en.Wedoany.com Reported - Airengy and Hagag Europe will invest approximately 55 million euros in Romania to develop a compressed air energy storage project. This Romanian compressed air energy storage project will utilize Airengy's AirBattery technology, leveraging underground salt caverns for long-duration energy storage, with a planned final storage capacity of up to 5 GWh.

The Romanian compressed air energy storage project will be built in two phases, ultimately achieving a discharge capacity of 25 MW and a storage capacity of up to 5 GWh. The project company's equity arrangement is that Airengy and Hagag Europe each hold 40%, with an undisclosed third party holding the remaining 20%. Airengy will be responsible for project planning, design, construction, and operation, and will provide the AirBattery technology system.

The first phase of the project plans to initially build approximately 200 MWh of storage capacity, with an estimated construction cost of about 4.5 million euros. Airengy expects that the project will commence construction in 2027 and is likely to enter commercial operation in early 2028. The AirBattery technology has previously been deployed on a smaller scale in Israel, including a 10 kW pilot project and a 250 kW operational project. If this Romanian compressed air energy storage project proceeds as planned, it will provide a new engineering application example for salt cavern energy storage, long-duration energy storage, and grid regulation.

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