Energy & Environment

Seeland-Solar GmbH 

Ins · Since 2008

The core activity of Seeland-Solar GmbH is the planning, installation, maintenance and repair of solar systems, including related services such as servicing, maintenance and cleaning. The company also offers solutions for solar power storage and wallboxes.

SES Sanitär GmbH 

Langrickenbach · Since 2004

SES Sanitär GmbH is a sanitary and building-services company that plans, installs and maintains sanitary, heating and ventilation systems for new builds and renovations, including industrial and agricultural projects. Offerings include system servicing and repairs such as pipe flushing, water-heater descaling, legionella protection, filter replacement and emergency drain unblocking.

Silvestri AG 

Lüchingen · Since 1964

The core activity of Silvestri AG is the development and marketing of branded meat programs for livestock, particularly cattle, calves, pigs and sheep, taking into account sustainability, animal welfare and fair trade. The company works closely with farmers and retailers to build programs that meet the requirements of Bio Suisse or IP Suisse.

SolarkraftWerkstatt GmbH 

Gwatt (Thun) · Since 2023

SolarkraftWerkstatt GmbH designs and installs photovoltaic systems and integrated energy solutions for residential and commercial clients. Services include project planning, installation and maintenance, formation of self-consumption communities (ZEV), EV charging stations, battery storage and financing or partnership models; the company is Swissolar-certified.

Solarkraftwerkstatt Herzig 

Gwatt (Thun) · Since 2015

Solarkraftwerkstatt Herzig designs and installs photovoltaic systems and related energy solutions for residential and commercial customers. Services include system planning, installation, battery storage, EV charging stations, collective self‑consumption solutions (ZEV), remote monitoring and maintenance, and financing or partnership options.

Sonnbau AG 

Chur · Since 2016

The core activity of Sonnbau AG is the planning, installation and optimization of photovoltaic systems, particularly for self-consumption of solar power. The company offers solutions for the generation and storage of solar power, including the planning and installation of solar power plants, optimization of system sizes and implementation of storage systems such as the BYD storage system. Additionally, the company supports the establishment of self-consumption communities and provides consulting and planning services for the use of solar power in various application areas, such as condominiums or small businesses.

sonnentanz gmbh 

Staffelbach · Since 2013

The core activity of sonnentanz gmbh is the planning and installation of photovoltaic systems, particularly the generation of clean energy through solar power. The company offers solutions for the production of solar power, including the integration of photovoltaic systems into buildings (BiPV) and the installation of battery storage systems to increase autonomy.

Staehelin Solar GmbH 

Unterlunkhofen · Since 2016

Staehelin Solar GmbH designs, installs and maintains photovoltaic systems, including battery storage, backup power systems and self-consumption optimization. Services cover turnkey projects from consultation and planning to installation, commissioning and ongoing service, with energy management and options for collective self-consumption (ZEV) and e-mobility solutions.

Stähelin Solar 

Unterlunkhofen · Since 2010

Stähelin Solar provides design, installation and maintenance of photovoltaic systems, including battery storage, emergency‑power systems, self‑consumption optimization, energy‑management solutions and e‑mobility integration.

Staub + Zbinden Elektro GmbH 

Rüeggisberg · Since 1995

Staub+Zbinden is a specialist company for electrical and solar technology. The core activities include: Professional electrical installations for commercial, agricultural and private sectors; Planning and installation of solar systems and photovoltaic systems; Repair and maintenance services for electrical and solar systems; Consulting and implementation of economic calculations for solar systems and electric vehicles; Installation of charging stations for electric vehicles. The company thus offers comprehensive services in the field of electrical engineering and renewable energies.

Stefan Klopfenstein, Spenglerei 

Belp · Since 1994

The core activity of Klopfenstein Spenglerei encompasses the areas of construction sheet metal work, industrial sheet metal work, apparatus construction, lightning protection and roof maintenance. Specifically, the company offers services such as the manufacture and installation of metal roofs, chimney cladding, gutters, sheet metal parts, connecting pipes, window sills and other metal constructions. Additionally, the company performs regular roof inspections and repairs, and offers individual solutions for lightning protection and apparatus construction.

Stiftung SENS 

Zurich · Since 1990

The core activity of SENS eRecycling is the sustainable recycling of decommissioned electrical and electronic devices, including lighting and luminaires, photovoltaic systems, heat pumps, e-cigarettes, as well as vehicle and industrial batteries, with the aim of conserving resources and contributing to environmental protection.

Strompartner GmbH 

Adliswil · Since 2017

The core activity of Strompartner GmbH is the conception, analysis, planning and implementation of projects in the field of renewable energies, in particular: Photovoltaic systems (PV systems), E-mobility solutions and Heat pumps. The company offers its customers comprehensive services, from study and conception to realization and management of projects in the field of renewable energies.

Strom Service 7/24 AG 

Schlieren · Since 2022

The core activity of Strom Service 7/24 AG is the provision of services in the field of electrical engineering, particularly in the following areas: electrical installations, building automation, telematics and networking, photovoltaics and energy storage, electromobility, electrical controls, and evening/weekend emergency service (on-call duty). The company thus offers a wide range of services in the field of electrical engineering, from the installation and maintenance of electrical systems to consulting and planning of energy-efficient solutions.

sts e-tech GmbH 

Kriens · Since 2011

The core activity of sts e-tech is the planning, implementation and maintenance of photovoltaic systems (PV systems) for private and commercial customers. The company offers customized solutions for renewable energies and supports customers in the installation and maintenance of solar systems, enabling independent and cost-efficient energy generation.

Südsolartechnik GmbH 

Balsthal · Since 2019

The core activity of Südsolartechnik GmbH encompasses the planning, installation, maintenance, and repair of solar systems, heat pumps, and electromobility solutions. This also includes specific services such as solar panel cleaning, PV checks, weed removal, battery installation and inspection, as well as the commissioning and repair of inverters.

Sutter Elektrische Anlagen GmbH 

Unterwasser · Since 2006

The core activity of Sutter Elektrische Anlagen GmbH is the planning, installation, assembly, repair and maintenance of electrical systems, including e-mobility installations, for private and commercial customers in the Alt St. Johann region.

Tecdil GmbH 

Opfikon · Since 2009

The core activity of Tecdil is the planning, installation, maintenance and repair of solar systems and electrical installations, including the provision of solutions for energy storage, electromobility and heat pumps. The company offers comprehensive services for households and businesses in Switzerland, with a focus on sustainable and future-proof energy solutions.

Technische Betriebe Glarus 

Glarus · Since 2003

The core activity of tb.glarus is to supply households and businesses with energy and services in the following areas: electricity, district heating, water, communication (FTTH fiber optic connection), and bio and natural gas. In addition, the company offers innovative and sustainable solutions as an energy service provider, such as e-mobility solutions, energy communities, solar communities, and battery energy storage systems. The company positions itself as a regional energy supplier and service provider, ensuring above-average supply security in the municipality of Glarus and the surrounding municipalities.

TECHNOSOLAR SA 

Semsales · Since 2012

The core activity of Technosolar SA is the distribution and sale of products and solutions for the solar energy industry, particularly photovoltaic systems, including modules, fixings, inverters, storage systems and accessories. The company supplies these products to professional customers in Switzerland and also offers services such as direct collection from the warehouse and delivery by truck.