Environmental groups Sierra Club and Earthjustice challenged the Department of Energy's use of emergency powers to extend coal plant operations before the D.C. Circuit Court of Appeals. The DOE invoked Section 202(c) of the Federal Power Act in May 2025, declaring an "energy emergency" to justify keeping aging coal facilities online beyond their scheduled retirement dates.
The groups argue the DOE misapplied the statute, which permits temporary extensions only when electricity supply genuinely cannot meet demand through other means. Sierra Club and Earthjustice contend the department failed to exhaust alternatives, including accelerated renewable deployment, grid modernization, and demand management. They presented evidence that natural gas, wind, and solar capacity could replace coal generation without service disruptions.
The legal challenge centers on statutory interpretation. Section 202(c) requires the energy secretary to demonstrate that no other resources exist before extending coal plant lifespans. The environmental groups presented testimony showing renewable energy deployment timelines could have satisfied capacity needs within the relevant period, making the emergency declaration legally unsupported.
This case carries direct implications for coal retirement schedules across the United States. Dozens of plants face closure in coming years as utilities transition to lower-cost renewables and face pressure from state climate policies. If the court upholds the DOE's emergency authority, precedent could expand government power to reverse planned retirements during periods of grid stress, potentially locking in decades of additional coal emissions.
The D.C. Circuit will decide whether the DOE complied with statutory requirements and whether it adequately considered alternatives before invoking emergency authority. A ruling against the department could invalidate the coal extensions and establish stricter standards for future invocations of Section 202(c). The court's timeline for decision remains unscheduled.