Uniper to recommission 160 MW pumped storage plant in Germany


From pv magazine ESS News site

Uniper has said it will invest approximately €250 million ($267 million) to recommission a pumped storage plant in Happurg, a town located in Bavaria, southeast Germany. The Düsseldorf-headquartered utilities multinational plans to reconnect the facility to the grid in 2028.

Biggest pumped storage facility in Bavaria

The Happurg plant is one of the largest pumped storage facilities in Germany and the biggest one in Bavaria. At 160 MW, it has a drop height of 209 meters and can store around 850 MWh of electricity. It was shut down as a safety precaution in 2011 after the base of the upper reservoir was damaged.

But hopes to recommission the plant were not entirely abandoned, and it has been subject to intensive subsoil investigations and geotechnical assessments. A feasibility study was carried out and approved by relevant authorities. The study outlined a technical concept for the rehabilitation of the upper basin, which would enable the project to be restarted.

Construction work will start immediately, said Uniper. According to the company’s CEO, Michael Lewis, the plan will work for all parties involved. It will cater to strong industrial demand for predictable power plant capacity in southern Germany as well as Uniper’s goal of having 80% of its generation capacity be carbon neutral by 2030.

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