EPA Regulations and Electricity – Better Monitoring by Agencies Could Strengthen Efforts to Address Potential Challenges, GAO-12-635, July 17, 2012
“EPA recently proposed or finalized four regulations affecting coal-fueled electricity generating units, which provide almost half of the electricity in the United States: (1) the Cross-State Air Pollution Rule; (2) the Mercury and Air Toxics Standards; (3) the proposed Cooling Water Intake Structures regulation; and (4) the proposed Disposal of Coal Combustion Residuals regulation. Power companies may retrofit or retire some units in response to the regulations. EPA estimated two of the regulations would prevent thousands of premature deaths and generate $160-$405 billion in annual benefits. Some stakeholders have expressed concerns that these regulations could increase electricity prices and compromise reliabilitythe ability to meet consumers’ demand. FERC and others have oversight over electricity prices and reliability. DOE can order a generating unit to run in certain emergencies. GAO was asked to examine: (1) actions power companies may take in response to these regulations; (2) their potential electricity market and reliability implications; and (3) the extent to which these implications can be mitigated. GAO reviewed agency documents, selected studies, and interviewed stakeholders.”
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