Companies in
Solar & Photovoltaics

Astrostrom GmbH

Research & Development · Kaltenbach · Since 2005

The core activity of Astrostrom GmbH is the development and promotion of clean and inexhaustible energy from space, particularly through the use of extraterrestrial resources and advanced robotics technology. The company acts as a think tank and focuses on promoting the economic, technological and cultural dimensions of space-based energy generation.

Attitude Solaire Sàrl

Solar & Photovoltaics · Geneva · Since 2024

The core activity of Attitude Solaire SARL is the planning, implementation and monitoring of photovoltaic projects, particularly in the Geneva region, Switzerland. The company offers customized solutions for the installation of solar systems, including autoconstruction (self-build) and project implementation support. Attitude Solaire supports customers in selecting and installing suitable materials, applying for subsidies and optimizing energy production.

Audito AG

Solar & Photovoltaics · Lucerne · Since 2014

The core activity of Audito AG is the performance of periodic inspections and safety tests for electrical installations, particularly photovoltaic systems, as well as the creation of expert reports and the assumption of final inspections and independent acceptance tests. This also includes lightning protection inspections and verification that electrical installations meet all standards and regulations.

Aurinko Energy AG

Solar & Photovoltaics · Brig · Since 2023

The core activity of Aurinko Energy is the targeted promotion and expansion of photovoltaic systems on the roofs of small and medium-sized enterprises (SMEs) in Switzerland.

Solar3 di Fornera Thomas

Solar & Photovoltaics · Ascona · Since 2022

The core activity of AVONIA Solar Energy is the planning, implementation and distribution of solar systems and other renewable energy systems, including consulting and support for the transition to alternative energy sources such as photovoltaics and heat pumps.

BÄCHI POWER

Solar & Photovoltaics · Haag (Rheintal) · Since 2023

BÄCHI POWER is primarily engaged in the development, manufacture and distribution of products and services in the field of renewable energies, particularly solar energy and energy storage. The core activities include consulting, delivery and installation of photovoltaic systems, energy storage systems and related components such as inverters and batteries. In addition, the company also offers services such as planning and project planning of energy storage and photovoltaic systems.

Bächler Energie AG

Energy Suppliers · Rechthalten · Since 2012

The company's core activity is the management and provision of information and services for the municipality of Rechthalten, including the areas of waste management, social services, commerce, tourism, education, churches and administration. It is an official website of the municipality, providing information and services to citizens.

Badertscher Haustechnik GmbH

Plumbing & Building Services · Walkringen · Since 2003

The core activity of Badertscher Haustechnik GmbH is the planning, consulting, sales, installation and maintenance of heating and sanitary systems, including the use of various energy sources such as oil, gas, pellets, wood chips and solar energy. The company also operates an exhibition and a shop for heating and sanitary systems and offers service and maintenance services for these systems.

BALATEK GmbH

Electrical Planning & Installation · Au Sg · Since 2024

BALATEK GmbH provides planning, supply, installation and maintenance of residential solar power systems, including battery storage and solar-powered charging solutions.

Bally Énergie Sàrl

Solar & Photovoltaics · Nyon · Since 2024

The core activity of Bally énergie is the planning, installation and maintenance of systems for the production and distribution of renewable energy, particularly: photovoltaic installations, energy storage systems (batteries), electric vehicle charging points (charging stations) and monitoring and optimization of energy consumption. The company also provides consulting and planning services for the implementation of energy projects, with the aim of finding an efficient and aesthetic solution that is both cost-effective and environmentally friendly.

Barko Energie AG

Solar & Photovoltaics · Sursee · Since 2024

The core activity of Barko Energie AG is the production and sale of sustainable energy, in particular through the installation and operation of photovoltaic systems (PV systems) on the roofs of buildings owned by Barko Immobau AG.

Battaglia Elektro-Bau GmbH

Solar & Photovoltaics · Sarmenstorf · Since 2023

The core activity of Battaglia Elektro-Bau GmbH is the provision of services in the field of electrical installation and construction, particularly in the field of solar energy.

Bauen mit Leuppi

Interior Construction · Bremgarten Ag · Since 2020

The core activity of the company 'Bauen mit Leuppi' consists of planning, manufacturing, assembling and supervising facades, particularly glass facades, metal facades and other specialized facade solutions for buildings. The company offers full-service solutions, from consulting and planning to execution and billing of facade projects.

