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Google and Energy Dome launch a new long-duration energy storage project.
Evidence tier: A1 Evidence type: Auto-discovered official publication Source: Google Product News Official publication date: 2026-06-23 Captured: 2026-07-18T16:33:05.826Z
Google is partnering with Energy Dome to build a 23MW / 200MWh long-duration energy storage plant at a former thermal power station near Rhode, co. Offaly.
The project is part of a long-term agreement the companies announced last year to deploy Energy Dome’s CO2 Battery technology at scale and advance Google’s ambition to expand access to 24/7 clean, affordable energy for grids globally.
By absorbing surplus renewable energy during periods of oversupply and dispatching firm power during periods of system stress, Energy Dome’s plant can enable smart, cost-effective utilization of the grid’s renewable energy resources to balance the system.
Through this project Google and Energy Dome aim to establish a blueprint for how long duration energy storage technology can contribute to a clean, affordable electricity system in Ireland.
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