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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,219 companies indexed · Last updated: today
DirectoryEnergy & Environment

Energy & Environment

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9'014 companies found

Solarenergie Arth AG Logo

Solarenergie Arth AG 

Goldau · Since 2012

The core activity of Solarenergie Arth AG is the planning, implementation, maintenance and operation of photovoltaic systems, particularly for companies and institutions. The company takes over the entire project planning, financing, installation and maintenance of the systems and offers its customers a fixed electricity price.

Solar & Photovoltaics
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Solar Energie Effizienz AG, Luzern Logo

Solar Energie Effizienz AG, Luzern 

Lucerne · Since 2023

The core activity of SE AG Lucerne is the provision of services in the field of energy efficiency and solar energy, particularly consulting and implementation of projects in the field of photovoltaics (PV) and energy optimization.

Solar & Photovoltaics
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Solar Energie Schweiz GmbH Logo

Solar Energie Schweiz GmbH 

Uster · Since 2021

The core activity of Solar Energie Schweiz is the planning, installation and maintenance of renewable energy systems, particularly photovoltaic systems, heat pumps, energy storage systems and charging stations for electric vehicles. The company also offers consulting, financing and subsidy application services for these systems.

Solar & Photovoltaics
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Solar Energie Partner AG Logo

Solar Energie Partner AG 

Brüttisellen · Since 2020

The company's core activity is the planning, installation and maintenance of photovoltaic systems, as well as consulting and supporting customers in the use of solar energy, particularly in the area of residential and industrial buildings in German-speaking Switzerland.

Solar & Photovoltaics
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Solarenergie Zürisee Genossenschaft Logo

Solarenergie Zürisee Genossenschaft 

Küsnacht Zh · Since 1997

The company's core activity is the production and sale of solar power through the construction and operation of solar plants, as well as the promotion and support of renewable energies at a regional level.

Solar & Photovoltaics
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SOLARFOCUS Schweiz GmbH Logo

SOLARFOCUS Schweiz GmbH 

Altishofen · Since 2019

The core activity of SOLARFOCUS Schweiz GmbH is the development, production and distribution of innovative products for renewable energy and environmentally friendly heating technologies, in particular: Biomass heating systems (e.g. wood heating systems, pellet boilers), solar systems (e.g. solar thermal systems), heat pumps and fresh water stations. The company thus offers a wide range of products and solutions for environmentally friendly and efficient energy supply.

Solar & Photovoltaics
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Solargenossenschaft Aadorf Logo

Solargenossenschaft Aadorf 

Aadorf · Since 1995

The company's core activity is the generation of electrical energy through photovoltaic systems and water wheels, in particular through the operation of solar power production plants on building roofs, as well as the promotion and support of private individuals in the installation of photovoltaic systems.

Solar & Photovoltaics
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Solargenossenschaft Andwil Logo

Solargenossenschaft Andwil 

Andwil Sg · Since 2014

The core activity of Solargenossenschaft Andwil is the planning, construction, operation and investment in photovoltaic systems in the Andwil SG area for feeding solar power into the public electricity grid.

Solar & Photovoltaics
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SolarGenossenschaft Fehraltorf Logo

SolarGenossenschaft Fehraltorf 

Fehraltorf · Since 2022

The core activity of SolarGenossenschaft Fehraltorf is the financing and operation of photovoltaic systems in Fehraltorf, where the cooperative capital is raised through the sale of share certificates to interested parties and the generated solar power is sold to pay an annual interest to the cooperative members.

Solar & Photovoltaics
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Solargenossenschaft Degersheim Logo

Solargenossenschaft Degersheim 

Degersheim · Since 2021

The company's core activity is the planning, implementation and operation of photovoltaic systems (PVA) in Degersheim, particularly on the roofs of public buildings such as schools, with the aim of producing solar power and involving the cooperative members in the energy production through the purchase of share certificates.

Solar & Photovoltaics
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.