0.347 t
2025 (latest)
ELECTRICITY CO2 INTENSITY
metric tons/MWh · 1973–2025 · neither direction is "better" · computed from U.S. Energy Information Administration annual series
0.691 t
1973
0.691 t
high · 1973
0.343 t
low · 2024
−50%
since 1973
┊ dashed lines mark 1979 Oil shock & inflation peak · 1987 Black Monday crash · 1991 Gulf War recession · 2001 Dot-com bust & 9/11 · 2008 Global financial crisis · 2020 COVID-19 pandemic
Method & caveats. TXEIEUS divided by ELEGPUS; matched calendar years only. Numerator Million Metric Tons of Carbon Dioxide; denominator Million Kilowatthours; unit conversion factor 1000. None known; publisher revisions may revise the full history. Breaks: none known; publisher revisions may revise the full history.
Sources
Every value on this page is read from the publisher below. Current and historical source documents:
- https://api.eia.gov/v2/total-energy/data/?frequency=annual&data%5B0%5D=value&facets%5Bmsn%5D%5B%5D=TXEIEUS&length=5000&sort%5B0%5D%5Bcolumn%5D=period&sort%5B0%5D%5Bdirection%5D=asc
- https://api.eia.gov/v2/total-energy/data/?frequency=annual&data%5B0%5D=value&facets%5Bmsn%5D%5B%5D=ELEGPUS&length=5000&sort%5B0%5D%5Bcolumn%5D=period&sort%5B0%5D%5Bdirection%5D=asc
- https://github.com/danielmiessler/substrate/tree/main/Data/US-Energy-And-Environment
Data
| Year | Electricity CO2 intensity | Change |
|---|---|---|
| 2025 | 0.347 t | +1% |
| 2024 | 0.343 t | −3% |
| 2023 | 0.353 t | −7% |
| 2022 | 0.378 t | −4% |
| 2021 | 0.392 t | +4% |
| 2020 | 0.376 t | −8% |
| 2019 | 0.408 t | −7% |
| 2018 | 0.439 t | −2% |
| 2017 | 0.449 t | −3% |
| 2016 | 0.464 t | −5% |
| 2015 | 0.488 t | −6% |
| 2014 | 0.520 t | −1% |
| 2013 | 0.525 t | +0% |
| 2012 | 0.523 t | −5% |
| 2011 | 0.550 t | −4% |
| 2010 | 0.571 t | +1% |
| 2009 | 0.566 t | −5% |
| 2008 | 0.597 t | −1% |
| 2007 | 0.605 t | +0% |
| 2006 | 0.603 t | −2% |
| 2005 | 0.618 t | +0% |
| 2004 | 0.616 t | −1% |
| 2003 | 0.622 t | +1% |
| 2002 | 0.618 t | −2% |
| 2001 | 0.634 t | −0% |
| 2000 | 0.634 t | +2% |
| 1999 | 0.623 t | −1% |
| 1998 | 0.632 t | +0% |
| 1997 | 0.630 t | +2% |
| 1996 | 0.618 t | +1% |
| 1995 | 0.613 t | −2% |
| 1994 | 0.628 t | −0% |
| 1993 | 0.629 t | +0% |
| 1992 | 0.627 t | +1% |
| 1991 | 0.622 t | −1% |
| 1990 | 0.629 t | −2% |
| 1989 | 0.645 t | −1% |
| 1988 | 0.654 t | −1% |
| 1987 | 0.658 t | +1% |
| 1986 | 0.653 t | −1% |
| 1985 | 0.660 t | −0% |
| 1984 | 0.662 t | −0% |
| 1983 | 0.662 t | −0% |
| 1982 | 0.665 t | −2% |
| 1981 | 0.680 t | +0% |
| 1980 | 0.678 t | +1% |
| 1979 | 0.671 t | +2% |
| 1978 | 0.656 t | −3% |
| 1977 | 0.679 t | +2% |
| 1976 | 0.664 t | +2% |
| 1975 | 0.649 t | −3% |
| 1974 | 0.670 t | −3% |
| 1973 | 0.691 t | — |
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