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Lithuania tenders expansion of Kruonis pumped-storage plant

Bids are invited by 25 February for a new 110 MW synchronous unit.

AB Ignitis Gamyba, the power generation arm of Lithuania’s state-controlled energy holding Ignitis Grupė, has launched a tender for the expansion of the 900 MW Kruonis pumped storage hydropower plant (KHAE) through the addition of a 110 MW synchronous unit.

Bids are invited by 25 February for the design, supply, installation, testing and commissioning of a new variable speed unit, which will be the plant’s fifth unit, and will have a capacity of 110 MW, with 44 MW technical minimum in generation mode and 77 MW in pumping mode. The tender will also entail the design, supply, installation and commissioning of the hydraulic steel structure and all plant components. Technical specifications were prepared by AFRY Switzerland last year.

The country’s major power producer, formerly known as Lietuvos Energija, aims to have the new unit in operation by the end of 2025, prior to Lithuania’s synchronization with the Continental European network. This it said would depend on contractor availability. Preliminary estimates in the socio-economic analysis put investments into the new unit at up to €80 million. Unlike the existing units, the new unit will be asynchronous, allowing it to be operated in a flexible way by adjusting to the operation of wind powerplants and by shifting power accordingly.

The tender notice, which was published on the EU’s procurement notice on 24 January, can be viewed at:

The procurement documents are available for unrestricted and full direct access, free of charge, at: Tenders or requests to participate must be submitted electronically via the same website.

For additional information, contact: Mindaugas Brusokas, UAB Ignitis grupės paslaugų centras, Laisvės pr. 10, Vilnius LT-04215, Lithuania; Email:; Tel: +370 65509771; Website: