Companies in
Solar & Photovoltaics

Inmova AG

Technical Consulting & Engineering · Winterthur · Since 2024

Inmova AG specializes in electrical installations for caravans, marine vessels and off‑grid photovoltaic systems. The company provides consulting, system design, installation and support, and supplies components such as batteries, chargers, navigation equipment and related accessories, including products from manufacturers like Mastervolt.

InstaWorks Massimo Ravanelli

Solar & Photovoltaics · Reinach Bl · Since 2016

Intrevo AG

Solar & Photovoltaics · Volketswil · Since 2024

Intrevo AG provides professional cleaning services for photovoltaic systems, including solar module cleaning, roof cleaning and weeding, conservatory and forecourt cleaning, and electrical cabinet cleaning. The company uses pure‑water systems without chemicals and specialized brushes, and performs work with trained personnel.

intueri AG

Energy Suppliers · Zurich · Since 2008

intueri AG offers energy solutions that combine solar electricity with hydrogen storage and provides consulting to achieve an independent power supply for residential and mobile uses.

invotas AG

Energy Suppliers · Zollikon · Since 2013

invotas AG develops and manages renewable energy and water treatment projects, delivering services from site acquisition and financing to turnkey construction and operational monitoring. The company provides solar and wind contracting, sourcing support in Taiwan and China, and facilitates investor access to sustainable projects.

IONTEC GmbH

Solar & Photovoltaics · Benken Sg · Since 2007

The company's core activity is the planning, installation and maintenance of photovoltaic systems for private and commercial use, with the aim of enabling customers to use cost-effective solar energy and contribute to environmental protection.

Isler Solar Chlutteri GmbH

Solar & Photovoltaics · Brunnadern · Since 2023

The core activity of Isler Solar Chlutteri GmbH is the planning, procurement and installation of solar and photovoltaic systems for sustainable and free energy.

ivolt AG

Solar & Photovoltaics · Diessbach B. Büren · Since 2010

The core activity of ivolt ag is the planning, implementation and optimization of solar systems as well as the integration of energy storage and e-mobility solutions. The company offers various services, including the installation of solar roofs, optimization of self-consumption, visualization of performance data and integration of battery storage systems. Furthermore, ivolt ag supports customers in the implementation of e-mobility projects and offers repair and maintenance services.

jaggigroup ag

Solar & Photovoltaics · Itingen · Since 1998

The core activity of jaggigroup ag includes the planning, installation and maintenance of electrical systems as well as the sale of household appliances. Specific services include electrical installations, communication technology, photovoltaic systems, smart home solutions, lighting, security systems and e-mobility solutions.

Janitsch AG

Solar & Photovoltaics · Kirchberg Be · Since 2019

Janitsch AG is a building-envelope company specializing in roof work and related services. Offerings include pitched roofs, flat roofs, scaffolding, photovoltaic installations, roof windows, and roof maintenance and repairs for new construction and renovation projects.

Jaschok Solar GmbH

Roofing · Arlesheim · Since 2014

The core activity of Jaschok Solar GmbH is consulting, planning and installing solar systems, new heating systems and roof renovations in the field of renewable energies.

JBMC AG

Technical Consulting & Engineering · Gisikon · Since 2021

JBMC Inc focuses on the development and distribution of sustainable environmental technologies, particularly in the areas of agricultural photovoltaics, vehicle, process and energy technologies. The emphasis is on meeting customer needs in agriculture and related industries with high-quality and energy-efficient solutions.

Jensolar GmbH

Solar & Photovoltaics · Jens · Since 2022

The core activity of Jensolar GmbH is the planning, installation and maintenance of photovoltaic systems (PVA) on rooftops of properties, as well as the rental of these surfaces and the associated energy cost optimization.

JetPro Europe AG

Solar & Photovoltaics · Stans · Since 2008

JetPro Europe AG offers the JetPro Diesel Booster, a device for thermal and physical pre-treatment of diesel fuel intended to improve fuel efficiency and emissions performance. The website explains the system expands and preheats fuel and passes it through a reactor that enriches the fuel with metallic ions, which the company says leads to more uniform combustion, reduced soot and NOx and fuel savings of around 10–15%. The site also refers to DEKRA certification and accompanying test reports and functional evidence for the products.

JinkoSolar (Switzerland) AG

Solar & Photovoltaics · Zug · Since 2011

The core activity of JinkoSolar is the development, manufacture and distribution of solar panels and energy storage systems for use in various segments, including photovoltaics, utility storage, commercial and private energy storage.

Joch Haustechnik GmbH

Technical Consulting & Engineering · Heimberg · Since 2005

The core activity of Joch Haustechnik GmbH is the planning, installation and maintenance of building technology systems, particularly in the areas of: Sanitary technology, Heating technology (heat pumps, oil heating systems, gas heating systems, wood-fired heating systems), Solar systems, Water softening and boiler descaling, and Chimney stoves. The company also operates an online shop for fittings and appliances, offering special discounts and promotions.

