Andritz to supply a 170 MW variable-speed reversible pump turbine for “green battery”

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Andritz has received an order from the Upper Austrian Utility Energie AG to supply the electromechanical equipment for the new Ebensee pumped storage power plant. This project not only marks the largest single investment by the energy utility, but also represents a significant step towards climate neutrality. The advanced pumped storage plant will act as a green battery by balancing fluctuations in power generation from wind and solar plants, thus ensuring security of supply for the population.

(c) Rudolf Laresser

It takes advantage of the topography to store energy and make it available whenever needed. Excess energy from renewable sources will be used to pump water from the Traunsee lake into a mountain reservoir 500 meters higher up at Grosser Sonnstein. When needed, the stored water will be released to generate energy that would otherwise have to be produced from fossil sources.

Andritz will equip the power plant with a 170-megawatt variable-speed reversible pump turbine, the generator and related automation. The groundbreaking ceremony took place in October 2023. Scheduled to start commercial operation in 2028, the plant will be able to supply 280,000 households with green electricity.

www.andritz.com

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