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EPA proposes Affordable Clean Energy Rule

Rule intended to replace the Clean Power Plan

Posted August 23, 2018

EPA has proposed a new rule which would establish emission guidelines for states to develop plans to address greenhouse gas (GHG) emissions from existing coal-fired power plants. The Affordable Clean Energy (ACE) rule is intended to replace the Clean Power Plan (CPP), which was stayed by the U.S. Supreme Court and has not gone into effect.

According to EPA, the ACE rule has several components:

  • A determination of the best system of emission reduction for greenhouse gas emissions from coal-fired power plants,
  • A list of “candidate technologies” states can use when developing their plans,
  • A new preliminary applicability test for determining whether a physical or operational change made to a power plant may be a “major modification” triggering New Source Review, and
  • New implementing regulations for emission guidelines under Clean Air Act section 111(d).

EPA will accept comments on the proposed rule for 60 days after publication in the Federal Register and will hold a public hearing.

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