Josef Bösch GmbH

Plumbing & Building Services · Weggis · Since 2004

The core activity of Josef Bösch GmbH is the planning, installation and maintenance of building technology, particularly in the field of sanitary technology.

Josef Egger individuell Heizen

Solar & Photovoltaics · Gams · Since 1993

Josef Egger individuell Heizen supplies and services heating systems; the website provides information on pellet heating (from simple stoves to automated central pellet systems) and on wall heating.

JR Energie GmbH

Solar & Photovoltaics · Jonen · Since 2023

The core activity of JR Energie is the planning, implementation and rental/sale of solar power systems. The company offers individual solutions for the installation and operation of solar systems, enabling customers to rent or buy solar power without having to make their own investment.

Jura-Energie, Jean Oppliger Sàrl

Energy Suppliers · Le Cerneux-Veusil · Since 2008

The core activity of Jura-Energie is the production and promotion of renewable energies, in particular through the construction and operation of wind turbines, solar cells and solar collectors as well as wood heating systems.

KÄLIN ELEKTROTECHNIK

Solar & Photovoltaics · Einsiedeln · Since 2002

The core activity of Kälin Elektrotechnik is the provision of services in the field of electrical engineering, particularly in the following areas: installation, maintenance and repair of safety technology, including fire alarm and gas warning systems; installation and maintenance of photovoltaic systems; installation and configuration of SmartHome systems; electrical installations for new and renovation projects; and device testing and maintenance. The company offers these services to private and business customers in Switzerland, distinguished by fast and uncomplicated processing.

Kälin Solartechnik GmbH

Solar & Photovoltaics · Ermatingen · Since 2023

The core activity of Kälin Solartechnik GmbH is the planning, implementation and marketing of photovoltaic systems (PV systems) as well as services in the field of renewable energies, particularly in contracting and energy production. The company also offers products such as metal tiles, blind modules and energy dashboards, and operates a platform for visualizing the current power situation in Switzerland.

Kamber Heizungen Sanitär GmbH

Sheet Metal Work · Deitingen · Since 2024

The core activity of Kamber Haustechnik encompasses the planning, installation, repair and renovation of building technology systems, including: heating systems (all systems, such as oil heating, gas heating, pellet heating, etc.); sanitary technology (sanitary appliances, sanitary facilities, bathroom conversions and renovations); roofing and facade work; solar systems (hot water through solar energy); and water pipes (water supply and wastewater disposal). The company also offers consulting, planning and coordination services for complete renovations and refurbishments.

Kambium Energie GmbH

Solar & Photovoltaics · Bassersdorf · Since 2024

The core activity of Kambium Energie GmbH is the distribution and installation of photovoltaic systems, including planning, installation and consulting in the field of sustainable energy generation and savings.

KAPIMEX GmbH

Construction & Project Management · Brüttisellen · Since 1998

KAPIMEX GmbH is a general contractor for energy projects. The website provides contact information and a brief description of the company's business activities.

Kasontor AG

Energy Suppliers · Port · Since 2015

Kasontor AG is a system supplier for comprehensive solutions in the field of renewable energies, particularly for wood-fired heating systems and solar thermal energy. The company's core activities include planning, execution, monitoring, commissioning and maintenance of heating systems, including log wood, wood chip and pellet heating systems as well as solar thermal systems.

Kathrin & Ueli Roth AG

Building Maintenance · Ins · Since 2015

The core activity of Kathrin & Ueli Roth AG is energy consulting and planning, particularly in the field of photovoltaics and energy management, as well as the installation and rental of solar systems.

Keiser & Heini AG

Energy Suppliers · Hünenberg · Since 2008

Keiser & Heini AG provides consulting, planning, installation and service for heating systems, solar thermal installations and heat pumps. The company installs solar thermal systems, integrates solar support for heating systems and is an official competence partner of Heliotherm heat pumps.

KREATIV Solar SCHWEIZ GmbH

Solar & Photovoltaics · Wollerau · Since 2013

KREATIV Solar SCHWEIZ GmbH advises entrepreneurs, family offices, investors and manufacturers on preparing, evaluating and structuring market entry and expansion in energy production. Services include market analysis, investment and partnership structuring, assessment of manufacturers and business models, and support with governance and capital allocation.

Klimatec GmbH

Solar & Photovoltaics · Basel · Since 2006

The core activity of Klimatec GmbH is the sale and distribution of climate technology products and systems, particularly air conditioning units, heat pumps, solar systems and related accessories. The company also offers services such as consulting, installation and repair of heating and cooling systems.

Konzept E AG

Technical Consulting & Engineering · Olten · Since 2023

Koutec S.àr.l.

Solar & Photovoltaics · Rocourt · Since 1994

Koutec S.àr.l. provides design, installation and maintenance of photovoltaic systems, together with energy-management solutions, battery storage, EV charging stations and administrative handling of permits and subsidies for residential and commercial clients.

Krannich Solar AG

Solar & Photovoltaics · Spreitenbach · Since 2019

The core activity of Krannich Solar International is the distribution of solar products and solutions on a global scale, with an extensive network of websites and shops in various countries and regions, including Africa, Asia, Europe, Latin America and North America.

