Google And Energy Dome Put A 23MW Storage Project Behind Ireland Data Center Demand
Google and Energy Dome plan a 23MW/200MWh long-duration storage plant in Rhode, Ireland, with land, planning consent, grid connection and an EirGrid capacity contract already secured.
Google Links Storage To Ireland's Data Center Grid Constraint
Google and Energy Dome are developing a 23MW/200MWh long-duration energy storage project in Rhode, Ireland, putting a data-center power constraint into a specific grid asset rather than a broad clean-energy pledge.
The project is expected to come online in 2028.
The storage plant is part of a long-term agreement signed last year to deploy Energy Dome's technology at scale and support Google's low-carbon efforts.
Energy Dome will develop, own and operate the plant, with Lumcloon Energy involved as a renewable developer.
Rhode Site Already Has Grid And Planning Milestones
The project is located at the site of a former peat-fired power station in County Offaly, close to the town of Rhode.
The companies described the location as a crucial node of the electrical grid, with high-voltage lines serving the Greater Dublin area, where data center facilities are concentrated.
The project has already secured land, planning consent and a grid connection.
It has also received a ten-year capacity contract from EirGrid, Ireland's state-owned transmission system operator.
Energy Dome also plans a second 200MWh unit at the same site.
Storage Becomes Part Of Google's Infrastructure Burden
Ireland was selected after long-duration storage became a key part of the country's energy system planning, alongside a goal of reaching 80 percent renewable energy generation by 2030.
For Google, that turns storage into part of the operating infrastructure behind cloud and AI demand, not a separate sustainability footnote.
The project also shows how data-center expansion increasingly depends on assets outside the server hall: grid nodes, capacity contracts, storage duration and local planning approvals.
Google Ireland's head Vanessa Hartley said the project is a step in the partnership with Energy Dome and will help scale the company's long-duration storage technology.
Capacity Delivery Is Still Ahead
Energy Dome founder and CEO Claudio Spadacini said the project will demonstrate CO2 Battery technology in Ireland while supporting a clean energy future.
The company is still moving from secured site conditions and grid approvals toward actual delivery of the storage plant.
The unresolved operating burden is the 2028 delivery date: Google and Energy Dome have land, planning consent, grid connection and an EirGrid capacity contract, but the 23MW/200MWh plant still has to enter service before it can relieve pressure near Dublin's data center cluster.
