The hosepipe ban has led to criticism of Ireland's data centres, but how much water do they use?
As of June 2025, Ireland was home to 89 data centres, which produce a significant amount of heat.
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As of today, Uisce Éireann has introduced a six-week housepipe ban to protect water supplies. The utility reported that the domestic custome

Data centers gobbled up 23% of Ireland’s electricity supply in 2025 – nearly as much power as every home in the country combined
Figures from the Central Statistics Office come amidst rising concerns over the impact of data centers on Ireland's power grid

Report: Irish datacentres consumed 22% of electricity, adding €360 to household bills
Datacentres used 22% of country’s electricity last year, pushing up household bills, study suggests
Datacenters consume 23% of Ireland's electricity in 2025, up 10% despite Dublin grid restrictions
Consumption rose another 10% while restrictions on most new grid connections remained around Dublin
Datacenters consume 23% of Ireland's electricity in 2025, up 10% despite Dublin grid restrictions
Consumption rose another 10% while restrictions on most new grid connections remained around Dublin

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