Baumann Enertech

Solar & Photovoltaics · Altendorf · Since 2006

Baumann Enertech supplies electric heating and climate-control equipment, including direct heaters, infrared heaters, bathroom radiators, storage and underfloor heating systems, heating cables and control devices. The company also provides photovoltaic systems, air-conditioning and dehumidification units, spare parts, technical consulting, installation documentation and after-sales support.

Baumann & Partner

Solar & Photovoltaics · Altendorf · Since 2009

Baumann & Partner supplies electric heating systems and climate-control devices, including heating cables, bathroom heaters, infrared panels and storage heaters. The company also provides photovoltaic systems, control/regulation devices, spare parts, technical support and consulting for project planning and installation.

baustatt GmbH

Solar & Photovoltaics · Basel · Since 2022

The company baustatt GmbH specializes in the planning, coordination and implementation of aesthetically pleasing photovoltaic systems that harmoniously integrate into the architecture of buildings. The core activity includes the installation of solar systems, often in combination with sustainable roof renovations, using natural materials and climate-positive insulation. The company also offers customers the opportunity to actively participate in the construction of their own solar system.

Bayer Engineering

Solar & Photovoltaics · Weinfelden · Since 2022

Bayer Engineering provides consulting and project support for renewable energy projects, with services including photovoltaic advice, system planning, project coordination/technical site management, and energy billing (ZEV, vZEV, LEG). Services include analysis and optimisation of existing systems and support for residential and industrial projects from planning through implementation.

Bayer Solar AG

Solar & Photovoltaics · Weinfelden · Since 2024

Bayer Solar AG provides consultancy for renewable energy and photovoltaic systems, including system design, project support and technical site supervision. Services include analysis and optimization of existing installations and energy billing for ZEV, vZEV and LEG.

BeeNova SA

Solar & Photovoltaics · Forel (Lavaux) · Since 2022

The core activity of BeeSolar is to offer a solution for the installation and operation of solar energy systems on the roofs of rental buildings. The company analyzes the potential of the buildings, creates an investment plan and takes care of the administrative processing, including installation, sale of electricity to tenants and communication with the various parties involved. The goal is to provide building owners with a simple and profitable way to equip their properties with solar energy.

BE Netz Energie AG

Solar & Photovoltaics · Lucerne · Since 1999

BE Netz Energie AG is a renewable energy company providing consulting, planning and installation of photovoltaic and solar thermal systems and replacement heating solutions such as heat pumps and biomass boilers. Its services include battery storage, e-mobility charging systems, energy management and lifecycle services such as monitoring, maintenance and decommissioning.

BE Netz AG

Solar & Photovoltaics · Lucerne · Since 2004

BE Netz AG provides planning, installation and maintenance of solar systems, heat pumps and battery storage, and offers solutions for e‑mobility, smart‑home integration and energy management.

BEO Electrocontrol GmbH

Solar & Photovoltaics · Innertkirchen · Since 2021

The core activity of BEO Electrocontrol GmbH is the provision of services in the field of electrical control systems and photovoltaic systems. Specifically, this includes: Periodic inspections and acceptance tests of electrical installations, inspections and acceptance tests of photovoltaic systems, certification of photovoltaic systems up to 100 kVA, planning, design and yield-economic calculation of PV systems, recommendations for mounting systems and cost estimates, and optimization of self-consumption for PV systems. The company thus offers a comprehensive range of services for the planning, installation and maintenance of electrical and photovoltaic systems.

Berta Peter Stiftung

Solar & Photovoltaics · Hedingen · Since 1973

The company's core activity is solar energy.

Betschart AG Holz + Elektro

Solar & Photovoltaics · Muotathal · Since 2009

The core activity of Betschart AG Holz und Elektro primarily encompasses services and products in the field of electrical engineering, including: electrical installations, service and customer support, planning and consulting, photovoltaic systems, electric mobility, lifting platforms, fault rectification, and an electrical shop (although currently closed, it was originally part of the offering). Additionally, the company is also active in wood processing, although this does not appear to be the focus of its current activities.

