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States diverge over whether to proceed with compliance planning for U.S. EPA's Clean Power Plan, which seeks to reduce power-sector carbon emissions. E&E's Power Plan Hub details which states are suspending or continuing efforts since the Supreme Court stayed the regulation. Click on a state above to see overviews of government and industry reactions, find links to relevant documents and read related stories.

To learn more about the stay, click here. To see a full list of where states stand, click here.

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For questions or comments about E&E’s Power Plan Hub or related stories, please email staff reporters Emily Holden and Rod Kuckro at

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It's déjà vu in arguments as EPA foes challenge another rule

The lawsuit over U.S. EPA's carbon rule for new power plants features similar battle lines, many of the same attorneys and the same federal court as the litigation over the Clean Power Plan. And opening briefs filed last week in the case show that challengers intend to make the Clean Power Plan a part of their legal arguments, too.

Clean Power Plan:

NRDC's Doniger, Sidley Austin's Martella debate legal future of rule

What is the legal future of U.S. EPA's Clean Power Plan, and how could the U.S. Court of Appeals for the District of Columbia Circuit's pending ruling on the regulation impact future Clean Air Act cases and rulemakings coming out of EPA? During today's OnPoint, David Doniger, director of the Climate and Clean Air Program at the Natural Resources Defense Council, and Roger Martella, a partner at Sidley Austin, discuss the most contentious issues being considered by the D.C. Circuit following last week's oral arguments. They also debate the precedent that could be set by the outcome of the litigation.

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Overview & Litigation Timeline Overview & Litigation Timeline D.C. Circuit Oral Argument Tipsheet D.C. Circuit Oral Argument Tipsheet Battle Lines Battle Lines Lawyers to watch Lawyers to Watch Rebalancing the Supreme Court Rebalancing the Supreme Court Legal Documents Legal Documents States at a Glance States at a Glance

Tracking the Rule

National Overview National Overview CPP Summary Clean Power Plan Summary Toolbox Toolbox Grid Reliability Grid Reliability

Federal Register Documents

Key Documents