Cleaned hourly electricity demand data for electric balancing authorities within the contiguous US. Raw data is based on the U.S. Energy Information Administration's collected data here. Cleaned hourly data spans July 2, 2015 - Dec 31, 2024 (9.5 continuous year). Please consider citing: Ruggles, T.H., Farnham, D.J., Tong, D. et al. Developing reliable hourly electricity demand data through screening and imputation. Sci Data 7, 155 (2020). https://doi.org/10.1038/s41597-020-0483-x Since the prior releases of this data, the EIA has limited the range of historical data available via their API. This release focuses on cleaning calendar years 2020 through 2024 and including the many balancing area subregions. Users can combine prior data releases with this latest release to have data extending from from 2 July 2015 through 31 Dec 2024.