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SPP and Member Utilities Successfully Achieve Western Expansion Milestone

LCG, April 2, 2026--Southwest Power Pool (SPP) today announced that the expansion of its service territory into the Western Interconnection has been a success. The milestone makes SPP the first regional transmission organization (RTO) with services spanning the Eastern and Western Interconnections. Its member organizations, which cover all or part of 17 states, can now benefit from a more operationally and geographically diverse integrated system.

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Holtec Achieves Milestone towards Restarting Palisades Nuclear Facility and Advances Plans to Build Two SMRs at Palisades Site

LCG, March 31, 2026--Holtec International yesterday announced that it successfully completed a milestone test necessary to return Holtec's Palisades Nuclear Generating Station to service. The 805-MW pressurized water reactor (PWR) is located in Michigan and was shut down by Entergy in May 2022. Holtec acquired the facility in June 2022 and has pursued a path to return the plant to service.

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Industry News

Illinois Power and ComEd Intend to Join PJM

LCG, May 29, 2002--Illinois Power and Commonwealth Edison have filed documents with the Federal Energy Regulatory Commission (FERC) notifying the agency of their intent to be part of an independent transmission company under the transmission authority of the Pennsylvania-Jersey-Maryland Interconnection.

In a statement, a representative of the parent company of ComEd, Exelon's Senior Vice President Betsy Moler, said, "It is clear that Exelon's primary wholesale energy trading partners and suppliers are in the east, and our strongest interconnections are to the east." Illinois Power, like ComEd, was a member of the Alliance regional transmission organization (RTO), whose members FERC ruled would need to file to join another RTO by May 28. The Alliance RTO included nine companies, and undertook discussions with the Midwest-ISO concerning possible integration for a for-profit transmission entity. Moler said, "ComEd negotiated with the MISO, but could not come to an agreement on rate structure and other matters."

Illinois Power and ComEd plan to join PJM through National Grid, the transmission manager for Alliance GridCo. If this is not possible, Illinois Power would join as a transmission owner. American Electric Power and Dayton Power & Light also have notified the PJM of their plans to be part of the PJM's RTO.
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