The International Energy Agency (IEA) reported that global energy demand increased by 1.3% year-over-year (y-o-y) in 2025, down from an increase of 2.0% in 2024. Global electricity demand increased by nearly 800 terawatt-hours, up 3.0% y-o-y in 2025. Electricity demand in the U.S. increased by 2.0% y-o-y in 2025, with nearly half of the increase being attributed to consumption by data centers.