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December 5, 2025

Interregional Planning Stakeholder Advisory Committee (IPSAC)

SPP Briefs
Southwest Power Pool and MISO continue to study seven potential joint transmission projects across their seam. Next: developing the 2017 joint study.
MISO-PJM TMEP Projects Drop to Five
The MISO and PJM targeted market efficiency project portfolio has dipped from seven projects to five.
© RTO Insider - MISO Planning Advisory Committee Briefs
MISO Planning Advisory Committee Briefs
At last week's MISO Planning Advisory Committee, stakeholders predicted that the proposed changes to the interconnection queue will face challenges at FERC.
MISO Outlines Retirement Coordination with PJM
MISO and PJM will have 65 days to evaluate the impact of generator retirements under joint operating agreement language drafted to comply with FERC.
7 Sites Eyed for MISO-PJM Targeted Market Efficiency Projects
MISO and PJM have nearly completed their work on joint operating agreement and tariff language to create the new targeted market efficiency project (TMEP) type.
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.
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.
SPP Briefs
SPP set yet another wind penetration record, surpassing ERCOT, while the Seams Steering Committee agreed to a joint transmission study with MISO.
PJM, MISO to Scrap $20M Threshold for Joint Tx Projects
The threshold was identified as an obstacle to transmission projects that could ease constraints along the PJM-MISO seam.
SPP, MISO Conclude Joint Study Empty-Handed
MISO and SPP concluded their first joint study process, saying the exercise was a valuable learning experience even though it failed to produce a single interregional project.

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