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December 28, 2025

Midcontinent Independent System Operator (MISO)

MISO, PJM Downplay M2M Error Impacts
MISO and PJM challenged the contention by MISO’s Independent Market Monitor that PJM’s two long-term market-to-market (M2M) errors have cost MISO millions.
© RTO Insider
SPP Briefs: Week Ending June 8, 2018
SPP said it is accepting applications for industry experts to serve on a fourth independent panel to review Order 1000 transmission proposals in 2019.
© RTO Insider
Overheard at MARC: Renewables, Rates, Seams and Pilots
Interregional transmission planning challenges and the growth of renewable energy, particularly wind power were among the topics of discussion at the 2018 Mid-America Regulatory Conference.
MISO Stakeholders to Rank Market Improvement Ideas
Over the next month, MISO stakeholders will rank 14 market improvements the RTO might undertake in 2019. Six of the issues (such as energy storage) are already under discussion.
FERC Rejects Stay of Presque Isle SSR Surcharges
FERC rejected a Michigan request for a stay of a previous order approving MISO’s refund report related to a system support resource (SSR).
MISO
OMS-MISO Survey Reveals Dimmer View of Future Supply
MISO’s supply picture for the next five years is less rosy than it was a year ago, according to the RTO's annual survey with the Organization of MISO States (OMS).
MISO
FERC Seeks Info on MISO South Capacity Plan, SPP Tx Limit
FERC is seeking more specifics on MISO’s plan for reserve procurement enhancement in MISO South.
MISO
MISO Offers Straw Storage Proposal to Meet Order 841
Energy storage resources 100 kW or larger would be eligible to offer capacity, energy and ancillary services under a straw proposal MISO officials presented.
© RTO Insider
MISO Makes Second Attempt at Pseudo-tie Contract
MISO plans to file a reworked version of its pro forma pseudo-tie agreement this month after FERC rejected a previous proposal earlier this year.
MISO Mulls Additional Emergency Communication
MISO is asking stakeholders if they would like the RTO to provide generators an additional emergency notification declaring a maximum generation alert.

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