Photovoltaics in
Delémont

Faivre Energie SA

Since 2009 · 11–20 empl.·4.4(25)

Faivre Energie SA designs and installs heating and energy systems for private customers and industrial clients. Its services include wood-fired heating, heat pumps and photovoltaic systems, as well as maintenance, repairs and other after-sales services.

Planair SA, succursale du Jura

Since 2005 · 51–100 empl.·5.0(2)

Planair SA, succursale du Jura is an engineering office working on the energy and climate transition. Its activities include technical building systems planning, energy-efficient building renovations and environmental labels, as well as other consulting and planning services offered by Planair.

EDJ, ENERGIE DU JURA S.A.

Since 1989 · 11–20 empl.

EDJ, ENERGIE DU JURA S.A. operates in gas supply, biogas, renewable energy and energy efficiency. It advises individuals, businesses and public institutions, and supports energy-efficiency and renewable-energy projects.

Homenergy SA

Since 2018 · 11–20 empl.

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.

LJ METAL Sàrl

Since 2016 · 1–10 empl.·5.0(9)

LJ METAL Sàrl designs and builds industrial and commercial buildings as well as custom metalwork. Its services include renovations, carports and photovoltaic installations, with project support from technical planning through to installation.

Optimum Swiss Solar Sàrl

Since 2020 · 1–10 empl.

Optimum Swiss Solar Sàrl plans, installs and maintains solar energy systems and provides services such as project studies, implementation, troubleshooting, drone cleaning of solar panels and custom-designed solar carports. The company focuses on solar energy solutions for residential and commercial projects.

Swinergies SA

Since 2018 · 1–10 empl.

ADS Energie Sàrl

Since 2025 · 1–10 empl.