Power Plants Environmental Protection Agency

News & Analysis as of

Supreme Court Halts Implementation of EPA Rule on Mercury Emissions from Electric Power Plants: The Practical Effects Are...

On Monday, the U.S. Supreme Court halted further implementation of a U.S. EPA’s regulation limiting mercury and other hazardous air toxic emissions from coal- and oil-fired electric power plants. In a 5-4 decision, the...more

Because EPA Failed to Consider Costs to Industry, Supreme Court Overturns Power Plant Regulation

The Mercury and Air Toxics Standards rule ("MATS") for electric utility steam generating units has been reversed and remanded with the Supreme Court’s much-anticipated decision in Michigan v. EPA on June 29, 2015. Writing for...more

Supreme Court Decision Could Limit EPA's Authority Over Greenhouse Gas Emissions

On June 29, 2015, the U.S. Supreme Court delivered another warning to the Environmental Protection Agency (EPA) against overstepping its statutory authority under the Clean Air Act. In Michigan v. Environmental Protection...more

Supreme Court Rejects EPA's Rule Regulating Hazardous Air Polluntants from Power Plants

On June 29, the U.S. Supreme Court held that the Environmental Protection Agency (EPA) was wrong not to consider the cost of compliance when it decided to regulate mercury and other air toxic substances emitted from power...more

The U.S. Supreme Court Invalidates EPA's Power Plant Mercury Emissions Regulation

On June 29, 2015, the U.S. Supreme Court in Michigan v. Environmental Protection Agency invalidated the U.S. Environmental Protection Agency's Mercury and Toxic Air Standards (MATS) regulation by a 5 to 4 vote, finding that...more

Supreme Court rules on EPA power plant regulations

The Supreme Court of the United States has ruled that the U.S. Environmental Protection Agency acted unreasonably in developing new regulations on hazardous air emissions from power plants without considering the cost impact...more

"Capacious" Term Dooms MATS Rule - Does It Say Anything About the Clean Power Plan?

The Energy Information Agency predicted the retirement of up to 60 gigawatts of coal-fired electricity generation by 2020. A significant contributor to that evolution was the Mercury and Air Toxics Standard or MATS Rule. ...more

Considerable Costs—Supreme Court Requires EPA to Consider Cost Impacts of Power Plant Toxic Emissions Rules

A closely divided Supreme Court has determined that EPA must consider cost when regulating emissions of hazardous air pollutants from stationary sources. Under the Clean Air Act, EPA has authority to regulate toxic emissions...more

Supreme Court Rejects EPA Rulemaking Process for Power Plant Emissions Standards

The US Supreme Court held yesterday that the US Environmental Protection Agency (EPA) unreasonably failed to consider costs when it made the initial decision to regulate emissions of hazardous air pollutants from power...more

US Supreme Court Nixes EPA Regulations on Mercury Emissions – Must Consider Costs Early!

In Michigan v. EPA, the U. S. Supreme Court invalidated EPA’s rules limiting emissions of mercury and other pollutants from power plants, ruling that EPA inappropriately ignored the costs of regulation – particularly...more

Supreme Court Overturns EPA Limits on Power Plants

On June 29, the United States Supreme Court nixed the United States Environmental Protection Agency’s 2012 Mercury and Air Toxics Standard, limiting emissions of mercury and other pollutants from power plants. The challengers...more

Supreme Court: EPA Must Consider Cost Of Implementing Regulations

In a 5-4 ruling, the U.S. Supreme Court today ruled that the EPA acted unreasonably when it refused to consider the cost of implementing its Mercury and Air Toxics Standard (MATS). The MATS rule, issued in 2012,...more

Supreme Court Finds EPA Unreasonably Failed to Consider Costs When Regulating Power Plant Emissions

Today the U.S. Supreme Court ruled that the U.S. Environmental Protection Agency (EPA) improperly refused to consider costs when it decided to regulate mercury and other hazardous emissions. The EPA regulated power plant...more

What Comes Next for Mercury Emissions from Power Plants?

The U.S. Supreme Court held this morning that the U.S. Environmental Protection Agency (EPA) acted unreasonably when it determined in 2000, and again in 2012, that it was “appropriate and necessary” to regulate mercury...more

Supreme Court: EPA Must Consider Costs in Power Plant Rule

The U.S. Supreme Court issued its opinion in Michigan v. EPA, reversing a ruling by the U.S. Court of Appeals for the District of Columbia Circuit and holding that the U.S. Environmental Protection Agency (EPA) must consider...more

Legal Challenge to EPA’s Proposed Clean Power Plan Rejected as Premature, Final Rule Sent to OMB for Review

The proposed Clean Power Plan introduced by the U.S. Environmental Protection Agency (EPA) in June 2014 has been met with considerable opposition, including a court battle that pitted energy companies and more than twenty...more

D.C. Circuit Rejects Bid for Preliminary Review of Clean Power Plan

Today the U.S. Court of Appeals for the District of Columbia Circuit rejected a challenge to the U.S. Environmental Protection Agency’s (EPA’s) proposed Clean Power Plan, which seeks to regulate greenhouse gas emissions from...more

D.C. Circuit Rejects Preliminary Challenge to Clean Power Plan

Consistent with longstanding administrative-law precedents, the D.C. Circuit has rejected two challenges to EPA’s proposed Clean Power Plan rule as premature. The two closely-watched cases, In re Murray Energy Corporation and...more

No, Virginia, You Can’t Challenge a Rule that Hasn’t Even Been Promulgated

Easy way to tell when you’ve lost your appeal? When a pithy judge starts making fun of you in the first sentence of the opinion. In a case that was only ever going to have one outcome, the D.C. Circuit Court of Appeals...more

FERC to EPA: We Are Here to Help on CPP

On May 15, 2015, the five sitting Federal Energy Regulatory Commission (FERC) commissioners sent a joint letter to Janet G. McCabe, acting assistant administrator of the Environmental Protection Agency (EPA), regarding the...more

California Environmental Law & Policy Update - May 2015 #5

Environmental and Policy Focus: EPA and U.S. Army Corps of Engineers approve new definition of "waters of the United States" - Allen Matkins - May 27: The U.S. EPA and the U.S. Army Corps of Engineers announced on May...more

The Most Influential, Unimplemented Federal Rule in History

The Clean Power Plan, as proposed by the Environmental Protection Agency last year, would limit carbon dioxide emissions from power plants for the first time in history. The proposal, slated to go final this summer, is...more

Opponents of EPA’s Proposed Clean Power Plan Face Tough Questions From the Court

The U.S. Court of Appeals for the District of Columbia Circuit heard oral argument on the first legal challenges to EPA’s “Clean Power Plan” on April 16, 2015. The plan is a proposed rule under Section 111(d) of the Clean Air...more

Initial Challenge to Clean Power Plan Receives Rocky Reception

Several states and Murray Energy Corp. (“Murray Energy”), supported by numerous intervenors and amici, presented oral arguments today before the D.C. Circuit challenging the Environmental Protection Agency’s (EPA) proposed...more

California Environmental Law & Policy Update - March 2015 #4

Environmental and Policy Focus - EPA emissions rules face Supreme Court test: NPR - Mar 25: On April 1, the Supreme Court will hear a challenge to Obama Administration rules aimed at limiting the amount of mercury and...more

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