Clean Power Plan
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| Clean Power Plan | |
|---|---|
| Name | Clean Power Plan |
| Caption | United States Environmental Protection Agency emblem |
| Introduced | 2015 |
| Enacted by | Barack Obama |
| Proposed by | Environmental Protection Agency |
| Status | repealed |
Clean Power Plan The Clean Power Plan was a regulatory package issued in 2015 by the Environmental Protection Agency under the administration of Barack Obama to limit carbon dioxide emissions from existing fossil fuel–fired power plants in the United States. It established state-specific targets and a framework intended to reduce greenhouse gas emissions to combat climate change, influence energy markets, and create incentives for renewable energy deployment. The rule prompted extensive litigation, political controversy, and policy responses across federal, state, and industry actors.
Background and development
The rule drew on authority in the Clean Air Act and followed a series of scientific assessments and international commitments, including findings by the Intergovernmental Panel on Climate Change, reports from the National Academy of Sciences, and positions advanced at the United Nations Framework Convention on Climate Change negotiations such as the Paris Agreement. Development involved the Environmental Protection Agency, technical analyses by the National Renewable Energy Laboratory, input from the Department of Energy, and consultations with state agencies like the California Air Resources Board and regional organizations such as the Regional Greenhouse Gas Initiative and the Midcontinent Independent System Operator. The process incorporated modeling from entities including the Electric Power Research Institute and academic centers like Stanford University's Precourt Institute and Massachusetts Institute of Technology's Energy Initiative.
Provisions and targets
The rule set emission performance rates and state-specific goals based on a building-block approach that referenced heat rates at PJM Interconnection plants, dispatch changes reflected in New York Independent System Operator patterns, increased use of combined-cycle gas turbines akin to fleets operated by Southern Company, and generation shifts toward renewables exemplified by projects from NextEra Energy and Iberdrola Renewables. States could meet goals through measures such as emissions trading programs like the California Cap-and-Trade Program or joining regional initiatives exemplified by the Regional Greenhouse Gas Initiative. Compliance timelines referenced interim periods and final targets similar to mechanisms used in the Acid Rain Program and contemplated use of market instruments analogous to European Union Emissions Trading System allowances. The EPA published technical appendices drawing on data from agencies including the Energy Information Administration and industry groups such as the Edison Electric Institute.
Legal and regulatory challenges
Litigation against the rule was led by coal industry actors including Peabody Energy and utility coal producers such as Arch Coal, alongside many states led by executives like former Governor Greg Abbott of Texas and Governor Matt Bevin of Kentucky. The rule was stayed by the United States Supreme Court in a 2016 procedural order while challenges proceeded in the United States Court of Appeals for the District of Columbia Circuit. Petitioners cited limits under the Administrative Procedure Act and contested interpretations of sections of the Clean Air Act relevant to stationary source regulation. Opponents included trade associations such as the American Coalition for Clean Coal Electricity and legal briefs from firms representing industrial interests; supporters included environmental organizations like Sierra Club, Natural Resources Defense Council, and scientific societies such as the American Meteorological Society. Amicus briefs were filed by state actors including California Attorney General offices and by federal actors from the Department of Justice during the Obama administration.
Implementation and compliance
The EPA offered states flexibility through State Implementation Plans and model trading mechanisms similar to protocols used by Regional Greenhouse Gas Initiative members and cap-and-invest frameworks advocated by California Air Resources Board. Several states developed plans coordinated by multi-state compacts, while others pursued extension or alternative approaches reflecting policies seen in states like West Virginia and Ohio. Utilities including Duke Energy, Exelon, and Dominion Energy evaluated compliance costs and shifts in capital planning; independent system operators such as California Independent System Operator and New York Independent System Operator examined grid reliability under generation changes. Financial institutions including Goldman Sachs and Bank of America assessed economic impacts, and power sector stakeholders engaged through the National Association of Regulatory Utility Commissioners and the American Public Power Association.
Environmental and economic impacts
Analyses projected reductions in carbon dioxide emissions comparable to commitments endorsed by participants at the Paris Agreement and modeled by research centers like Resources for the Future and the Rhode Island School of Design's energy studies—institutions and think tanks such as World Resources Institute, Brookings Institution, Center for Climate and Energy Solutions, and Union of Concerned Scientists produced impact assessments. Expected co-benefits included declines in sulfur dioxide and nitrogen oxides analogous to improvements observed after the Acid Rain Program, with public health gains highlighted by the Centers for Disease Control and Prevention and National Institutes of Health-linked studies. Economic analyses from organizations like the Congressional Budget Office and private consultancies such as IHS Markit examined jobs, electricity prices, and regional economic shifts; trade groups including the American Petroleum Institute and Chamber of Commerce presented alternate forecasts.
Repeal, replacement, and legacy
Following the 2016 presidential transition, the Donald Trump administration initiated rulemaking to repeal and replace the Plan with the Affordable Clean Energy rule, involving the Department of Energy and the Environmental Protection Agency under new leadership. Subsequent litigation in the United States Supreme Court and lower courts, as well as actions by state governments and international commentators, shaped the rule’s legal and policy legacy. The initiative influenced subsequent regulatory proposals, state clean energy mandates such as those in California, New York, and Hawaii, corporate procurement policies from companies like Google and Amazon, and discussions at multilateral fora including COP21 and COP26. Its substantive debates continue to inform discourse among institutions like the Federal Energy Regulatory Commission, academic centers at Harvard University and Princeton University, and advocacy groups including Earthjustice and 350.org.