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February 1, 2026

retroactive ratemaking

PJM
D.C. Circuit Vacates FERC Order Requiring PJM to Rerun 2024/25 Capacity Auction
The D.C. Circuit Court of Appeals has vacated FERC’s decision to order PJM to rerun its 2024/25 capacity auction without a tweak to the parameters for the DPL South zone.
PJM
Following Court Ruling, FERC Reluctantly Reverses PJM Post-BRA Change
FERC partially reversed a 2023 order allowing PJM to modify a parameter for the 2024/25 Base Residual Auction to avoid a substantial increase in capacity prices in the DPL South transmission zone.
© RTO Insider LLC
3rd Circuit Rejects PJM’s Post-auction Change as Retroactive Ratemaking
The 3rd Circuit vacated FERC’s order allowing PJM to revise a capacity market parameter for the DPL South zone after the 2024/25 auction had been conducted but prior to the publication of its results, ruling that it constituted retroactive ratemaking.

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