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DirectoryEnergy & EnvironmentEnergy SuppliersSt. GallenQuellfrosch GmbH
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Quellfrosch GmbH

Summary

About the company

Quellfrosch GmbH plans and builds small hydropower plants, Coanda water intakes, turbines and the related electrical control systems. The company also offers photovoltaic systems, feasibility studies and consulting on using drinking water and wastewater for electricity generation.

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Micro hydropower plants
Micro hydropower plants for power generation, as complete solutions with turbines, water intakes and control systems; including planning, construction and installation for springs, streams, old mills and similar sites.
Coanda water intakes
Coanda water intakes and Coanda strainers for water intakes, assembled in the workshop and used for micro hydropower plants; including patented strainers with different screen widths and intake capacity.
Photovoltaic systems
Photovoltaic systems, including mobile systems or for island operation and grid-parallel operation; Quellfrosch builds PV systems in cooperation with LEC-Solar and presents several reference installations.
Feasibility studies
Feasibility studies for municipalities, cities and existing projects, in particular to assess whether building a hydropower plant is worthwhile.
Advisory for energy and water use
Advisory on using drinking water and wastewater for power generation as well as on energy management for buildings.
Turbines
Turbines for hydropower plants, designed and manufactured for specific projects, including Pelton turbines, crossflow turbines and Turgo turbines for different ranges of pressure and water flow.
Control systems for hydropower plants
Fully automatic control systems and PLC control systems for hydropower plants, for grid operation and/or island operation, including programming and electrical equipment.
Valves
Electric ball valves and shut-off valves for hydropower plants, in various pipe sizes and with 24 V DC or 230 V actuation.
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Location

Oststrasse 25
9000 St. Gallen

At a glance

Legal form
Limited Liability Company
UID
CHE-315.615.761
Founded
2024 · 2 years
Last commercial register change
May 23, 2025
Employees
1 to 10

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