EPA rejected an industry petition to exempt stationary combustion turbines from hazardous air pollutant regulations.

After more than two years, Ameren Missouri has not yet delivered suitable redress for more than a decade’s worth of Clean Air Act violations via its Rush Island coal plant.

SPP’s effort to impose capacity accreditation methodologies for thermal and renewable resources has drawn protests from public-interest and clean-energy groups at FERC.

The D.C. Circuit ruled in favor of FERC granting previously approved natural gas projects’ requests for an extension of their deadlines to bring the facilities online.

PJM is rejecting a study suggesting it could avoid extending the life of the Brandon Shores generator by installing storage and reconductoring several lines.

More than 40 Montana organizations petitioned the state’s Public Service Commission to consider climate impacts when issuing utility rulemakings.

The D.C. Circuit heard oral arguments on FERC’s approval of the Commonwealth LNG facility in Cameron, La.

The change of heart comes as participants in the West-Wide Governance Pathways Initiative work to build the framework for an independent RTO.

FERC put the Tennessee Valley Authority one step closer to replacing its Cumberland coal plant with a new natural gas plant when it permitted a new pipeline.