Clean power surpasses 40% of global electricity generation

Generation from all low-carbon power sources – renewables plus nuclear – surpassed 40% of global electricity in 2024 for the first time since the 1940s. Renewable power sources added a record 858 TWh of generation in 2024, 49% more than the previous record of 577 TWh set in 2022. The record increase in renewables coupled with a small increase in nuclear output of 69 TWh brought low-carbon power to 40.9% (12,609 TWh) of the mix in 2024, compared with 39.4% in 2023. Hydro remained the largest source of low-carbon electricity (14.3%), followed by nuclear (9.0%), with wind (8.1%) and solar (6.9%) rapidly gaining ground and together overtaking hydro in 2024, while nuclear’s share reached a 45-year low.