NSR
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News
EPA Reinterprets ‘Ambient Air,’ Further Tweaks New Source Review
The Environmental Protection Agency (EPA) has finalized a change to a long-standing policy interpreting “ambient air”—a foundational concept under the Clean Air Act that applies to all types of air pollution, from ground-level ozone, particulate matter, and greenhouse gases. While the agency framed the change as part of a suite of actions to reform New Source […]
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Legal & Regulatory
What Coal Generators Should Know About the EPA’s Proposed ACE Rule
The Environmental Protection Agency’s (EPA’s) Affordable Clean Energy (ACE) rule is proposed to replace the 2015 Clean Power Plan—which the Supreme Court stayed in February 2016 and never went into effect. According to the EPA, the replacement is necessary because the Obama-era Clean Power Plan “exceeded the EPA’s authority.” However, like the Clean Power Plan, […]
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Coal
Duke Energy to Shutter Three Coal Units, Resolve Drawn-Out Clean Air Act Lawsuit
Duke Energy has settled a 15-year-old lawsuit for allegedly violating the Clean Air Act when it made modifications at 13 coal-fired power units in North Carolina. The Environmental Protection Agency’s (EPA’s) and the Department of Justice’s (DOJ’s) original case filed in 2000 focused on 25 Duke Energy coal units. As it has in more than […]
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Legal & Regulatory
NSR Settlement Requires New Pollution Controls for Four Corners Coal Plant
Several Arizona and New Mexico–based utilities will be required to install pollution controls at the coal-fired Four Corners Power Plant to curb sulfur dioxide (SO2) and nitrogen oxide (NOx) under a settlement reached with the Environmental Protection Agency and the Justice Department. The settlement involves the Arizona Public Service Co. (APS), the operator and primary […]
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Coal
AEP Opts to Retire Tanners Creek 4 in Lieu of Refueling With Natural Gas
American Electric Power (AEP) last week said it would retire the 500-MW coal-fired Unit 4 along with other generating units at its Tanners Creek plant in Lawrenceburg, Ind. AEP subsidiary Indiana Michigan Power had announced its decision to retire Tanners Creek Units 1–3 (495 MW) by mid-2015 in June 2011. A modified settlement reached this […]
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Coal
DOJ Files to Enforce Luminant’s Alleged NSR Violations at Big Brown, Martin Lake
An enforcement action filed in federal district court by the Department of Justice last week alleges Luminant Generating Co. made unauthorized changes to its Big Brown and Martin Lake coal-fired power plants in Texas that violated the Clean Air Act. The case filed under seal in the Northern District of Texas (Dallas division) follows a […]
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