UK Datacentre Electricity Consumption Rises 41% Amid Regional Concentration

UK datacentre electricity consumption reached 4.46TWh in 2024, accounting for 1.8% of total grid demand. This represents a 41% increase since 2020, significantly outpacing the 8% growth in the number of operational facilities. The data indicates that average power consumption per site has risen by 31%, driven by the deployment of high-density artificial intelligence compute infrastructure.

Grid demand remains largely stagnant at 323TWh, making datacentres a primary source of load growth. While national demand is flat, industrial consumption has declined for four consecutive years. This divergence highlights the increasing reliance of the digital economy on specific grid nodes.

Regional distribution is highly skewed, with the Slough and Hillingdon corridor consuming 1.83TWh—nearly triple the combined load of the North, Midlands, Scotland, South West, and Wales. Infrastructure investment remains anchored to established fibre-dense hubs, contradicting projections of a broader regional build-out. This concentration poses potential risks to local grid stability and may necessitate further regulatory intervention regarding energy allocation and regional development policy.