Companies in
Solar & Photovoltaics

Gleichung GmbH

Solar & Photovoltaics · Müllheim Dorf · Since 2021

The core activity of Gleichung GmbH encompasses two main areas: 1. **Energy**: The company focuses on products and solutions in the field of renewable energies, particularly photovoltaics. It offers services such as PV planning, preparation, and installation of photovoltaic systems. 2. **IT**: In the IT sector, the focus is on open-source technologies. The company develops software and provides solutions for the use of open-source systems. It also supports the development of applications based on xNode.ch. Furthermore, it offers computer and IT solutions, including the configuration of desktop systems with various operating systems such as Windows and Ubuntu.

Glob-Solar Sàrl

Solar & Photovoltaics · Conthey · Since 2024

The core activity of Glob-Solar is the planning, installation and maintenance of solar systems for private individuals and companies in Switzerland. The company offers comprehensive services, including consulting, planning, installation and maintenance of solar systems, as well as support in applying for subsidies and coordinating with energy suppliers and authorities.

Gmür Energie GmbH

Roofing · Mörschwil · Since 1997

Gmür Energie GmbH designs, installs and services photovoltaic systems (in-roof and on-roof) and supplies battery storage, e-mobility charging solutions and energy-planning services. The company handles projects from roof analysis and planning through to commissioning and provides a turnkey service for solar installations.

Gort Solar GmbH

Solar & Photovoltaics · Bad Ragaz · Since 2014

The core activity of Gort Solar GmbH is the planning, design, installation and maintenance of photovoltaic systems (solar power systems) for private and commercial customers in Switzerland. The company offers individual solutions for sustainable energy supply, ranging from small rooftop systems for single-family homes to large solar systems for industrial and commercial enterprises.

Go Smart Solution AG

Solar & Photovoltaics · Lupfig · Since 2024

The core activity of Go Smart Solution AG is the planning and implementation of photovoltaic projects, including the calculation of the required system size, engineering for the photovoltaic system, and the provision of A-to-Z services to create sustainable energy solutions for customers.

GoSoft GmbH

Technical Consulting & Engineering · Endingen · Since 2000

The core activity of GoSoft GmbH is the planning and implementation of projects in the field of applied electrical and building technology, particularly in the areas of energy infrastructure, solar technology, smart building, smart energy and smart grid, as well as the development of sustainable energy and building technology solutions for private and commercial customers.

Go Solar GmbH

Solar & Photovoltaics · Bülach · Since 2007

The core activity of go Solar GmbH is the planning, consulting, sales and installation of photovoltaic systems, in particular grid-connected and off-grid systems, as well as the trade of related products such as solar modules, batteries, inverters and other accessories.

Graber Holzbau GmbH

Interior Construction · Uetendorf · Since 2003

The core activity of Graber Holzbau GmbH is the provision of services and products in the field of timber construction, particularly in the following specialized areas: Carpentry (construction of buildings, garden houses, small animal shelters, etc.), Roofing (roofing and renovation), Solar technology (installation of solar energy systems), and Interior finishing (apartment construction and renovation, wall construction, etc.). The company thus offers a comprehensive range of services and products in the field of timber construction and building technology.

GRB - Energie Grünenwald

Solar & Photovoltaics · Obfelden · Since 2018

The core activity of GRB-Energie is consulting and implementing sustainable energy solutions for private individuals and companies. The specific activities include: replacement of heating systems, planning and installation of solar and PV systems, energy and operational optimization, alternative energies, building renovation, and application for subsidies. The company offers tailored solutions and individual consulting to support customers in optimizing their energy supply.

Green Energy Concepts GmbH

Solar & Photovoltaics · Zug · Since 2008

Green Energy Concepts GmbH provides furniture delivery and assembly services, handling delivery scheduling, on-site assembly and post-installation cleanup. Services include appointment coordination, delivery notification, assembly and removal of packaging; operations are offered across Switzerland.

Green Electra GmbH

Solar & Photovoltaics · Dietlikon · Since 2018

Green Electra GmbH supplies building-integrated solar roofs and provides planning, construction management and installation services, primarily using Roofit.Solar 2‑in‑1 systems. The company designs, installs and tests customised solar roof solutions for new-build and renovation projects in residential and commercial buildings.

