Airengy, Hagag Europe to build 5 GWh compressed-air energy storage facility in Romania

Hagag Europe and Airengy’s Romania project will harness the latter’s long duration energy storage AirBattery technology with underground salt caverns to eventually reach 5 GWh storage capacity. Airengy told ESS News commercial operation is likely to begin in early 2028. The post Airengy, Hagag…

First covered Jun 15, 2026 · 1:42 AM PT · 1 article · no longer in the live window

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Appeared in: 2026-06-15 (#4) · 2026-06-16 (#10)

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