- Hourly electric energy sales and monthly load factor.
- For any of thirteen regions: Arizona & neighboring; Bonneville Power Administration, Colorado, Nevada & neighboring; California; Carolinas; ERCOT; Florida; ISO New England; MISO & neighboring; New York ISO; PJM; SouthernCompany & neighboring; SWPP & neighboring; Tennessee Valley Authority.
- Year-over-year comparisons for any comparable time periods.
- Based on the same U.S. Energy Department hourly grid survey. Same data availability (except some missing data for ERCOT in early 2019).