EPA repeals limits on power plant climate pollution

Overview

Updated Yesterday

The Environmental Protection Agency finalized a rule Monday that wipes out most of the Biden administration's limits on climate pollution from coal and gas power plants. Administrator Lee Zeldin announced the move at a G20 energy ministerial in Houston, projecting $310 billion in savings.

The repeal strikes 2024 rules that required coal plants to capture 90% of their carbon emissions and forced gas plants to meet efficiency standards. EPA also proposed eliminating every remaining greenhouse gas rule for the power sector, a step that would end federal climate regulation of power plants entirely.

Former EPA officials estimate the rollback could add 5.8 billion metric tons of carbon dioxide by 2050. EPA says coal production for power generation could rise more than tenfold and that no national climate constraint would remain on the sector.

Why it matters

Coal and gas plants would face no national carbon limits, potentially adding billions of tons of CO2 and reshaping America's electricity mix.

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Key Indicators

$310B

EPA's projected savings from repeal

Agency projection of compliance and economic savings from striking the 2024 rules.

5.8B metric tons

Added CO2 by 2050 (projected)

Estimate by Zealan Hoover, former senior advisor to the EPA administrator under Biden.

10x

Expected coal production increase

EPA projects coal production for power sector use to grow more than tenfold.

$370M

Direct compliance savings from proposal

Additional projected savings if EPA finalizes rescinding all remaining power plant GHG standards.

Voices

Curated perspectives — historical figures and your fellow readers.

Ever wondered what historical figures would say about today's headlines?

People Involved

Lee Zeldin

EPA Administrator

Leading the repeal effort

Doug Burgum

Secretary of the Interior and Chairman of the National Energy Dominance Council

Backed the repeal as part of the energy dominance agenda

Chris Wright

Secretary of Energy

Supported the repeal, citing reliability needs

Zealan Hoover

Former senior advisor to the EPA administrator (Biden administration)

Critic of the repeal, projects large emissions increase

Organizations Involved

Environmental Protection Agency (EPA)

Federal Agency

Finalized repeal; proposal pending

The federal agency responsible for enforcing the Clean Air Act's pollution limits.

National Energy Dominance Council (NEDC)

Presidential Advisory Council

Supported and co-announced the repeal

A council created under Trump to coordinate federal energy policy toward increased domestic production.

Timeline

December 2009 September 2026

6 events Latest: Yesterday

Tap a bar to jump to that date

September 2026
EPA repeals 2024 rules, proposes ending all GHG standards
Latest Regulatory

EPA finalizes repeal of most 2024 Carbon Pollution Standards; proposes rescinding all remaining power plant GHG rules.
Yesterday
May 2024
Biden EPA finalizes Carbon Pollution Standards
Regulatory

Requires 90% carbon capture for existing coal plants by 2032 and efficiency standards for gas plants.
May 9th, 2024
June 2022
West Virginia v. EPA limits agency authority
Legal

Supreme Court rules EPA lacked authority for the Clean Power Plan's generation-shifting approach.
June 30th, 2022
February 2016
Supreme Court stays Clean Power Plan
Legal

Court halts the rule before it can take effect, a first for a finalized EPA regulation.
February 9th, 2016
August 2015
Obama EPA finalizes Clean Power Plan
Regulatory

Sets state-by-state carbon targets for existing power plants under Clean Air Act Section 111(d).
August 3rd, 2015
December 2009
EPA issues greenhouse gas endangerment finding
Regulatory

EPA concludes greenhouse gases endanger public health, creating federal authority to regulate emissions.
December 7th, 2009

Scenarios

EPA finalizes full rescission of power plant carbon rules

Likely Resolves by End of 2027

Discussed by: Trump administration officials and supporters of deregulation

EPA completes its rulemaking under the Clean Air Act Section 111, finalizing the proposal to end all remaining greenhouse gas standards for power plants. The agency argues that after rescinding the endangerment finding and following the Loper Bright decision, it lacks authority to regulate emissions based on climate change. Legal challenges from states and environmental groups would likely continue, but EPA's position is that no valid statute remains to oppose.

Federal court blocks repeal, restoring 2024 standards

Possible Resolves by Q2 2028

Discussed by: Environmental groups and Democratic-led states

Environmental organizations and blue-state attorneys general file suit arguing the repeal is arbitrary and capricious under the Administrative Procedure Act. They contend EPA cannot simply rescind a finding it once made without new evidence or a changed legal landscape. The D.C. Circuit could rule the 2024 rules stand, citing the Clean Air Act's plain language that greenhouse gases are air pollutants.

Courts split: repeal upheld, full rescission blocked

Possible Resolves by Q2 2028

Discussed by: Administrative law analysts following the litigation

The D.C. Circuit upholds the repeal of the 2024 rules, accepting EPA's argument that 90% carbon capture was not an adequately demonstrated technology. But the court blocks the broader proposal to end all power plant greenhouse gas regulation, finding the Clean Air Act still gives EPA some authority over emissions. The case would return to EPA to write narrower replacement standards.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

1990–2010

Acid Rain Program (1990 Clean Air Act Amendments)

Congress created a cap-and-trade program for sulfur dioxide under President George H.W. Bush, cutting acid rain emissions sharply over two decades. It operated with bipartisan support and became a model for market-based regulation.

Then

SO2 emissions fell by more than half while electricity costs remained stable.

Now

The program showed Congress can regulate power plant pollution durably when it acts through legislation rather than executive rulemaking.

Why this matters now

Carbon regulation of power plants has never had that legislative foundation, leaving it vulnerable to reversal with each change of administration — exactly what is happening now.

April 2007

Massachusetts v. EPA (2007)

The Supreme Court ruled 5-4 that carbon dioxide is an 'air pollutant' under the Clean Air Act, forcing EPA to decide whether greenhouse gases endanger public health. The decision overruled the Bush administration's refusal to regulate them.

Then

EPA issued its endangerment finding in 2009, beginning two decades of federal greenhouse gas regulation.

Now

The finding became the legal foundation for every federal climate rule, including power plant standards now being repealed.

Why this matters now

EPA's current proposal argues the 2009 finding was wrongly decided. Rescinding it removes the statutory basis for power plant rules.

August 2015 – June 2022

Obama-era Clean Power Plan (2015)

President Obama's EPA finalized the Clean Power Plan, setting state-by-state carbon reduction targets under Section 111(d). The Supreme Court stayed it in 2016; West Virginia v. EPA (2022) then struck down its core approach.

Then

The rule never operated. President Trump replaced it with the weaker Affordable Clean Energy rule in 2019.

Now

The legal fight established that EPA cannot force power plants to shift generation toward cleaner sources without clear congressional direction.

Why this matters now

The 2024 rules were drafted to survive West Virginia. Today's repeal targets them anyway, continuing two decades of regulatory oscillation between administrations.