Solar & Photovoltaics

ETAVIS Elettro-Impianti SA 

Bellinzona · Since 2025

ETAVIS Elettro-Impianti SA provides electrical engineering, communication and building automation services, including design, installation and maintenance of electrical systems. Its offerings include inspections, energy-efficiency and solar solutions, charging infrastructure for electric mobility, project management and data-center-related services as well as on-call support.

VoltNet GmbH 

Arisdorf · Since 2025

The core activity of VoltNet GmbH is the planning, installation, maintenance and consulting of electrical systems and solar solutions for private customers, commerce and industry. This includes in particular: electrical installations for residential, commercial and industrial buildings; photovoltaics (PV) - consulting, planning and installation of solar systems; electromobility - installation of charging stations; building system technology; certified specialist inspection and acceptance of electrical installations; lightning protection and device testing; expertise and consulting for network analysis and electrobiology. The company thus offers comprehensive solutions for electrical engineering and solar energy.

Polar Solar GmbH 

Schlieren · Since 2025

Polar Solar GmbH provides solar contracting for owners of large roofs and sizable private customers, taking responsibility for the planning, financing, installation, and operation and maintenance of photovoltaic systems. The company leases roof space on long-term contracts, supplies the generated electricity on site, and manages lease payments and billing.

Solion GmbH 

Derendingen · Since 2025

Solion GmbH provides planning, consulting, installation and maintenance of photovoltaic systems and solar solutions for residential and commercial customers. The company carries out site analysis, handles permits, offers system monitoring and provides assistance with funding and financing options.

Swiss Solarmontagen GmbH 

Romanshorn · Since 2025

EnergieOn GmbH 

Müllheim Dorf · Since 2025

EnergieOn GmbH provides sales, planning, installation, maintenance and repair of photovoltaic systems, along with energy consulting and project engineering. The company also offers facility management services (cleaning, technical maintenance, groundskeeping, winter services), e-mobility solutions and monitoring/servicing of solar installations.

GROUPE CURIE - GEFARM AG 

Winterthur · Since 2025

GROUPE CURIE - GEFARM AG designs and supplies integrated energy storage and industrial energy systems, including sodium–nickel battery energy storage systems (BESS), photovoltaic integration, and Power‑to‑X solutions.

Nodera AG 

Solothurn · Since 2025

Nodera AG develops and operates photovoltaic systems and provides services to finance and flexibilize solar installations, including temporary or permanent purchase of systems to release capital. Services include turnkey solutions, an offer-calculator tool and 24/7 monitoring of installations via Nodaira.

Solcare Sàrl 

Martigny · Since 2025

Solcare Sàrl provides professional maintenance services for solar photovoltaic systems, including cleaning, inspections, diagnostics and repairs. Its offerings also include remote monitoring and performance checks, drone thermal inspections, energy storage solutions and subscription-based maintenance plans.

WTX Solar Sàrl 

Haute-Nendaz · Since 2025

WTX Solar Sàrl installs and maintains solar photovoltaic systems. The company carries out feasibility studies, assists with financing and subsidy applications, and provides planning, installation and ongoing maintenance for photovoltaic projects.

Energymoov Swiss Sàrl 

Châtelaine · Since 2025

Energymoov Swiss Sàrl offers installation and maintenance of heat pumps and the design and installation of photovoltaic solar panels. The company provides energy-renovation advice, free project studies, commissioning and after-sales service, and assistance with subsidy applications, and holds GSP and PAC Système Module certifications.

Capner Switzerland S.A. 

Neuchâtel · Since 2025

Capner Switzerland S.A. supplies integrated energy solutions including photovoltaic panels, battery storage systems, electric vehicle charging stations and thermodynamic water heaters. The company performs energy-bill analysis, provides consultancy and manages design, installation and after‑sales support for residential and commercial customers.

livolt ag 

Schenkon · Since 2025

livolt ag distributes battery storage systems and provides tailored storage solutions for residential and commercial applications. Products are sold exclusively through qualified electrical service providers; the company operates a B2B webshop and offers support and maintenance services.

EVOSOLAR AG 

Murten · Since 2025

AI Elektro AG 

Adliswil · Since 2025

AI Elektro AG provides electrical engineering services including electrical installations, building automation, project planning, IT projects and renewable energy systems. The company delivers solutions for residential, industrial and commercial projects, covering planning, installation and integration of photovoltaic and smart‑building systems.

EPB Elektro-Kontrollen GmbH 

Schlossrued · Since 2025

EPB Elektro-Kontrollen GmbH performs periodic electrical inspections, acceptance checks and device testing. The company issues safety certificates (SiNa) and defect reports, provides attestations for photovoltaic installations (Pronovo), conducts sampling inspections for energy utilities, and offers electrical and safety consultancy with ESTI-authorised control personnel.

Mirco Germann GmbH 

Hefenhofen · Since 2025

Mirco Germann GmbH provides professional solar panel cleaning services for photovoltaic systems. It cleans panels, frames and gaps using pure water and specialised brush systems without chemical cleaners, focusing on single-family homes and medium-sized installations and coordinating further maintenance with partner companies when required.

Power Cloud Sàrl 

Saxon · Since 2025

Power Cloud Sàrl provides solar contracting solutions and installs photovoltaic systems on client buildings at no upfront cost. Property owners make roof, parking or façade surfaces available and receive rent or access the produced electricity at a company-stated price about 20% below the grid tariff; services include battery storage and intelligent energy management to optimise self-consumption.

Forza Pure GmbH 

Rieden Ag · Since 2025

Forza Pure GmbH supplies renewable energy systems including vertical wind generators (i‑WIND), battery storage solutions and photovoltaic modules. The company provides planning, installation and financing services for grid‑tied and off‑grid systems and offers integrated solutions such as EV charging and electric heating.

AQUATHERM Installationen GmbH 

Basel · Since 2025

AQUATHERM Installationen GmbH provides sanitary and heating services and operates a 24/7 emergency service for pipe bursts, water damage and blocked drains. The company performs repairs, maintenance, pipe and drain cleaning, sanitary installations and boiler servicing for residential and commercial clients.