Green Groups Sue in Fed Court to Shut Down Philly-area Power Plant

The Eddystone Generating Station is a power plant owned by Constellation Energy Corporation, located in Eddystone, PA (near Philadelphia, in Delaware County). Units 3 and 4, each with 380 MW of generation capacity, can run on either natural gas or oil. The Eddystone Units were initially scheduled for retirement on May 31, 2025; however, the U.S. Department of Energy (DOE) intervened and ordered both units to remain online and active due to emergency energy conditions in the PJM grid. The original order kept both units online and active an extra 90 days, until August 28. DOE Secretary Chris Wright sent a new order to Constellation extending the operation of the two units for an additional 90 days, until November 26 (see DOE Orders Older Gas-Fired Power Plants Near Philly to Stay Online). Big Green is (a) suing in court to overturn the original order from May, and (b) challenging the second order from August with the DOE.

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