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December 6, 2025

seams

SPP Members Weigh First Year of Integrated Marketplace
SPP officials and market participants last week celebrated the first year of its Integrated Marketplace, boasting of its on-time, under-budget delivery.
‘Quick Hit’ List at PJM-MISO Seam Narrowed to 4 Projects from 39
MISO and PJM said last week they will pursue four “quick hit” flowgate projects that show promise in relieving market-to-market congestion.
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FERC Considering NIPSCO Proposals on PJM-MISO Seam
FERC has asked for comments on the pros and cons of six potential rule changes, proposed by NIPSCO, intended to push PJM and MISO to create cross-border transmission projects.
MISO, PJM Ponder List of ‘Quick Hit’ Upgrades
MISO and PJM have identified what lower-voltage flowgate projects could be done quickly and cheaply on their own sides of the seam.
FERC Rejects Order 1000 Waiver on SPP-SERTP Seam
FERC said last week that SPP must engage in interregional coordination and cost allocation with SERTP, rejecting the RTO’s request for a limited waiver of Order 1000 requirements.
Developers Lament Lack of Tx Competition, Interregional Projects under Order 1000
FERC needs to do more work to ensure Order 1000 opens transmission development to competition and results in interregional projects, developers said at Infocast’s 18th annual Transmission Summit last week.
Year 1 Judged a Success for MISO South; Gains Limited by SPP Dispute
MISO officials last week called Year One of MISO South a success but acknowledged room for improvement in crisis communications and unfulfilled potential.
Impatient FERC Hints at Action on PJM-MISO Seams Disputes
FERC increased its pressure on PJM and MISO to resolve their longstanding boundary disputes, saying it was considering taking action “to improve the efficiency of operations” at the RTOs’ seam.
CRUTHIRDS AT LARGE: Challenges Changes in Energy on the Bayou
David Cruthirds brings this report from the Gulf Coast Power Association’s Feb. 5 special briefing: “Challenges & Changes in Energy on the Bayou.” Among the topics discussed were Entergy’s growth plans, Year 1 in MISO South and the RTO’s ongoing seams battles.
FERC Looks Again at Export Pricing for MISO MVPs
FERC will revisit its decision to prohibit MISO from assessing export charges to PJM for multi-value projects that benefit PJM customers.

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