Solar & Photovoltaics

Ägerital Energie Genossenschaft 

Oberägeri · Since 2014

The core activity of Ägerital Energie Genossenschaft is the production and sale of regional solar power from photovoltaic systems in the Ägerital and Menzingen regions. The company enables private individuals and companies to obtain 100% solar power from the region, thereby supporting climate protection.

Alteno AG 

Basel · Since 1987

The core activity of Alteno AG encompasses the planning, consulting and implementation of sustainable building technology and solar energy solutions. This includes in particular: planning of heating systems (heat pumps, wood heating systems, district heating); planning of photovoltaic systems with battery storage and e-mobility; energy consulting for large consumers, gastronomy, bakeries and commerce; load management and operational optimization; residential ventilation and ventilation systems for industry and commerce; ENAW target agreements for large consumers and energy operational optimization; strategic property owner consulting and concept development; expert opinions and reports for building energy systems. The company thus offers comprehensive services in the field of sustainable energy and building technology.

Altersol SA 

Bedano · Since 1991

The core activity of Altersol SA is the planning, installation and maintenance of renewable energy systems, particularly in the field of solar energy, including: Solar Photovoltaics (generation of electricity from solar energy), Solar Thermal (generation of heat from solar energy), Heat Pumps, Wood and Pellet Heating, Heating Systems and Temperature Control Systems. The company also offers services such as consulting, planning and installation of these systems.

A.M.P. Cheminée & Solaire, Daniel de Joffrey 

Montreux · Since 2003

The core activity of AMP Cheminée & Solaire is the planning, installation, maintenance and repair of heating systems, in particular: installation and maintenance of chimneys and flues, installation and maintenance of wood-burning stoves and other heating systems, maintenance and repair of oil-fired heating systems, installation and maintenance of solar panels, and cleaning and maintenance of chimneys and flues. The company also offers consulting services in the field of energy efficiency and heating systems.

anbeda AG 

Zug · Since 2017

anbeda AG runs a solar blog and provides support for do-it-yourself photovoltaic system builders, offering planning assistance, material advice and guidance up to grid connection and commissioning. The website publishes project reports, step-by-step self-build guides and practical information on photovoltaic systems; anbeda AG holds an ESTI installation permit according to NIV Art. 14.

Andreas Sprecher Haustechnik und Oelbrennerservice GmbH 

Buchs Sg · Since 1996

The core activity of Sprecher Haustechnik encompasses the planning and execution of heating systems, sanitary installations, air conditioning, solar systems and oil burner services. They offer professional services in the areas of heating, sanitation, renewable energy and industrial installations.

Araxa Solarbau AG 

Abtwil Sg · Since 2024

Araxa Solarbau AG is a specialist installation firm focused on the professional assembly of photovoltaic systems, covering mechanical mounting and electrical wiring up to the inverter. Services include drone surveying and PV‑Sol planning, thermal imaging, maintenance and cleaning, component inspections and documentation, provided primarily as a subcontractor to PV and electrical installation companies.

Astenis AG 

Stans · Since 2019

The core activity of Astenis AG encompasses two main areas: 1. **Energy Consulting and Photovoltaics**: The company provides consulting services for private individuals and companies in the field of energy efficiency and photovoltaics. This includes planning and implementation of PV systems, energy optimization, and reduction of the ecological footprint. 2. **Business Consulting**: Astenis AG offers business consulting services for small and medium-sized enterprises (SMEs) and start-ups. This includes the development of strategies for sustainable growth, success, and increased profitability.

Bau fair GmbH 

Bichelsee · Since 2010

The core activity of Bau Fair GmbH encompasses the planning, execution, and installation of construction projects, particularly: new construction, renovation, and expansion of single-family homes, multi-family homes, commercial buildings, farms, barns, and public buildings, as well as the installation of photovoltaic systems. The company also provides comprehensive support, from needs assessment to planning, execution, and warranty for the work.

Bauvolt Sàrl 

Léchelles · Since 2024

BAUVOLT is a provider of renewable energy solutions and electrical installations in Switzerland. The core activities include: planning, installation and maintenance of photovoltaic systems, sales and installation of battery storage systems, installation of charging stations for electric vehicles, sales and installation of heat pumps and thermodynamic storage systems, building insulation, energy management and optimization, and maintenance and repair of electrical systems. BAUVOLT thus offers comprehensive solutions for the use of renewable energy and the optimization of energy consumption in Switzerland.

Bischofberger Bedachungen AG 

Züberwangen · Since 2013

The core activity of Bischofberger Bedachungen AG is the provision of services in the field of roofing and scaffolding work, including photovoltaic systems, flat roof work and carpentry work.

BLUESOL GmbH 

Felsberg · Since 2012

The core activity of BLUESOL GmbH is the development and marketing of layered storage technology, particularly in the field of solar energy, specifically hybrid collectors.

BORTIS Dächer und Fassaden 

Baar · Since 1997

The company Bortis Dächer und Fassaden offers services in the field of roof and facade work. The core activities include: planning, coordination and execution of pitched roof, flat roof and facade projects; renovation and refurbishment of existing roofs and facades; installation of roof windows and photovoltaic systems; maintenance and repair of roofs; design and execution of roof terraces and facades. The company thus provides comprehensive solutions for the design, renovation and maintenance of roofs and facades.

Boss Elektro GmbH 

Rüedisbach · Since 2022

The core activity of Boss Elektro GmbH is the planning and implementation of electrical installations, including the implementation of modern and future-proof solutions in the electrical sector.

Britt Haustechnik AG 

Ebnat-Kappel · Since 2012

The core activity of Britt Haustechnik AG is the provision of services in the field of building technology, particularly in the areas of competence of sanitary, heating, plumbing and solar technology/PV.

Ch. Bieri Elektro GmbH 

Schachen Lu · Since 2004

The core activity of Bieri-Elektro GmbH is the provision of electrical services, including: installation of electrical systems for new and renovation projects, repairs and maintenance of electrical appliances and systems, rental and installation of electrical equipment for events and temporary installations, installation of photovoltaic systems and LED solutions, electrical inspections and safety consulting, installation of lighting and fire alarm systems, and installation of intercom and video surveillance systems. The company thus offers a wide range of electrical services for private and business customers.

Christophe Etienne Chauffage - Sanitaire 

Le Châtelard-Près-Romont · Since 2016

Christophe Etienne Chauffage - Sanitaire provides planning, installation and maintenance services for heating, sanitary and solar thermal systems. Offerings include air‑to‑water and geothermal heat pumps, oil/pellet/wood boilers, solar thermal collectors, sanitary installations and bathroom renovations, together with repairs, descaling and water‑treatment services.

clevergie ag 

Hinwil · Since 2018

clevergie ag provides integrated renewable energy solutions, including photovoltaic systems, heat technology, battery storage and e-mobility. The company offers planning, energy consulting, installation and service/support for decentralized energy systems and sector coupling.

clevergie ag 

Bennau · Since 2013

clevergie ag provides integrated renewable energy solutions, offering planning, installation and maintenance services for photovoltaic systems, heat technology, battery storage, electric mobility and sector coupling, as well as energy consulting and service/support.

clevergie ag 

Dottikon · Since 2024

clevergie ag provides integrated renewable energy solutions and sector coupling, focusing on photovoltaic systems, heat technology, e‑mobility and energy storage. The company offers energy consulting, planning, installation and ongoing service/support for residential and commercial projects.