repairs, core drilling and concrete cutting.

Velte Solartechnik GmbH

Since 2014 · 1–10 empl.·5.0(2)

Velte Solartechnik GmbH plans and installs photovoltaic systems for rooftops and open spaces. Its services also include consultation, commissioning, maintenance, repairs and solar-system cleaning.

Popsite AG

Since 2007 · 21–50 empl.

Popsite AG provides IT services and measurement solutions, as well as network and fibre-optic installation. Its services also include planning and installing photovoltaic and electrical systems, IT consulting, server hosting, and electrical installation testing.

RM Rempfler GmbH

11–20 empl.

RM Rempfler GmbH provides services in building envelopes, roofing, façade construction, thermal insulation and photovoltaic systems. The company also carries out maintenance, repairs, sealing work, crane services and other specialist services for roofs and façades.

SeONN AG

Since 2023 · 1–10 empl.