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December 5, 2025

seams

SPP, MISO Try to Bridge Joint Study Scope Differences
SPP and MISO are inching closer to agreement on a second joint transmission study on their seams, though they continue to disagree how “targeted” a targeted study should be.
MISO, PJM Unveil JOA Process for ‘Targeted’ Market Efficiency Projects
MISO and PJM are seeking to hammer out new joint operating agreement (JOA) language that would allow accelerated approval of short-term projects.
PJM Plans for Changes in Tx Flows Without Con Ed-PSEG ‘Wheel’
PJM is using a three-pronged approach to prepare for next year’s termination of the Con Ed-PSEG wheel.
SPP, MISO Narrow Joint Study’s Scope
The SPP Seams Steering Committee can expect to soon see a final scope of the next planned joint transmission study with MISO.
SPP Strategic Planning Committee Briefs
Recommendations to streamline SPP’s transmission planning process won unanimous approval from the Strategic Planning Committee and MOPC.
SPP Seams Steering Committee Briefs
MISO and the SPP Seams Steering Committee have ended months of uncertainty by agreeing to a second joint system study.
MISO, PJM Working to Comply with NIPSCO Order
MISO presented a plan to address FERC’s order (a response to a NIPSCO complaint) in an ongoing dispute over its seam with PJM.
PJM Planning Committee and TEAC Briefs
A review of stakeholder conversations and decisions at the PJM Planning Committee and Transmission Expansion Advisory Committee.
SPP Sees Hope for Joint Studies in NIPSCO Order
SPP’s Seams Steering Committee considered whether it might find some relief in a recent FERC order related to the MISO-PJM seam.
MISO Reliability Subcommittee Briefs
A summary of issues discussed by the MISO Reliability Subcommittee, including frequency response and the RTO's quarterly report on seams.

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