Andritz to supply equipment for major pumped storage project in Greece



Location of the Amfilochia Pumped Storage Complex (Copyright: TERNA ENERGY S.A.)

The Greek company Terna S.A., construction branch of Gek Terna Group, awarded the international technology group Andritz a contract for the supply of electromechanical equipment for the new Amfilochia Pumped Storage Complex in the Central Greece region. It is the largest grid energy storage investment in Greece and a milestone project for the country’s clean energy transition.

Once in commercial operation, the power plant will have a total installed capacity of

  • 680 MW (generation) and
  • 730 MW (pumping)
  • with an estimated total production of approximately 816 GWh

of clean and sustainable electrical energy per year. The advanced pumped storage plant will act as a green battery by balancing fluctuations in power generation from wind and solar plants, thus ensuring the secure and stable operation of the Greek power grid.

Given the global increase in energy demand and the growing share of volatile renewable energy sources, economical solutions for storing large amounts of energy are essential. Pumped storage power plants represent the most efficient method of storing large amounts of energy for extended periods of time. They therefore play a key role in the clean energy transition.

The Andritz scope of supply includes the design, manufacture, supervision of erection, and commissioning of six reversible pump-turbine generator units, along with associated auxiliaries and ancillary equipment, governors, excitation and protection system, main inlet valves, draft tube gates


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