Signal Britain's NESO pathways put 2050 data-centre demand at 30-71TWh within 540-646TWh total

Summary

Britain's National Energy System Operator reorganised its Future Energy Scenarios in 2024 around strategic pathways to net zero. The overhaul added strategic network investment, economic modelling and interaction between electricity and hydrogen. The 2025 edition names data centres as a key driver of commercial electricity demand, at 20 to 41TWh in 2035 and 30 to 71TWh in 2050 depending on the pathway. Total electricity demand in 2050 ranges from 540TWh to 646TWh across pathways, reflecting stronger electrification and data centre growth than the 2024 edition. The aim is to offer more action-oriented pathways that combine innovation, consumer behaviour and infrastructure choices.