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April 8, 2026

MISO

The Midcontinent Independent System Operator is a regional transmission organization that plans transmission projects, administers wholesale markets for its membership and manages the flow of electricity in Arkansas, Illinois, Indiana, Iowa, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, Missouri, Montana, North Dakota, South Dakota, Texas and Wisconsin. 
MISO Details ‘Uncertainty’ Behind Winter Max Gen Event
MISO managed its eighth maximum generation event in six years last month despite the difficulty of pulling together the forecast leading up to the episode.
Stakeholders Seek Slowdown on MISO RAN Project
Stakeholders are urging MISO to slow downits disjointed resource availability and need effort until it can measure the effects of 3 related FERC filings.
MISO Preliminary PRA Data up Slightly from Early Prediction
MISO’s recent resource adequacy filings with FERC will affect the timeline of an otherwise unremarkable capacity auction in terms of load forecasts.
FERC Declines to Re-examine White Pine SSR Refunds
FERC denied the Michigan PSC request to reconsider a decision over refunds associated with a SSR agreement between MISO and the White Pine plant.
MISO, SPP Pushing for Annual Joint Studies
MISO and SPP told stakeholders that there is “more support than not” for the RTOs to conduct a joint study of interregional transmission projects in 2019.
MISO Files New Planned Outage Rules
MISO filed new requirements on outage coordination despite the fact that some stakeholders still aren’t entirely sold on the plan.
MISO Maintains Reliability Through Arctic Midwest Temps
Record-breaking cold brought multiple appeals for conservation from utilities in the northern portions of MISO's footprint.
Cold Snap Halts DER Talk as MISO Calls Max Gen Event
A dangerous cold snap spurred a maximum generation event and knocked out power to MISO’s Carmel, Ind., offices on Wednesday.
MISO Moving Quickly on Initial SATA Rules
MISO and stakeholders are hoping to complete policies allowing storage to qualify as transmission for the RTO’s 2019 Transmission Expansion Plan.
MISO Plans for New Uninstructed Deviation Rules
MISO will this March begin testing new rules to deal with generators’ uninstructed deviations from dispatch orders, stakeholders learned.

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