Green Enesys Group GmbH

Solar & Photovoltaics · Baar · Since 2009

The core activity of green enesys is the development and provision of renewable energy solutions, particularly in the areas of: * Photovoltaics (solar power) * Agrivoltaics (combination of agriculture and photovoltaics) * Battery storage * Thermal storage * E-methanol production * Green hydrogen production The company supports landowners, investors, and industrial partners in the realization of projects in the field of renewable energies and offers solutions for the planning, approval, and implementation of large-scale PV projects.

GreenLeaf Elektro AG

Electrical Planning & Installation · Zug · Since 2023

The core activity of GreenLeaf Elektro is the provision of services and solutions in the field of electrical engineering.

Griesser Services AG

Solar & Photovoltaics · Aadorf · Since 2017

Grigolo Instal

Solar & Photovoltaics · Cazis · Since 2018

The core activity of Grigoloinstal is the planning, installation, maintenance and repair of various technical systems, in particular: heating systems, sanitary and water systems, solar systems and air conditioning systems. The company also offers technical assistance, maintenance and repairs for these systems and keeps a stock of spare parts.

Groupe E Greenwatt SA

Energy Suppliers · Granges-Paccot · Since 2007

The core activity of Groupe E Greenwatt is the development and realization of projects in the field of renewable energies, particularly photovoltaic systems, hydroelectric power and wind farms, in collaboration with regional stakeholders and with the participation of the local population, with the aim of driving the energy transition and enabling a sustainable world for future generations.

Gsponer Solution GmbH

Solar & Photovoltaics · Susten · Since 2022

The core activity of Gsponer Solution GmbH is the planning, consulting and implementation of projects in the field of renewable energies, particularly in the areas of photovoltaics, e-mobility and wind energy.

GT Solar Invest AG

Solar & Photovoltaics · Herisau · Since 2010

The core activity of GT Solar Invest AG is the planning, implementation and maintenance of solar systems for companies and private individuals, particularly in the field of solar contracting, where the system is financed, installed and maintained by the company, while the customer uses the generated solar power, thereby reducing their energy costs and minimizing their CO2 footprint.

Guggisberg Dachtechnik AG

Roofing · Wabern · Since 2003

The core activity of Guggisberg includes the planning, execution and maintenance of building envelopes, including roof, façade and energy systems. This specifically includes: Roofing work (pitched roofs, flat roofs), façade construction and renovation, energy-efficient renovations and optimizations, sheet metal work and metal processing, lightning protection and sealing. The company offers these services for new construction projects as well as for the renovation and maintenance of existing buildings, ranging from single-family homes to commercial complexes.

GUNEP AG

Energy Suppliers · Jegenstorf · Since 2007

GUNEP AG is a planning firm for sustainable energy projects that designs and implements heat supply systems using wood and solar energy and provides photovoltaic solutions for medium and large properties. Services include planning, consulting and implementation of district heating systems, photovoltaic and thermal solar installations, and condensing boiler systems.

Günthardt Solar Elektro Support GmbH

Solar & Photovoltaics · Regensdorf · Since 2012

The core activity of Günthardt Solar Elektro Support GmbH is the planning, construction and maintenance of solar systems for private households and companies, in order to generate clean and cost-effective energy and increase energy efficiency.

Gwerder-Energie-GmbH

Solar & Photovoltaics · Glattfelden · Since 2016

The core activity of Gwerder-Energie-GmbH is the planning, installation and realization of photovoltaic systems, as well as calculating the most economically efficient energy mix for customers.

H2GEMINI Technology Consulting GmbH

Solar & Photovoltaics · Kammersrohr · Since 2023

The core activity of H2GEMINI is the development, construction and sale of processes and production machines for the manufacture of high-efficiency solar cells (HJT, tandem structures). This also includes the provision of complete solar cell production lines as part of turnkey projects, as well as special automation solutions, cleaning processes, PECVD and PVD equipment and processes.

HABIT'AVENIR SA

Solar & Photovoltaics · Ecublens Vd · Since 2023

HABIT'AVENIR SA provides energy-renovation services, including the design and installation of photovoltaic systems, battery storage, heat pumps and EV charging stations, as well as insulation, electrical work, renovation projects and maintenance.

