EPA Proposes Changes to Biden-Era Power Plant Regulations
On Wednesday, the Environmental Protection Agency (EPA) announced plans to revise major regulations regarding power plants that were implemented during the Biden administration.
According to EPA administrator Lee Zeldin, the agency is looking to eliminate Biden’s rules, particularly those focusing on emission standards for mercury and other air toxins, which impact the operation of power plants. This move is part of a broader deregulation initiative that aligns with the goals of the Trump administration. Some energy policy experts have previously warned that the strict regulations, if fully enforced, could result in soaring electricity prices and a weakened energy grid.
“Both Obama and Biden established numerous regulations to restrict American energy production,” Zeldin remarked to reporters on Wednesday. “The good news is that those days are over. This action is merely a suggestion. If finalized, power plants will be held to lower emissions than those currently allowed or what was permissible in the past.”
The Biden administration’s regulations, described by critics as “greenhouse gas standards and guidelines” for fossil fuel-burning power plants, had been put in place to require significant carbon emission reductions. They aimed for coal-fired and new natural gas plants to cut carbon emissions by 90% over the next 15 years.
Opponents of the EPA proposal view it as an unrealistic approach trying to mirror the intentions of the now-defunct Obama administration’s “clean power plan,” which was deemed unconstitutional by the Supreme Court in 2022. In the case of West Virginia v. EPA, it was determined that the EPA had overstepped its authority to enforce the plan.
While the MATS regulations target mercury and other emissions from coal-fired power plants, Zeldin indicated that his agency aims to reform rather than completely eliminate these regulations. The Biden administration argued that maintaining such standards is essential for addressing climate change and does not jeopardize grid reliability. However, energy sector experts argue that if the proposed regulations are implemented as intended, they could pose significant reliability challenges and economic risks.
The EPA has not yet responded to requests for further comments.

