FirstEnergy Service Co. v. FERC No. 12-1461 PJM allocation to new member (ATSI) a share of the costs of high voltage regional transmission expansion projects that were planned prior to the new member’s integration into PJM. American Transmission Systems, Inc.; FirstEnergy Serv. Co. v. PJM Interconnection, L.L.C., 129 FERC ¶ 61,249 (2009), order on reh’g, 130 FERC ¶ 61,171 (2010), order on reh’g, 140 FERC ¶ 61,226 (2012). Circuit D.C. Cir.
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