News & Analysis as of

MATS Clean Air Act Utilities Sector

Jones Day

EPA Proposes Repeal of 2024 Mercury and Air Toxics Standards Amendments

Jones Day on

On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Electric Power Supply/Service Agreements: Federal Court Addresses Procedural Motion in Regards to Electric Cooperatives Challenge...

Washington-St. Tammany Electric Cooperative, Inc. and other non-profit electric cooperative corporations (collectively “Co-ops”) filed a breach of contract action (“Complaint”) on June 28th against Louisiana Generating,...more

Akin Gump Strauss Hauer & Feld LLP

Update on Environmental Regulations Impacting the Power Sector – Litigation May Create Uncertainty

As the electric power industry considers the options for compliance with an unprecedented suite of new environmental requirements, it faces continued uncertainty as to the fate of some of the most significant new regulations....more

Blank Rome LLP

EPA Up 3-0 in Clean Air Cases: What it Means for Greenhouse Gas Regulations

Blank Rome LLP on

The D.C. Circuit, by majority decision, upheld MATS, which requires coal- and oil-fired power plants to reduce emissions of mercury, arsenic, chromium, and other air pollutants. When the EPA adopted MATS in 2011, it did not...more

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