Photovoltaics in the
Canton of Appenzell Outer Rhodes
41 companies in Photovoltaics based in the Canton of Appenzell Outer Rhodes — name and year of registration from the commercial register. The list below shows them all.
All 41 companies in the Canton of Appenzell Outer Rhodes
schaer energie ag
Since 2011 · 1–10 empl.5.0(14)
schaer energie ag plans and installs photovoltaic systems for single- and multi-family homes. The company advises on solar installations and battery storage, and handles planning, installation and commissioning.
Gülünay GmbH
Since 2011 · 1–10 empl.4.7(69)
Gülünay GmbH offers apartments and houses for rent, produces solar electricity, and provides indoor and outdoor parking. The indoor parking facility has charging stations for electric vehicles.
Diener Haustechnik AG
Since 2010 · 1–10 empl.4.7(13)
Diener Haustechnik AG provides plumbing, heating and solar technology services, as well as tank inspections. Its work includes installations, repairs and maintenance for new buildings and renovation projects.
Elektro Knöpfel AG
Since 1989 · 1–10 empl.5.0(7)
The core activity of Elektro Knöpfel AG includes the planning and installation of electrical systems, including lighting, photovoltaics, network and internet solutions, telephony and TV systems.
Nigg Energietechnik AG
Since 1998 · 11–20 empl.4.8(6)
Nigg Energietechnik AG plans and installs heating, ventilation, air-conditioning and refrigeration systems for new buildings and renovations. Its services include heat generation and distribution systems, as well as maintenance, repairs and conversions.
Helios Swiss Solution AG
Since 1994 · 1–10 empl.5.0(9)
Fyrosol AG
Since 1991 · 1–10 empl.
Fyrosol AG plans, installs and maintains solar power systems and offers electricity storage and heat pumps. It also helps align heating and hot-water systems with solar production and provides monitoring apps and building simulations.
AST Eissport- und Solaranlagenbau AG
Since 1991 · 21–50 empl.
AST Eissport- und Solaranlagenbau AG plans and builds mobile and permanent ice rinks, as well as solar and artificial-turf heating systems. Its products also include rink boards, ice-resurfacing machines and other equipment for ice rinks and sports facilities.
GT Solar Invest AG
Since 2010 · 11–20 empl.
GT Solar Invest AG provides solar contracting for businesses and private properties. It assesses energy needs, plans and installs solar systems on leased rooftops, and manages their operation and maintenance; customers purchase the generated solar electricity at a price agreed in advance.
Welz Wasser- und Energietechnik AG
Since 2013 · 1–10 empl.
Welz Wasser- und Energietechnik AG advises on, plans and installs heating and plumbing systems as well as building services solutions. Its services include heat pumps, district heating, controlled residential ventilation, heat and cooling exchange systems, and maintenance work.
streetopia ag
Since 2015 · 11–20 empl.
streetopia ag develops and implements automation solutions for public urban spaces, industry and SMEs. Its offerings include autonomous robots for intralogistics, cleaning, healthcare and security, as well as photovoltaic products, inverters and battery storage.
Lumisol GmbH
Since 2013 · 1–10 empl.
Lumisol GmbH provides photovoltaic systems and related services for residential and commercial clients, including consultation, system design, installation, maintenance, and battery storage with monitoring. The company carries out electrotechnical work limited to the installation of electrical high-current systems and equipment up to 1500 volts and 150 kilowatts, and the installation of lightning protection systems.
E-Q GmbH
Since 2020 · 11–20 empl.
E-Q GmbH operates an electrical installation business, offering electrical wiring and network planning, photovoltaic systems, smart-home solutions, and telematics and VoIP communications. Its services include planning, implementation, and maintenance.
solartoys.ch, Peter Wüthrich
Since 2016 · 1–10 empl.
solartoys.ch, Peter Wüthrich designs and sells solar toys and kits for solar-powered vehicles and objects. Its product range includes solar drives, solar cells and modules, solar motors, and components for building solar-powered projects.
Lio - Solar GmbH
Since 2023 · 1–10 empl.5.0(12)
The core activity of Lio-Solar GmbH is the planning, installation and maintenance of photovoltaic systems (PV systems) as well as consulting and implementation of battery storage systems, commercial and large-scale storage systems, electric vehicle charging stations and energy management solutions. The company offers complete solutions for the use of solar energy, including system analysis, yield optimization and repairs.
PVT-Schweiz GmbH
Since 2008 · 1–10 empl.5.0(2)
PVT-Schweiz GmbH plans and installs photovoltaic systems using European solar modules, as well as battery storage and backup systems. Its services include consulting, subsidy administration, monitoring, and solutions featuring Enphase microinverters and fire protection.
Elektro Handwerk AG
Since 2019 · 1–10 empl.5.0(2)
Elektro Handwerk AG plans and installs electrical systems for new buildings, conversions and renovations. Its services include repairs, maintenance and fault resolution, as well as photovoltaic systems, battery storage, electric mobility solutions, smart-home technology and low-voltage installations.
Alpen Solar GmbH
Since 2025 · 1–10 empl.
Alpen Solar GmbH plans and installs photovoltaic and solar systems for residential and commercial customers. Its services cover planning and permits, installation and commissioning, battery storage with backup power, inspections, maintenance and cleaning.
Kopernikus Energy KLG
Since 2025 · 1–10 empl.
Kopernikus Energy KLG plans and implements photovoltaic systems and energy projects for building and open-area sites. The company also provides consulting, planning, execution, and after-sales service related to heat pumps and energy-efficient renovations.
SGT GmbH
Since 2025 · 1–10 empl.
swissjoule gmbh
Since 2017 · 1–10 empl.
swissjoule gmbh develops and supports renewable energy and energy-efficiency projects. Its services include project planning, financial modelling and financing, as well as solutions involving solar, wind and hydropower, water purification and waste processing.
easysolar europe GmbH
Since 2020 · 1–10 empl.
easysolar europe GmbH provides photovoltaic services and consulting for business customers. Its photovoltaic offering is aimed at both commercial and private customers.
Energiewerk GmbH
Since 2024 · 1–10 empl.
Energiewerk GmbH operates photovoltaic installations under a contracting model. It installs systems on rooftops and offers customers electricity at a reduced tariff without requiring them to invest in the installation themselves.
PeakSolar GmbH
Since 2025 · 1–10 empl.
Swiss Ecotec GmbH
Since 2008 · 1–10 empl.
FBS AG
Since 2012 · 1–10 empl.
Hans Jörg Schwarz Integra Sol
Since 2013 · 1–10 empl.
XTEGRASOL GmbH
Since 2013 · 1–10 empl.
Lindenbaum Solar GmbH
Since 2015 · 1–10 empl.
VMR Consultants AG
Since 2017 · 1–10 empl.
ABAKUS Group GmbH
Since 2017 · 1–10 empl.
SiA Bau AG
Since 2019 · 1–10 empl.
Fux Invest GmbH
Since 2020 · 1–10 empl.
Green Energy & Real Estate AG
Since 2020 · 1–10 empl.
Vogt Solar & Autarkie
Since 2022 · 1–10 empl.
Dach Rendite GmbH
Since 2023 · 1–10 empl.
EcoPowerSwiss AG
Since 2023 · 1–10 empl.
Züst Dach & Holz GmbH
Since 2024 · 1–10 empl.
energiepark teufen ag
Since 2025 · 1–10 empl.
Manuel Spycher
Since 2025 · 1–10 empl.
Elektro Weidele
Since 2026 · 1–10 empl.
Photovoltaics in the Canton of Appenzell Outer Rhodes
Photovoltaics in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 7, 2026
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