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Power Sector

EELP advises stakeholders on key regulatory design questions to support the development and implementation of effective and durable policies that enable the clean energy transition. We focus on EPA’s air, water, and waste regulations as well as FERC’s regulation of interstate electricity markets and transmission.

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  • Legal Analysis

EPA Proposes to End Greenhouse Gas Reporting

A summary of EPA’s proposal to eliminate the Greenhouse Gas Reporting Program and a look at the potential impacts to federal, state, and industry efforts.

September 30, 2025

EPA Proposes to End Greenhouse Gas Reporting
  • Regulatory Tracker

Implementation of 2015 Ozone National Ambient Air Quality Standards (NAAQS)

Under the Trump executive order Regulatory Freeze Pending Review, the Biden administration’s final rule setting deadlines for states to submit SIPs for nonattainment areas did not go into effect. On June 3, 2025, EPA announced its plans to reconsider the rule.

September 15, 2025

Implementation of 2015 Ozone National Ambient Air Quality Standards (NAAQS)
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Harvard Climate Blog: Clean Air Rules Save Lives, and are Required by Law

What are the legal risks and health consequences of the Trump administration’s proposals to eliminate two clean air regulations for power plants? A lawyer and doctor explain.

July 23, 2025

Harvard Climate Blog: Clean Air Rules Save Lives, and are Required by Law
  • Legal Analysis

EPA Proposes to Eliminate Power Sector Greenhouse Gas Emissions Regulations

We look at the inconsistent arguments within the proposal and discuss the potential legal risks if EPA were to finalize a rule consistent with the proposal.

June 23, 2025

EPA Proposes to Eliminate Power Sector Greenhouse Gas Emissions Regulations
  • EELP News
  • Legal Analysis

Trump Administration’s Proposed Repeal of the 2024 Updates to the Mercury and Air Toxics Standards (MATS)

Analysis of the proposed repeal, including impacts to public health, use of continuous monitoring systems, the mercury emission standard, and more.

June 20, 2025

Trump Administration’s Proposed Repeal of the 2024 Updates to the Mercury and Air Toxics Standards (MATS)
  • Explainer

Litigation Pursuant to Executive Order 14260

Tracking lawsuits pursuant to the executive order, Protecting American Energy From State Overreach.

May 28, 2025

Litigation Pursuant to Executive Order 14260
  • Regulatory Tracker

National Ambient Air Quality Standards (NAAQS) for Ozone

On March 12, 2025, EPA announced a reconsideration of the NAAQS.

May 1, 2025

National Ambient Air Quality Standards (NAAQS) for Ozone
  • Legal Analysis

The Trump Administration’s Aggressive Anti-Regulatory, Pro-Fossil Fuel Directives

Executive orders reflect the administration’s expansive view of executive authority.

April 23, 2025

The Trump Administration’s Aggressive Anti-Regulatory, Pro-Fossil Fuel Directives
  • Regulatory Tracker

National Ambient Air Quality Standards (NAAQS) Review

EPA sets NAAQS for six common and harmful pollutants: carbon monoxide, lead, PM, ozone, nitrogen dioxide, and sulfur dioxide.

March 12, 2025

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