Solar & Photovoltaics in the
Canton of Grisons

99 companies in Solar & Photovoltaics based in the Canton of Grisons — name and year of registration from the commercial register.

Companies

50 of 99 companies

Rhiienergie AG (rhiienergie)

Since 1906

rhii natural electricitySolar system with or without storageSelf-consumption community (ZEV)

View profile4.1(12)

De-Stefani AG

Since 1973

HeatingPlumbingBathroom refurbishment

View profile4.3(6)

Giger + Storz AG

Since 1975

Electrical servicePhotovoltaic systemsEV charging stations

View profile5(3)

Brüesch AG

Since 1977

Bathroom renovationsSanitary installationsHeating installations

View profile5(10)

Morelisse Elektro AG

Since 1981

Electrical installations and maintenance

View profile4.8(5)

Georg Egli AG

Since 1981

Electrical installationsSolar system installationService and repairs for electrical appliances

View profile5(4)

Stecher AG

Since 1981

Building servicesBuilding envelopeConsulting / Planning

View profile4.8(8)

Weisstanner AG, Elektroanlagen

Since 1985

Electrical installationsPhotovoltaic systemsCharging systems for e-mobility

View profile5(2)

Roman Erni AG

Since 1986

Photovoltaic systemsSolar roofConsulting

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hassler energia alternativa ag

Since 1997

Solar solutionsSolar consultingBattery storage

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Walter Salzmann GmbH

Since 1997

Photovoltaic systems

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René Brun Alternative Technik AG

Since 1998

Planning and implementation of integrated energy conceptsPV off-grid systemsPV grid-connected systems

View profile5(7)

Marcel Levy GmbH

Since 1998

Home technology

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der elektriker Bera & Tempini AG

Since 2000

Electrical installations for renovations and new buildsService workRepair and maintenance work

View profile4.9(7)

Clement Elektro AG

Since 2000

Electrical installationsPhotovoltaicsSmart home

View profile4.6(23)

R. Vonplon Söhne AG Haustechnik

Since 2000

Heating refurbishments and installationsSanitary installationsPlumbing and heating service

View profile4.8(6)

ARI GROUP SAGL

Since 2001

Electrical and telephone installationsOff-grid and grid-connected photovoltaic systemsElectrical distribution boards

View profile5(5)

B. und H. Schuler-Rozzi, Schreinerei und Sanitäranlagen

Since 2003

Joinery and timber framingPlumbing, heating and solar technologySolid wood courses

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Dalaval GmbH

Since 2003

Milking systemsFarm ManagementCow comfort

View profile5(1)

Hartmann, Solartechnik

Since 2003

Photovoltaic systemsSolar thermal systems

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Livers Kontroll GmbH

Since 2004

Electrical inspectionsElectrical planningPhotovoltaics

View profile5(8)

Dachbau Frei AG

Since 2006

Pitched roofFlat roofSheet metal work

View profile4.6(11)

Nau Solar Systemtechnik GmbH

Since 2006

Photovoltaic systemsHeat pumpsSolar thermal

View profile4(4)

FEDERSPIEL SANITARI Sagl

Since 2006

Sanitary installationsHeating systemsInspection and replacement of boilers and water heaters

View profile5(1)

Calstrom GmbH

Since 2007

Solar power systemsThermosolar systemsHydropower plants

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Deflorin Elektroanlagen GmbH

Since 2007

Electrical installationsElectrical planningPhotovoltaics

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Roger Holzinger Haustechnik

Since 2007

Building servicesSolar thermal systemsCentral vacuum system

View profile4.7(3)

Köhle Bedachungen AG

Since 2008

Photovoltaic systemsBuilding envelopeRoof service & maintenance

View profile4.7(7)

electro cadi SA

Since 2009

PhotovoltaicsSmart homeSecurity technology

View profile4.7(3)

Groll Haustechnik AG

Since 2011

Plumbing installationsHeating installationsSolar systems

View profile4.8(6)

Plattner Gebäudetechnik AG

Since 2011

Sanitary installationsHeating systemsSolar systems

View profile5(3)

Ardüser Saas GmbH

Since 2012

HeatingPlumbingSolar thermal

View profile5(5)

BLUESOL GmbH

Since 2012

Concept planning with stratified storage technology

View profile2(1)

