Irish datacenters now guzzle 23% of the country's electricity

Consumption rose another 10% while restrictions on most new grid connections remained around Dublin

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.

According to the CSO, the energy sucked up by massive bit barns increased by 10 percent last year, expanding from 6,973 gigawatt hours (GWh) in 2024 to 7,663 GWh in 2025. All other customers consumed just 2 percent more electricity over the same period.

In fact, datacenters used more electricity than urban households, which accounted...

Copyright of this story solely belongs to theregister.com. To see the full text click HERE