Carbon dioxide emissions from the U.S. power sector have declined 28% since 2005
Carbon dioxide emissions from the U.S. power sector have declined 28% since 2005 U.S. electric power sector carbon dioxide emissions (CO2) have declined 28% since 2005 because of slower electricity demand growth and changes in the mix of fuels used to generate electricity. EIA has calculated that CO2 emissions from the electric power sector totaled 1,744 million metric tons (MMmt) in 2017, the lowest level since 1987.