Energy Dome’s second CO2 Battery project with Google will secure carbon-free energy for tech giant while easing grid congestion in Ireland

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Energy Dome signed a second long-term energy supply agreement with Google for a 23MW/200MWh CO2 Battery project in County Offaly, Ireland. The project will support Google’s carbon-free energy goals while also helping reduce congestion on the Irish grid near Dublin. Energy Dome will build, own, and operate the system, with commercial operation expected in 2028. The company also has room to add a second unit at the site and may bid that capacity into Ireland’s upcoming long-duration energy storage procurement scheme.

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