Hansesun Photovoltaik Swiss GmbH

Solar & Photovoltaics · Kriessern · Since 2019

The core activity of Hansesun is the planning, assembly, installation and maintenance of photovoltaic systems (PV systems) for clean and renewable energy generation. The company also offers additional services such as the integration of heat pumps, hot water and e-car charging stations into the energy system, as well as the sale and installation of power storage and emergency power systems.

Hans Wiedmer

Solar & Photovoltaics · Fankhaus (Trub) · Since 1992

The company's core activity is the provision of services and works in the field of building envelopes, particularly in the areas of: roofing, sheet metal work, facades, lightning protection systems, and scaffolding. In addition, the company also offers services in the field of photovoltaics, including the planning, execution, and maintenance of photovoltaic systems.

Haral GmbH

Solar & Photovoltaics · Reichenbach Im Kandertal · Since 2014

The core activity of quh-energie is the planning, consulting and realization of biogas plants on farms in Switzerland, enabling sustainable, environmentally friendly and cost-effective energy production in the form of heat and electricity.

Haro AG

Solar & Photovoltaics · Salenstein · Since 1983

Haro AG markets the Suntracker system, a solar-powered, GPS-controlled daylight delivery system that uses a rotating mirror, a high-reflectance light shaft and diffuser lenses to bring natural light indoors. The system is intended to reduce artificial lighting energy use and is presented for applications such as industrial buildings, schools, stables and hospitals.

Hartmann, Solartechnik

Solar & Photovoltaics · Küblis · Since 2003

The core activity of Hartmann is the planning, installation and maintenance of solar systems in various sizes (up to 10 kWp, 10-30 kWp, 30-100 kWp and over 100 kWp).

Hasse Bau GmbH

Solar & Photovoltaics · Fahrwangen · Since 2023

hassler energia alternativa ag

Solar & Photovoltaics · Zillis · Since 1997

The core activity of Hassler Energia is the planning, installation and maintenance of sustainable energy solutions, particularly: solar systems for self-consumption and central energy supply (ZEV); battery storage as a supplement to PV systems; e-charging stations for clean e-mobility; island systems for mountainous areas without grid connection; and pellet heating as an alternative heat source. The company also offers consulting services to support customers in selecting and implementing sustainable energy solutions.

HAUSTECH wachter ag

Solar & Photovoltaics · Utzenstorf · Since 1987

The company's core activity is the planning, installation, assembly and maintenance of building technology systems, particularly in the areas of heating, sanitation and bathroom facilities. The company also offers consulting and planning services and carries out pipeline construction and heat distribution. It is a building technology expert specializing in the installation and maintenance of building technology systems.

Haustrocknung.ch GmbH

Solar & Photovoltaics · Moosseedorf · Since 2013

Heatplan GmbH

Solar & Photovoltaics · Niederuzwil · Since 2021

The core activity of Heatplan GmbH consists of planning, consulting and project management of heating and solar systems, including the creation of energy reports and the application for funding requests. This includes in particular: * Heating planning (renewable and alternative energy systems) * Solar planning (solar thermal and photovoltaics) * Specialist construction management of heating and solar projects * Energy consulting * Project management * Application for building and funding requests. Heatplan GmbH offers these services primarily for single-family and multi-family homes (EFH & MFH).

HE Haustechnik und Heizsysteme GmbH

Electrical Planning & Installation · Alpthal · Since 2024

The core activity of HE Schweiz - Haustechnik und Heizsysteme GmbH is the development, manufacture and marketing of heating systems, particularly for holiday homes and use in new construction, renovation and refurbishment projects. The heating systems are energy-efficient, fully automatic and can be combined with solar systems. The company also offers consulting and sales of heating solutions tailored to the specific needs of customers.

Heidi Solar SA

Solar & Photovoltaics · Martigny · Since 2017

The core activity of Heidi Solar is the installation and sale of photovoltaic systems, enabling customers to cover their own electricity needs and feed surplus electricity into the grid, thereby generating an additional source of income.

Heizungsmacher AG

Solar & Photovoltaics · Basel · Since 2017

Heizungsmacher AG is a provider of solutions for the heat transition and energy transition. The company's core activity consists of planning, installing and maintaining heat pumps, photovoltaic systems, storage systems, inverters, battery storage systems and charging stations for private households. The company also offers monitoring and troubleshooting services and supports customers in applying for funding. Thanks to its brand-independent orientation, the company can offer individual solutions for its customers.

