Solar & Photovoltaics

clevergie ag 

Wyssachen · Since 2012

clevergie ag provides integrated renewable energy solutions, offering services in photovoltaics, heat technology, e-mobility, battery storage and sector coupling. The company carries out energy consulting, system planning, installation and service/support for decentralized renewable energy systems.

CoolTec - TecDev, Jean-Pierre Bloch 

Belmont-Sur-Yverdon · Since 1999

The core activity of CoolTec is the development, distribution and consulting of solutions for renewable energies, particularly in the areas of heat pumps, solar thermal energy, photovoltaics and energy efficiency. The company offers a wide range of products and services, including heat pumps for residential use, industrial heat pumps, solar thermal systems, photovoltaic systems and energy efficiency solutions for the construction and renovation sector.

Covertech Sàrl 

Farvagny-Le-Grand · Since 2024

The core activity of Viror Groupe is the planning, installation and maintenance of sustainable energy and electrical systems, including: photovoltaic systems (solar power), heat pumps, energy storage systems and electrical installations. The company also provides consulting and support for the transition to renewable energy and the optimization of energy consumption and costs.

CREA Energy AG 

Boll · Since 2011

The core activity of CREA Energy AG is the consulting, planning, installation, installation and maintenance of solar power systems, including intelligent control, main consumers, self-consumption/self-consumption communities, charging stations and power storage systems (DC and AC). In addition, the company carries out electrical installations (DC and AC side) as well as control, repair, service and maintenance work, including yield and function monitoring.

Dalaval GmbH 

Müstair · Since 2003

Dalaval GmbH supplies products and services for dairy farming and milk handling, including milking systems (such as DeLaval VMS™ milking robots), milking equipment, and milk storage and cooling solutions. The range also includes farm management software (DeLaval DelPro™, DeLaval Plus), feeding and manure-management solutions, cow comfort products, and after-sales service.

Die Energiegestalter AG 

Widnau · Since 2022

The core activity of the company 'Die Energiegestalter' consists of planning, implementing, maintaining and operating renewable energy systems, in particular photovoltaic systems and e-mobility solutions, as well as developing storage systems and billing solutions for the efficient use of renewable energy.

Domedil SA 

Losone · Since 1979

The core activity of Domedil SA consists of carrying out work in the field of roofing and carpentry, including the installation of windows, in particular ROTO windows, and the use of the STEKO system for the construction of wooden structures, as well as the installation of solar collectors.

Dütschler Gebäudetechnik GmbH 

Rüti Zh · Since 2018

The core activity of Dütschler Gebäudetechnik GmbH is the planning, consulting, realization and construction management of projects in building technology, particularly in the areas of: Sanitary technology, Heating technology, Ventilation technology, Refrigeration and air conditioning technology. The company offers comprehensive services, from planning and consulting to execution and construction management of projects, and strives to find economically and technically optimal solutions for its customers.

Dynatex S.A. 

Cernier · Since 2014

The core activity of Dynatex SA is the engineering and implementation of renewable energy systems, particularly for photovoltaic installations, as well as the development and manufacture of electronic components for renewable energy. This also includes expertise and sales of high-quality components for photovoltaic installations, such as solar modules and inverters, as well as training and consulting in the field of renewable energy.

eConnect GmbH 

Bubikon · Since 2015

The eConnect GmbH company focuses on planning, implementing and maintaining solutions for renewable energy and energy efficiency. The core activities include: * Installation and maintenance of photovoltaic systems (eSolar) * Planning and implementation of energy management systems (eEnergy) * Installation and maintenance of charging stations for electric vehicles (eMobility) * Planning and implementation of battery storage systems (eStorage) * Conducting inspections and checks of energy systems (eCheck) The company thus provides comprehensive solutions for the generation, storage and use of renewable energy and supports its customers in optimizing their energy efficiency.

Eco-Optimum di Ing. André Roesti 

Arogno · Since 2009

The core activity of Eco Optimum is the planning, installation and optimization of energy efficiency solutions for buildings, particularly in the field of renewable energies, such as photovoltaics, as well as the implementation of thermographic analyses for energy efficiency optimization.

ECO-SWISS-SOLAR GmbH 

Zug · Since 2015

ECO-SWISS-SOLAR GmbH supplies electric storage heaters and related products, including solutions to replace old night-storage heaters. The offering includes digitally controlled storage heaters with app control, various mounting options and applications for holiday homes, containers, mobile offices and motorhomes. The website provides product information, warranty details and guidance on use cases.

Egon AG 

Zurich · Since 2009

The Egon AG company offers energy solutions and services in the field of renewable energies, particularly in the areas of photovoltaics, solar thermal energy, heat solutions and electromobility. The core activities include the development and implementation of energy monitoring systems, the management and billing of virtual ZEV systems (association for self-consumption) as well as the provision of training and webinars for installers and administrations.

Electropro S.A. 

Neuchâtel · Since 1996

The core activity of ElectroPro SA is the provision of services in the field of electrical installation, including: new building installations, industrial and renovation installations, electrical assembly and installation, photovoltaic systems, safety systems (e.g. lightning protection), domotics and home automation, as well as repair and maintenance services (24/7). The company also offers training and education programs for electrical professionals and is a member of various industry associations.

Elektro-Moser 

Seuzach · Since 2006

The core activity of Elektro-Moser is the performance of electrical inspections, in particular periodic inspections of single and multi-family homes, industries and businesses, as well as final and acceptance inspections for third-party companies. This also includes the safety certificate (SiNa) for changes in property ownership and random sampling inspections of electricity works by public authorities.

e-Léman Energies SARL 

Nyon · Since 2025

The core activity of e-Leman-Énergies is the planning, installation and marketing of renewable energy solutions, particularly photovoltaic systems, solar parks, electric vehicle charging stations and related accessories. The company also provides consulting and services for optimizing energy efficiency and implementing projects in the field of renewable energy.

Elettro Cangiano 

Gerra (Gambarogno) · Since 1995

The core activity of Elettro Cangiano consists of planning, installing and maintaining various types of electrical systems, including: electrical systems for civil and industrial use, photovoltaic systems for the production of renewable energy, multimedia systems for the connection of audio, video and data transmission, repair service for electrical systems, heating systems and household appliances, eMobility (charging infrastructure for electric vehicles) and Domotica (intelligent building automation). The company therefore offers a wide range of services in the field of electrical engineering and renewable energy.

ELETTROINNOVA SA 

Pregassona · Since 2004

The core activity of Elettroinnova SA encompasses the planning, development and implementation of projects in the fields of telecommunications, photovoltaics, energy efficiency, electromobility and lightning protection. The company offers solutions for the installation and maintenance of telecommunications systems, photovoltaic systems, energy efficiency solutions, charging stations for electric vehicles and lightning protection systems.

Emch+Berger Revelio AG 

Bern · Since 2012

Emch+Berger Revelio AG provides consolidated expertise in renewable energies and energy efficiency, offering planning, consulting and project management services for photovoltaics, wind power, hydropower and district heating and cooling.

Emil Landsrath AG 

Basel · Since 1972

The core activity of Emil Landsrath AG is the provision of services in the field of roofing and sheet metal work, including the installation of lightning protection and solar systems, as well as the performance of roof inspections and repairs.