U.S. Power Sector CO2 Emissions Expected to Increase Through 2040 (EIA)
Although U.S. carbon dioxide (CO2) emissions associated with electricity generation have fallen from the 2005 level, they are projected to increase in the coming decades, based on analysis in EIA's
Annual Energy Outlook 2015 (AEO2015) that reflects current laws and regulations, and therefore does not include proposed rules such as the
U.S. Environmental Protection Agency's
Clean Power Plan.
In 2013, CO2 emissions from electricity generation accounted for 38% of the total energy-related CO2 emitted. Since 2005, the substitution of natural gas for coal as well as increases in renewable and nuclear generation helped to reduce these emissions. Increased energy efficiency in homes and business led to lower electricity demand growth, reducing the need to generate electricity.
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