Data centres account for 23% of electricity usage
Data centers in Ireland now account for 23% of total metered electricity consumption, a significant increase from 5% in 2015. Government projections suggest this demand could reach one-third of national electricity usage by 2030, prompting new renewable energy requirements for developers.
Why it matters
The rapid growth of energy-intensive data infrastructure poses challenges for national energy grids and sustainability goals.
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.
The article relies on official statistics from the Central Statistics Office and reports on government policy without editorializing.
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