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U.S. Energy-Related Carbon Dioxide Emissions, 2013

U.S. ENERGY-RELATED CARBON DIOXIDE EMISSIONS INCREASED 2.5% IN 2013

  • “Energy-related carbon dioxide emissions (CO2) increased from 5,267 million metric tons (MMmt) in 2012 to 5,396 MMmt in 2013 (2.5%).
  • The 2013 increase was largely the result of colder weather leading to an increase in energy intensity (energy measured in Btu per dollar of gross domestic product [GDP]) from 2012.
  • Heating degree days were up 18.5% in 2013 versus 2012.
  • In only three years since 1990 have emissions increased more: 1996, 2000, and 2010.
  • The average delivered price of natural gas to electric generators rose from $3.54 per million Btu (MMBtu) in 2012 to $4.49 per MMBtu in 2013 as average delivered coal prices declined from $2.38 per MMBtu in 2012 to $2.35 per MMBtu in 2013; these price changes shifted some plant dispatch decisions, increasing the share of generation from coal-fired units.
  • Despite the increase over 2012, emissions in 2013 were still 10% below their 2005 level.”

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