Households reduced their consumption of electricity last year by 9%, according to new figures published by the Central Statistics Office.
However, data centres increased their power consumption by 31% and now account for 18% of electricity used.
This industry has gone from using 5% of total power consumed to 18%.
Data centres consumed 31% more power last year than in 2021 and 400% more than they did in 2015.
This compares to a 20% overall increase in electricity consumption over the seven-year period.
Meanwhile, households reduced their consumption of electricity last year compared to the preceding two years, during the Covid crisis.
The median, or mid-point, residential consumption of electricity fell by 12% last year compared to 2021.
Urban and rural residential users of electricity accounted for 28% of consumption while non-residential users made up 71%.
Large users, which include IT and cement manufacturers as well as bigger data centres, accounted for 27% of consumption last year, an increase of 20%.
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