Solar & Photovoltaics in the
Canton of Nidwalden

Elektro Wild + Barmettler AG

Since 1986 · 21–50 empl.·4.5(8)

The company provides electrical installation services, including planning and design of electrical systems, as well as innovative solutions for building automation, encompassing optimal control of building technology, high energy efficiency and comfort.

JetPro Europe AG

Since 2008 · 1–10 empl.

JetPro Europe AG offers the JetPro Diesel Booster, a device for thermal and physical pre-treatment of diesel fuel intended to improve fuel efficiency and emissions performance. The website explains the system expands and preheats fuel and passes it through a reactor that enriches the fuel with metallic ions, which the company says leads to more uniform combustion, reduced soot and NOx and fuel savings of around 10–15%. The site also refers to DEKRA certification and accompanying test reports and functional evidence for the products.

ASTE Group Swiss AG

Since 2012 · 11–20 empl.

The core activity of Aste Group is the development, manufacturing and marketing of products for renewable energy, particularly batteries, solar modules and other innovative solutions for sustainable energy supply.

Eysi Energii GEN

Since 2016 · 1–10 empl.

The core activity of Eysi Energii GEN is the promotion and realization of projects in the field of renewable and sustainable energy, particularly through the joint self-help of its members. This includes the planning, implementation and operation of projects such as photovoltaic systems, energy efficiency measures and mobility solutions. The company also provides consulting and services in these areas and promotes the use of renewable energy in the Nidwalden region.

E-Man AG

Since 2018 · 11–20 empl.

The core activity of E-Man AG is the planning, implementation and management of photovoltaic systems with connection for self-consumption (ZEV) for multi-family houses and house groups. The company offers services such as consulting, planning, installation and management of these systems to optimize self-consumption of self-produced electrical energy and enable the sale of electrical energy within the property.

SunEdison AG

Since 2020 · 1–10 empl.

SunEdison AG develops and manufactures photovoltaic modules and supplies solar power systems with integrated battery packs, together with maintenance and asset-management services. The company has also added an Electronic Division and a Medical Division that design electronic and RF communication equipment and medical devices, including development work on a compact defibrillator.

Hermann Schwyzer AG

Since 1980 · 1–10 empl.

The core activity of Schwyzer Heizungen AG is the planning, installation, maintenance and repair of heating systems, including environmentally friendly heating systems such as heat pumps, solar systems, wood heating systems, oil heating systems and pellet heating systems. The company also offers service activities such as burner service, corrosion protection and ventilation systems.

PowerFlow GmbH

Since 2020 · 1–10 empl.·5.0(9)

The core activity of PowerFlow GmbH is the conception, consulting and distribution of intelligent solar systems for single-family homes, multi-family homes and quarter solutions, as well as the import and distribution of home storage systems, inverters and e-mobility solutions. In addition, the company also distributes the Unkrautfuchs, a device for weed control using hot water.

Elektro Fries GmbH

Since 2008 · 1–10 empl.·5.0(8)

The core activity of Elektro Fries GmbH is the provision of electrical services, including: * Building technology * Installation and maintenance of solar systems * Lighting * IT systems and networks * Communication systems * Repairs * Installation of electric vehicle charging stations. The company thus offers a wide range of electrical services for private and business customers.

Würsch Söhne AG

Since 1976 · 11–20 empl.·4.0(4)

The core activity of Würsch Söhne AG is the provision of services in the field of building envelopes, particularly in the areas of: Roofing (pitched roof, flat roof), Facades, Solar systems / Photovoltaics, Sheet metal work / Lightning protection, Renovations / Monument preservation, Under-roof / Insulations, Repair / Maintenance, Consulting / Estimating, Crane work / Lift platforms, and Bird protection. The company offers comprehensive services for new construction, maintenance, and renovation areas, combining traditional expertise with modern trends, materials, and technologies.

eco-invention ag

Since 2022 · 11–20 empl.

The core activity of eco-invention ag is the development and provision of innovative solutions for the photovoltaic industry, particularly in the field of mounting systems and concepts for PV installations.

SyEnergy AG

Since 2025 · 21–50 empl.·5.0(11)

The core activity of SyEnergy is the planning, installation and maintenance of renewable energy systems, in particular: solar systems (photovoltaics), electromobility (charging stations and billing systems), energy management (energy flow management and optimization) and heat pumps. The company also offers consulting, planning and implementation of energy projects as well as maintenance and repair of systems.