Frey Elektroanlagen AG

Since 2012

Electrical installationsPhotovoltaic systemsPlanning

View profile5(9)

REECH AG

Since 2012

Photovoltaic energy systemsResearch & developmentPlanning & conception

View profile5(3)

Solarmontagen.ch GmbH

Since 2013

Photovoltaic systemsSolar mounting and installationCustom PV solutions for high-alpine regions

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R. Rageth GmbH

Since 2013

PlumbingHeatingPlanning

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Elektro RES AG

Since 2013

Electrical installationsSolar systemsKNX bus systems

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DHP Technology AG

Since 2015

Solar folding roof HELIOFLEX®Solar folding roof project development and planningProject management and construction

View profile4.5(8)

J. Fretz GmbH, Spenglerei/Bedachungen/Solaranlagen

Since 2016

Roof renovationsSheet metal worksMaintenance services

View profile5(4)

Sonnbau AG

Since 2016

Solar power plantsOptisizerSolevator

View profile4.8(4)

tritec AG

Since 2016

Solar power systemsLarge-scale systems for companies & major projectsService services

View profile1(1)

Stieger Bedachungen & Spenglerei GmbH

Since 2017

RoofingSheet metal workPhotovoltaic systems

View profile5(2)

Elektro RES AG

Since 2017

Electrical installationsSolar systemsKNX bus systems

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Helia24 AG

Since 2017

Photovoltaic systemsStand-alone systemsElectrical installations

View profile5(2)

EOS Ristrutturazioni e Impianti di Sebastiano Conselmo

Since 2017

Photovoltaic systemsBuilding renovationsSolar and thermal systems

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Semadeni Impiantistica SA

Since 2017

Design and installation of building services systemsSheet metal work and roofing

View profile4.7(6)

Grigolo Instal

Since 2018

Solar energy systemsHeating systemsPlumbing installations

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Vassella Energie GmbH

Since 2020

Photovoltaic systemsSolar thermal systemsFeasibility studies

View profile5(1)

CASGRE GmbH

Since 2020

Roof-mounted photovoltaicsProject developmentsCustomer support

View profile5(3)

Show 38 more companies

Solar & Photovoltaics in the Canton of Grisons

99Solar & PhotovoltaicsCommercial register (Zefix) · as of August 26, 2026

2015Median year of registrationCommercial register (Zefix) · as of August 26, 2026

99in the Canton of GrisonsCommercial register (Zefix) · as of August 26, 2026

3,199in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Locations

Solar & Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 26, 2026

Largest places

Chur14

Place axis

Other industries in the Canton of Grisons

All companies in the Canton of Grisons

Restaurants658 Property Management644 Hotels562 Real Estate Project Development513 Management Consulting435 Architecture Firms379 Holding Companies361 Auto Repair Shops330 Fiduciary Offices313 Technical Consulting & Engineering308 Real Estate Brokerage296 IT Consulting & Services288 Timber Construction & Carpentry214 Advertising Agencies214 Retail - Bicycles & Sports Equipment212 Interior Construction211 Logistics & Transport Companies211 General Contractors205 Food Processing205 Plumbing & Building Services202 Electrical Planning & Installation194 Painting & Plastering191 Building Construction183 Cultural & Educational Organizations180 Automotive & Vehicle Trade178 Sports & Recreation Instruction176 Facility Management & Cleaning176 Building Maintenance171 NGOs & NPOs169 Software Development153 Civil Engineering152 Joinery147 Coaching & Personal Development142 Flooring & Tiling139 Retail - Textiles & Clothing128 Trade Fair & Event Organizers125 Retail - Food & Luxury Items121 Metal Construction118 Hair Salons117 Horticulture & Landscaping112 Accommodation Facilities108 Civil Engineering Firms106 Glass, Ceramics, Stone & Construction Materials Industry100 Holiday Apartments & Houses97 Construction & Project Management92 Online Shops92 Other Service Industries90 Housing Cooperatives89

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Solar & Photovoltaics in theCanton of Grisons

50 of 99 companies

Solar & Photovoltaics in the region

Solar & Photovoltaics in other places

Other industries in the Canton of Grisons

Solar & Photovoltaics in the
Canton of Grisons