Krieg Haustechnik GmbH

Solar & Photovoltaics · Wangen Sz · Since 2013

The core activity of Krieg Haustechnik GmbH is the planning, execution and maintenance of building technology systems, particularly in the areas of heating, plumbing and bathroom renovation. The company offers comprehensive solutions for new construction, renovation, renovation and modernization of building technology systems and has a wide range of services, including installation, service and maintenance.

KRT Engineering & Consulting GmbH

Technical Consulting & Engineering · Magden · Since 2021

KRT Engineering & Consulting GmbH operates local electricity communities (LEG) and implements regional photovoltaic installations. The company coordinates production and local distribution of solar power, often using battery storage for supply security, issues billing based on smart‑meter data, and enables participation by both producers and consumers.

Krüsi Sicherheits- und Solartechnik

Solar & Photovoltaics · Embrach · Since 2002

The company's core activity is the installation and distribution of solar systems and related components such as photovoltaic modules, inverters and solar storage systems.

KTK Swiss Energy AG

Solar & Photovoltaics · Vorderthal · Since 2023

The core activity of KTK Swiss Energy AG is the installation and financing of photovoltaic systems on the roofs of private individuals and companies, with the aim of promoting sustainable energy supply in Switzerland. The company finances the systems and offers roof owners the opportunity to benefit from rental income or discounted electricity.

Küenzi & Co. AG

Sheet Metal Work · Münchenbuchsee · Since 1975

The core activity of Küenzi & Co AG is the planning and execution of building technology services, particularly in the areas of: sanitary installations, heating systems, plumbing work, and repair and maintenance services. The company also offers specialized services such as bathroom renovations, water connections, heating system construction, solar systems, pellet and wood heating systems, as well as rainwater utilization and water supply.

La Maison des Energies SA

Solar & Photovoltaics · Morges · Since 2024

The core activity of the company "La Maison des énergies" is the planning, installation and consulting of solutions for renewable energy and energy efficiency, particularly: * Installation of photovoltaic systems * Heat and cold generation systems (heat pumps, thermodynamic boilers) * Insulation and sealing of buildings * Energy-efficient solutions such as relamping * Energy consulting and analysis (energy balance) * Energy storage * Air conditioning and ventilation of buildings The company thus offers comprehensive solutions for a sustainable and efficient energy supply of buildings.

Landtwing Telefon und Elektro AG

Solar & Photovoltaics · Zug · Since 1992

The core activity of Landtwing Telefon und Elektro AG is the provision of services in the fields of electrical engineering, telecommunications and IT. Specifically, this includes: electrical services, renovations and conversions, high-voltage and telephone installations, residential, commercial and office installations, IT cabling, building automation, service and repairs, and planning and execution of projects in the fields of electrical engineering and telecommunications.

laube-solar GmbH

Solar & Photovoltaics · Böbikon · Since 2011

The core activity of Laube Solar is the planning, implementation and maintenance of photovoltaic systems, including the use of photovoltaic storage systems. The company offers turnkey solutions for the installation of solar systems on residential and other buildings.

LENI Elektrotechnik GmbH

Electrical Planning & Installation · Niederuzwil · Since 2020

LENI Elektrotechnik GmbH provides electrical installations and related services, including residential electrical work, lighting solutions, photovoltaic systems, EV charging station installation and maintenance, smart home systems, and network technology.

Lerm Solar AG

Electrical Planning & Installation · St. Gallen · Since 2024

Lerm Solar GMBH provides consulting, sales, system planning and installation of photovoltaic systems, along with project management and economic feasibility calculations.

Leutenegger Energie Control

Energy Suppliers · Küsnacht Zh · Since 1990

The core activity of LEC (Leutenegger Energie Control) is the planning, consulting and implementation of projects in the field of renewable energies, particularly solar heat and solar power. The company offers a wide range of services and products, including the planning and installation of solar systems, the development of solar boats and the manufacture of measurement technology and battery monitoring systems.

LGTEC AG

Research & Development · Rorschach · Since 2015

LGTEC AG develops a technology for the metallization of solar cells that enables fine contact grid lines without using silver. The method reduces grid-line widths to about 10 micrometers and produces them in a single process step; the company offers sampling on a demonstrator machine for technology evaluation.

Lichtermehr AG

Solar & Photovoltaics · Kaltbrunn · Since 2022

The core activity of Lichtermehr AG encompasses the planning, consulting and implementation of solutions in the field of electrical engineering, particularly in the areas of electrical planning and installation, lighting design and lighting planning, photovoltaic planning and installation, energy storage systems and e-charging stations. The company also offers services such as maintenance work, minor repairs and the retrofitting of existing lighting systems with LED technology.

LightSeeds SA

Solar & Photovoltaics · Savagnier · Since 2024

LightSeeds SA develops modular, lightweight plug-and-play solar systems that convert surfaces into power. Its offerings include the LightSeeds® Solar Kit Box, lightweight solar modules and integrated applications for roads, railways, noise barriers, basement walls, roofs, facades and stand-alone systems, with monitoring and maintenance processes.