Data Centres Account for 23% of Electricity Usage

Data centres now use almost a quarter of Ireland's electricity

Data centres accounted for 23% of Ireland's metered electricity consumption in 2025, new CSO stats confirm.

Data centres accounted for almost a quarter of all electricity usage in Ireland last year

Data centre consumption has grown every single year without exception, experts said.

Data centres accounted for 23% of all Ireland's electricity usage last year, new data shows

Data centres accounted for almost a quarter of total electricity used last year, CSO figures show

Data centres account for almost a quarter of Irish electricity usage in 2025

Electricity consumption by data centres rose 10% last year alone, says CSO

Data centres account for 23% of electricity usage

The percentage share of total metered electricity consumption used by data centres rose to 23% in 2025 up from 22% in 2024 and just 5% in 2015.