Helianthus AG

Solar & Photovoltaics · Bachenbülach · Since 2022

The core activity of Helianthus AG is the planning, implementation and operation of photovoltaic systems on the roofs of industrial, commercial, office and agricultural businesses. The company offers its customers a comprehensive service, including permitting, installation, maintenance and marketing of the generated solar power, whereby customers do not have to make any investments and instead receive a roof rental fee or a fixed electricity price.

Helion Energy AG

Solar & Photovoltaics · Cham · Since 2022

The core activity of Helion Energy AG is the planning, installation and maintenance of renewable energy systems, particularly photovoltaic systems, energy storage systems, heat pumps and charging stations for electric vehicles. The company also provides consulting and services in the field of energy efficiency and renewable energies.

HKOWT Suisse SA

Solar & Photovoltaics · Lausanne · Since 2023

HKOWT Suisse SA supplies solar lighting solutions and related components, including solar street lights, photovoltaic panels, LiFePO4 batteries and LED modules. The company operates an online shop with a product catalog and publishes news and blog articles about solar lighting products and projects.

HOLDENER SOLAR, Umwelt- und Heizungstechnik

Solar & Photovoltaics · Boll · Since 2016

The core activity of Holdener Solar is the planning, installation and maintenance of renewable energy systems, in particular: solar water heating and heating support systems, thermal solar systems, photovoltaic systems, wood heating systems (pellets, wood chips, firewood) and air/water heat pumps. The company also offers maintenance and repair services for heating systems.

Homenergy SA

Solar & Photovoltaics · Delémont · Since 2018

The core activity of Homenergy SA is the financing, realization, maintenance and operation of photovoltaic and heating systems for private and commercial customers. The company offers a solution where it takes over the investment costs and delivers the produced energy to the customer at a fixed, previously agreed tariff, including maintenance and upkeep of the systems.

HomePerformance SA

Solar & Photovoltaics · Lonay · Since 2022

The core activity of HomePerformance SA is the planning, installation and maintenance of energy efficiency solutions for private and commercial customers in Switzerland, particularly in the field of renewable energies. This includes the installation of photovoltaic systems, heat pumps, storage batteries, thermodynamic heating systems and CoolRoofing systems, as well as the implementation of energy audits and consulting on energy efficiency measures.

HSW-Solartechnik GmbH

Solar & Photovoltaics · Aarwangen · Since 2024

The core activity of HSW-Solartechnik is the planning, installation and maintenance of modern photovoltaic systems for residential and commercial buildings. They offer innovative solutions for the use of renewable energies and are committed to sustainability and environmental protection.

HT Blatter GmbH

Plumbing & Building Services · Liestal · Since 2017

HT Blatter GmbH provides heating and sanitary services, including heating-system installation, boiler service, underfloor-heating cleaning and other sanitary works. The company offers consultation, planning, maintenance, renovation and installation of heating systems.

Hycon GmbH

Technical Consulting & Engineering · Steinmaur · Since 2024

The core activity of HYCON is to advise and support organizations in the field of humanitarian aid and development cooperation. The activities include: Consulting services in the areas of renewable energy, water and land management, gender equality, diversity and inclusion, as well as protection and accountability; Capacity development and training for employees of organizations; Conducting evaluations and analyses of projects and programs; Development of strategies and concepts for sustainable change; Support in the implementation of projects and programs in various countries. HYCON works closely with various organizations and institutions, including GIZ, OSCE, CARITAS, COOPI and AFD, and offers its services in various countries.

ibee swiss renewable energy investments GmbH

Solar & Photovoltaics · St. Gallen · Since 2014

The core activity of ibee swiss renewable energy investments GmbH is investment, consulting and project development in the field of renewable energies, particularly in solar energy. The company develops, finances and operates photovoltaic systems in Switzerland and internationally, including in Sri Lanka, Burkina Faso and Ghana. It also supports the development of solar irrigation infrastructure and promotes the use of electric vehicles in these countries.

IBS Intelligent Battery System GmbH

Solar & Photovoltaics · Thun · Since 2007

IBS Intelligent Battery System GmbH designs, manufactures and sells electronic systems and modules for 12V and 24V mobile power, including dual-battery systems, pure-sine inverters, low-voltage disconnects, portable solar kits and lithium batteries. The company also supplies installation kits, portable power boxes and accessories for 4WD, commercial and emergency vehicles.