Betschart Haustechnik GmbH

Solar & Photovoltaics · Einsiedeln · Since 2015

The core activity of Betschart Haustechnik GmbH is the planning, execution and maintenance of sanitary and heating systems, including the implementation of energetic building analyses and consulting on energy-efficient solutions.

B&H Energie GmbH

Solar & Photovoltaics · Zurich · Since 2011

The core activity of B&H Energie GmbH is the planning, implementation and operation of sustainable solar energy solutions, in particular the construction of photovoltaic systems (PV systems) for single-family homes, rental properties and condominiums. This also includes services such as energy contracting, billing services for electricity supply and the integration of e-mobility solutions into the existing energy infrastructure.

Biber Energy Network

Technical Consulting & Engineering · Uerikon · Since 2008

The core activity of biber.solar is the development and provision of solutions for the use of solar energy.

bicenergy GmbH

Solar & Photovoltaics · Wallisellen · Since 2007

The core activity of bicenergy GmbH is the development, manufacture and provision of sustainable energy and infrastructure solutions, particularly in the field of renewable energies, such as solar systems and energy storage systems. The company offers standardized and customer-specific solutions for various fields of application, including private households, companies, farmers and independent villages. The solutions are designed to meet the energy needs of people in different parts of the world, especially in regions with limited access to electricity.

Bieler & Bochatay

Solar & Photovoltaics · Lausanne · Since 2008

The core activity of Bieler & Bochatay is the financing, planning, development, implementation and management of solar installations on rooftops of buildings. The company offers two main services: 1. Consulting and support for the realization of solar projects for property owners who wish to install their own solar system. 2. Financing and implementation of solar installations on rooftops of buildings, where the installation is owned by the company and the property owner receives the produced electricity at a preferential rate. The company focuses on Switzerland, particularly on the regions of Vaud, Fribourg, Valais and Geneva.

Bill Haustechnik AG

Solar & Photovoltaics · Utzenstorf · Since 2023

The core activity of Bill Haustechnik AG is the planning, implementation and coordination of bathroom renovations, including consulting, planning, execution and handover of individual bathroom projects. The company also operates a sanitary exhibition and collaborates with craftsmen to ensure a smooth and efficient implementation of the projects.

ABSOM GmbH

Solar & Photovoltaics · Hinwil · Since 2022

The core activity of B-InRoof Systems is the development, manufacture and marketing of integrated photovoltaic roof systems (BIPV) for various applications, including residential homes, commercial properties and other buildings. The company offers specially developed roof systems that integrate solar panels into the roof structure to provide an efficient and aesthetic solution for energy generation.

BK-Photovoltaik GmbH

Electrical Planning & Installation · Zollikon · Since 2024

BK-Photovoltaik GmbH provides sales, manufacturing, installation, service and consulting for renewable energy systems, focusing on solar system technology. Its services include planning, installation and commissioning of photovoltaic systems, energy storage solutions and assistance with subsidy procedures and ongoing maintenance. The company is a member of the professional association Swissolar.

Blockstrom AG

Solar & Photovoltaics · Bern · Since 2017

The core activity of Blockstrom AG is the digital capture, management and optimization of energy consumption data, particularly in the areas of solar power, electromobility, water and heat. The company offers consulting, project management, measurement and billing of energy consumption, as well as the development of solutions for consumption optimization and the integration of renewable energies.

Bluebird Photovoltaics Sàrl

Solar & Photovoltaics · Marin-Epagnier · Since 2025

Bluebird Photovoltaics Sàrl develops customized solar panels for mobility applications and high‑efficiency autonomous systems. The company designs, develops, tests and manufactures photovoltaic modules from prototype development to small‑series production and supplies OEM solutions for sectors such as aeronautics, high‑altitude generators, automotive, marine and light mobility.

Böhlen AG

Solar & Photovoltaics · Bern · Since 2004

Böhlen AG provides services in plumbing, heating and solar technology. The website lists contact details and refers to offerings in these areas.

Bornand Contrôle Sàrl

Solar & Photovoltaics · Valeyres-Sous-Rances · Since 2014

Bornand Contrôle Sàrl carries out electrical installation inspections according to the OIBT, including final, reception and periodic checks. The company also performs photovoltaic inspections, Pronovo certification with guarantees of origin, and inspections of electric vehicle charging stations.

