- Hourly estimated grid carbon dioxide emissions and monthly carbon intensity.
- 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; Southern Company & neighboring; SWPP & neighboring; Tennessee Valley Authority.
- Year-over-year comparisons for any comparable time periods.
- Based on the U.S. Energy Department hourly grid survey.
- Updated semi-monthly. Lag is less than a day.