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Atdorf Pumped Storage Plant

Design and consulting services for a hydropower plant (pumped storage plant, installed capacity: 1,400 MW, head: approx. 600 m, design flow: 266 m³/s) in the south of the Black Forest.

In order to meet the future requirements for the energy industry in Germany, the company Schluchseewerk AG is planning to upgrade its power plant capacities. Building the Atdorf Pumped Storage Plant shall increase the possibilities to integrate renewable energies into the energy supply system. This will be a contribution to the future security of supply.

The Atdorf Pumped Storage Plant with a planned overall capacity of 1,400 MWe is to use the 600 m difference in height between the Hornberg mountain and the Haselbachtal valley on a 9,400 m long section. The artificial Hornbergbecken II reservoir forms the upper reservoir; the lower reservoir is situated in the Haselbachtal valley north of the Rhine. The waterway leads from the Hornbergbecken II reservoir to the underground machinery hall via a vertical pressure shaft; from there, it runs in a south westerly direction to the Hasel-bachtal valley. The new cavern is close to the cavern of the existing Wehr Pumped Storage Plant.