Bosch Thermotechnik AG

Solar & Photovoltaics · Pratteln · Since 1990

Bosch Thermotechnik AG is part of the Bosch Group and supplies system solutions for heating, cooling and ventilation. The company develops, plans and modernises energy-efficient systems, including heat pumps, condensing boilers and hybrid systems, and provides consulting, installation, maintenance and operational support.

Braas Schweiz AG

Solar & Photovoltaics · Düdingen · Since 2004

BMI Group is a provider of roofing systems and solutions for various types of buildings, including residential buildings, public buildings, factories, warehouses, logistics centers and commercial buildings. The company's core activity encompasses the development, manufacture and marketing of roofing systems, including green roofs, as well as providing services for the planning, installation and maintenance of roofing systems.

Bräuer Solarvertrieb

Solar & Photovoltaics · Baar · Since 2024

The core activity of Bräuer Solarvertrieb is the wholesale trade of high-quality and sustainable solar products, in particular photovoltaic systems, as well as the associated consulting and delivery to customers in Switzerland.

Brühwiler, Sanitär-Heizung-Solar GmbH

Solar & Photovoltaics · Weinfelden · Since 2018

Brühwiler, Sanitär-Heizung-Solar GmbH provides plumbing, heating and solar-thermal installations as well as renovation, repair and maintenance services. Services also include water-softening systems, boiler descaling, residential ventilation and central vacuum systems.

Brunner Elektro-Engineering GmbH

Solar & Photovoltaics · Bubikon · Since 1997

The company offers comprehensive services in the field of electrical engineering, including: electrical planning for high and low voltage, communication and security; renovation concepts and their implementation; independent consulting and construction services; planning and supervision of photovoltaic systems; energy and network quality measurements; specialist and general construction management; lighting planning and design; electrical thermography for preventive maintenance or fault detection; measurement of electrical and electromagnetic fields. The company positions itself as a problem solver and partner for customers in various industries, including schools, industry, commerce, retail construction, banks, nursing homes, historic preservation and heritage buildings, sacred buildings, single and multi-family homes, redevelopment projects and shooting ranges.

B-Solar SA

Solar & Photovoltaics · Giubiasco · Since 2022

B-Solar SA installs photovoltaic systems and heat pumps and provides solutions for renewable energy. The company offers consulting, system design and installation services for households and businesses to help reduce energy costs and emissions.

Büchel-Hoop Photovoltaik AG, Ruggell (LI), Zweigniederlassung Schweiz, Salez

Solar & Photovoltaics · Salez · Since 2017

The core activity of Büchel-Hoop Photovoltaik AG is the planning, installation and maintenance of photovoltaic systems as well as the provision of energy management solutions, including energy storage, emergency power and blackout solutions, electromobility, billing systems, hot water and intelligent feed-in management systems.

Bucher Eltel

Electrical Planning & Installation · Fraubrunnen · Since 2014

The core activity of Bucher-Eltel is the sale and installation of high-quality photovoltaic and battery storage systems.

Buholzer Marcel AG

Roofing · Meggen · Since 2003

The core activity of Buholzer Marcel AG is the planning, realization and maintenance of building envelopes, including roofs, facades and photovoltaic systems. The company offers specialized services such as roofing, facade construction, photovoltaics, lightning protection, roof windows and roof maintenance.

Bulloni & Riso Sagl

Solar & Photovoltaics · Cadenazzo · Since 2020

The core activity of Bulloni & Riso Sagl consists of planning, installing, maintaining and repairing various types of systems, including: sanitary and heating systems, solar systems, air conditioning and ventilation systems, burners and boilers, pools and their maintenance, irrigation systems, drinking water treatment, and the sale and service of burners and boilers. The company also offers various services such as pipe cleaning and decalcification, boiler maintenance, and system restructuring.

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

Timber Construction & Carpentry · Bergün/Bravuogn · Since 2003

The core activity of Schuler-Rozzi encompasses three main areas: 1. **Carpentry/Joinery**: Manufacturing of carpentry products, particularly from regional solid woods, for interior finishing and furniture. 2. **Plumbing/Heating**: Installation and servicing of plumbing and heating systems, including alternative heating systems and connection to the district heating network. 3. **Solar**: Planning and installation of solar systems for the utilization of solar energy. The company thus offers a combination of traditional craftsmanship in carpentry and modern technologies in plumbing, heating and solar technology.