Solar & Photovoltaics in
Weinfelden

8 companies in Solar & Photovoltaics based in Weinfelden — name and year of registration from the commercial register. The list below shows them all.

Companies

All 8 companies in Weinfelden

JADI Solar AG Logo

JADI Solar AG

Since 2022 · 1–10 empl.4.9(59)

The core activity of JADI Solar AG is the planning, installation and maintenance of photovoltaic systems and other solar energy solutions, including battery storage, charging stations and smart energy systems, with the aim of providing customers in Switzerland with a comprehensive and sustainable energy supply.

Solar & PhotovoltaicsSolar power systemsBattery storageCharging stations
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Technische Betriebe Weinfelden AG Logo

Technische Betriebe Weinfelden AG

Since 2001 · 21–50 empl.4.1(32)

The core activity of the company "Technische Betriebe Weinfelden AG" is to supply the municipality of Weinfelden with various services and products, in particular: * Electricity supply (including photovoltaics and smart meters) * Gas supply (including heating with gas, biogas and maintenance subscriptions) * Water supply (including drinking water and water quality) * Fiber optic supply (including fiber optic connection and basic TV offer) * Heat supply (including district heating for Weinfelden) * Energy consulting and services (including customer portal and billing) The company has a performance mandate to supply the municipality of Weinfelden with these services and products.

Energy SuppliersElectricity productsDistrict heating for WeinfeldenDrinking water
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
Anderes Heizungstechnik AG Logo

Anderes Heizungstechnik AG

Since 1991 · 1–10 empl.

The core activity of Anderes AG is the planning, implementation and installation of heating systems, including heating renovations, installation of heating systems, flushing of heating systems, planning and consulting, as well as the installation of alternative systems such as heat pumps, solar energy, wood-fired heating systems and general refrigeration and heat technology.

Plumbing & Building ServicesHeating technologySolar technologyHeat pumps and alternative systems
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Genossenschaft Solar Regio Weinfelden Logo

Genossenschaft Solar Regio Weinfelden

Since 2010 · 1–10 empl.

The core activity of the company 'Solar Regio Weinfelden' is the promotion and implementation of projects for the generation of renewable energy, in particular through the installation and operation of solar power systems on larger buildings such as sports halls, school buildings, industrial halls and agricultural buildings, as well as the supplementation with wind power plants.

Energy SuppliersSolar power generationSolar power supplyBecome a cooperative member
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Brühwiler, Sanitär-Heizung-Solar GmbH Logo

Brühwiler, Sanitär-Heizung-Solar GmbH

Since 2018 · 1–10 empl.

Brühwiler, Sanitär-Heizung-Solar GmbH provides plumbing, heating and solar-thermal installations as well as renovation, repair and maintenance services. Services also include water-softening systems, boiler descaling, residential ventilation and central vacuum systems.

Solar & PhotovoltaicsPlumbing installationsHeating systemsSolar systems
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #5
Bayer Engineering Logo

Bayer Engineering

Since 2022 · 11–20 empl.

Bayer Engineering provides consulting and project support for renewable energy projects, with services including photovoltaic advice, system planning, project coordination/technical site management, and energy billing (ZEV, vZEV, LEG). Services include analysis and optimisation of existing systems and support for residential and industrial projects from planning through implementation.

Solar & PhotovoltaicsPhotovoltaic consultingPV system planningProject support
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #6
Bayer Solar AG Logo

Bayer Solar AG

Since 2024 · 11–20 empl.

Bayer Solar AG provides consultancy for renewable energy and photovoltaic systems, including system design, project support and technical site supervision. Services include analysis and optimization of existing installations and energy billing for ZEV, vZEV and LEG.

Solar & PhotovoltaicsPhotovoltaic consultingPhotovoltaic system designProject supervision
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #7
IE

IBG Engineering AG

Since 1974 · 1–10 empl.

Solar & Photovoltaics
No score yet

Solar & Photovoltaics in Weinfelden

8Solar & PhotovoltaicsCommercial register (Zefix) · as of October 11, 2026
2018Median year of registrationCommercial register (Zefix) · as of October 11, 2026
186in the Canton of ThurgauCommercial register (Zefix) · as of October 11, 2026
4,041in SwitzerlandCommercial register (Zefix) · as of October 11, 2026
Locations

Solar & Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 11, 2026