Irish data centers now guzzle 23% of the country’s electricity

Electricity used by datacenters in Ireland increased by 10 percent during 2025, despite an effective moratorium on most new datacenter grid connections in the Dublin area.

The latest figures from Ireland’s Central Statistics Office (CSO) show that giant server farms now account for nearly a quarter of the country’s metered electricity consumption.

Their share rose to 23 percent in 2025 after passing 20 percent in 2023 and 14 percent in 2021 – up from just 5 percent way back in 2015.

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