U.S. energy-related CO2 emissions decreased by 3 per cent in 2023

Over 80 per cent of the CO2 emissions reductions occurred in the electric power sector, caused largely by decreased coal-fired electricity generation

CO2 emissions also decreased in the residential and commercial sectors by a combined 6 per cent in 2023, to about 561 MMmt, due to milder weather. Getty Images photo.

This article was published by the US Energy Information Administration on April 29, 2024.

By Kevin Nakolan

U.S. annual energy-related co2 emissions by sector

Data source: U.S. Energy Information Administration, Monthly Energy Review, March 2024

 

  • Based on analysis in our most recent U.S. Energy-Related Carbon Dioxide Emissions report, U.S. energy-related CO2 emissions decreased by 3 per cent, about 134 million metric tons (MMmt), in 2023.
  • Over 80 per cent of the emissions reductions occurred in the electric power sector, caused largely by decreased coal-fired electricity generation, which was displaced by increased generation from solar and natural gas. Electric power sector emissions decreased to about 1,425 MMmt in 2023, about 7 per cent less than in 2022.
  • Emissions also decreased in the residential and commercial sectors by a combined 6 per cent in 2023, to about 561 MMmt, due to milder weather leading to less energy demand for space heating and cooling in buildings.
  • Emissions from the industrial and transportation sectors remained relatively unchanged, with differences of less than 1 per cent from 2022.

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