The U.S. Environmental Protection Agency (EPA) has proposed new limits on carbon pollution from existing power plants. Electric power generation is responsible for nearly 40 percent of U.S. carbon dioxide emissions – making it the largest single source.
Reducing power sector emissions is a key part of President Obama’s Climate Action Plan , which aims to reduce overall U.S. greenhouse gas emissions 17 percent below 2005 levels by 2020. His June 2013 presidential memorandum directed EPA to set standards for both new and existing plants.
In June 2014, EPA released a “Clean Power Plan ” to limit carbon emissions from existing power plants. Under the rule, each state has its own target (due to regional variation in generation mix and electricity consumption), but overall the rule is designed to cut emissions 30 percent from 2005 emissions by 2030, with an interim target of 25 percent on average between 2020 and 2029. EPA is expected to finalize this rule by June 2015.
Previously, in September 2013, EPA released a “Carbon Pollution Standard for New Power Plants ,” replacing a March 2012 proposal. EPA proposed standards for coal- and natural gas-fired plants (measured as tons of greenhouse gas emissions per megawatt-hour of electricity produced) that states would apply at each regulated plant. EPA is expected to finalize this rule later this year.
Explore the issues and options involved in EPA regulation of carbon pollution from power plants through the following resources.
- U.S. Environmental Protection Agency, Carbon Pollution Standards webpage.
- Presidential Memorandum – Power Sector Carbon Pollution Standards
- Megan Ceronsky and Tomas Carbonell, Section 111(d) of the Clean Air Act: The Legal Foundation for Strong, Flexible & Cost-Effective Carbon Pollution Standards for Existing Power Plants (Washington, DC: Environmental Defense Fund, 2013).
- Samuel D. Eisenberg, Michael Wara, Adele Morris, Marta R. Darby and Joel Minor, A State Tax Approach to Regulating Greenhouse Gases Under the Clean Air Act (Washington, DC: Climate and Clean Energy Economics Project at Brookings, 2014).
- Georgetown Climate Center, Carbon Pollution Standards for Existing Power Plants: State Opportunities and Potential Benefits (Washington, DC: Georgetown Climate Center, 2013).
- Daniel Lashof et al., Closing the Power Plant Carbon Pollution Loophole: Smart Ways the Clean Air Act Can Clean Up America’s Biggest Climate Polluters (Washington, DC: Natural Resource Defense Council, 2013).
- Daniel Lashof and Starla Yeh, Cleaner and Cheaper: Using the Clean Air Act to Sharply Reduce Carbon Pollution from Existing Power Plants, Delivering Health , Environmental, and Economic Benefits (Washington, DC: Natural Resource Defense Council, 2014).
- Jonas Monast et al., Regulating Greenhouse Gas Emissions From Existing Sources: Section 111(d) and State Equivalency , 42 Environmental Law Reporter 10206 (Washington, DC: Environmental Law Institute, 2012).
- James McCarthy, “EPA Standards for Greenhouse Gas Emissions from Power Plants: Many Questions, Some Answers. ” Congressional Research Service (CRS). R43127. June 26, 2013.
- Stephen Munro, EPA's Clean Power Plan: 50 chefs stir the pot (Washington, DC: Bloomberg New Energy Finance, 2014).
- National Conference of State Legislatures, States Reactions to Proposed EPA Greenhouse Gas Emissions Standards webpage.
- Conrad Schneider, Power Switch: An Effective, Affordable Approach to Reducing Carbon Pollution from Existing Fossil-Fueled Power Plants (Boston, MA: Clean Air Task Force, 2014).
- Robert Sussman, Power Plant Regulation under the Clean Air Act: A Breakthrough Moment for US Climate Policy? (Charlottesville, VA: Virginia Environmental Law Journal, 2014).
- Jeremy M. Tarr, Jonas Monast, and Tim Profeta, Regulating Carbon Dioxide under Section 111(d) of the Clean Air Act: Options, Limits, and Impacts (Durham, NC: Nicholas Institute for Environmental Policy Solutions, 2013).
- Gregory E. Wannier et al., Prevailing Academic View on Compliance Flexibility under § 111 of the Clean Air Act , RFF Discussion Paper 11-29 (Washington, DC: Resources for the Future, 2011).