Data centres consumed nearly 25% of Ireland's electricity in 2025, up from 5% a decade ago
By
Ian Curran
2h ago· 3 min readenNews
Summary
Data centres consumed nearly a quarter (24%) of Ireland's electricity in 2025, up from just 5% in 2015, according to the Central Statistics Office. Consumption reached 7,663 GWh, a 10% increase from 2024, while all other users saw only a 2% rise. The figures highlight growing public concern over the strain data centres place on Ireland's energy infrastructure.
Source
bskyData centres consumed nearly 25% of Ireland's electricity in 2025, up from 5% a decade agoirishtimes.comKey quotes
· 3 pulledData centres accounted for almost a quarter of the electricity consumed in Ireland last year, up from 5 per cent in 2015
A total of 7,663 gigawatt-hours (GWh) of electricity from Ireland's expanding grid capacity was used by data centres in 2025, up 10 per cent from 6,973GWh in 2024
Consumption by all other users, including households, rose by just 2 per cent over the same period
Electricity consumption by data centres rose 10% last year alone, says CSO
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