Data centres in Ireland have seen a significant increase in their electricity consumption, now accounting for 23% of the country’s total usage, according to the latest figures from the Central Statistics Office (CSO). This marks a steady rise from 22% in 2024 and a substantial jump from just 5% in 2015.
The growth in data centres’ electricity consumption underscores the sector’s rapid expansion and its substantial impact on national energy resources. With the increasing reliance on digital infrastructure, these facilities have become major players in the energy landscape.
The escalating energy demands of data centres present challenges as Ireland strives to balance its energy needs with sustainability goals. The government and industry stakeholders are likely to focus on strategies to mitigate the environmental impact while supporting technological advancements.
The trend highlights a pressing need for innovation in energy efficiency and renewable energy integration within the digital sector to ensure sustainable growth.
- Data centres’ energy use has increased from 5% in 2015 to 23% in 2025.
- This rise reflects the growing digital infrastructure demands in Ireland.
- Balancing energy consumption with sustainability remains a key challenge.
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