Energy technology in
Root D4

5 companies in Energy technology based in Root D4 — name and year of registration from the commercial register. The list below shows them all.

Companies

All 5 companies in Root D4

PHENOGY AG Logo

PHENOGY AG

Since 2019 · 21–50 empl.

The core activity of PHENOGY is the development and manufacture of sustainable energy storage solutions.

Energy technology
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
NRG Solutions AG Logo

NRG Solutions AG

Since 2023 · 11–20 empl.

NRG Solutions AG develops, finances, implements and manages battery energy storage systems for industrial and commercial businesses, sites and energy suppliers. Its services also include energy consulting, project development, technical operations and marketing of storage flexibility.

Energy technologyProject development (EPCM)Operations & energy optimisationEnergy & grid services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Swiss Furnace GmbH Logo

Swiss Furnace GmbH

Since 2023 · 1–10 empl.

Swiss Furnace GmbH develops and manufactures concentrated solar thermal systems, including the SF900 for supplying high-temperature heat to industrial processes. The systems use thermal energy storage and can also support cooling and water treatment.

Energy technologySolar high-temperature industrial heat (SF900)Industrial cooling with solar heat (SF900)Water treatment and atmospheric water generation (SF900)
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #3
Cowa Thermal Solutions AG Logo

Cowa Thermal Solutions AG

Since 2019 · 11–20 empl.5.0(1)

Cowa Thermal Solutions AG develops compact thermal energy storage systems based on phase-change materials for heating and hot-water applications. Its products include buffer, domestic hot-water and combined storage units, alongside custom development and integration for manufacturers and technology partners.

Energy technologyThermal storage solutionsBuffer storage tanksDomestic hot water storage tanks
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #4
NEU SOLAR AG Logo

NEU SOLAR AG

Since 2022 · 11–20 empl.

NEU SOLAR AG develops solar thermal energy solutions for industry. Its activities include heat and energy generation, solar-powered cooling systems, desalination and thermal energy storage, as well as facilitating and managing energy projects.

PhotovoltaicsSolar thermal energy solutionsPlanning and deployment of thermal power plantsCooling with absorption chillers
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Energy technology in Root D4

5Energy technologyCommercial register (Zefix) · as of November 15, 2026
2022Median year of registrationCommercial register (Zefix) · as of November 15, 2026
81in the Canton of LucerneCommercial register (Zefix) · as of November 15, 2026
1,574in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Energy technology in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 15, 2026

Largest places

Lucerne12Rothenburg5