Search
April 13, 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 Changes MTEP Futures Weighting for South
The futures assumptions for the MISO 2017 Transmission Expansion Plan (MTEP) are finalized, with the RTO granting its South region a different future weighting.
FERC Staff OKs MISO Mitigation Changes; Refunds Possible
With a nod from FERC, MISO will apply a more stringent physical withholding rule and remove demand response and energy efficiency from market monitoring in next month’s capacity auction.
SPP Briefs
The odds of SPP and MISO conducting a second joint study dropped as the RTOs’ reviews are not lining up. Plus the Z2 Task Force is narrowing alternatives.
MISO to Fix Recently Discovered Tariff Mistake
MISO will file with FERC to correct a recently uncovered eight-year-old Tariff mistake related to the RTO’s day-ahead margin assurance payment.
MISO Market Subcommittee Briefs
The MISO Market Subcommittee met on March 9th and discussed improving emergency pricing and cost recovery for manual redispatch.
MISO Contemplates Market Design Changes from FERC Offer Cap Rule
MISO is considering how to alter its market rules to comply with a FERC order that “softens” the current energy offer cap.
MISO Resource Adequacy Subcommittee Briefs
Load forecast data for the MISO 2017/18 PRA shows that all local resource zones have enough capacity to meet their clearing requirements.
Differences Persist over OMS-MISO Survey Improvements
MISO will roll some capacity sitting in the definitive planning phase of its interconnection queue into the annual OMS-MISO resource adequacy survey.
Supreme Court Refuses to Hear ROFR Challenge
The Supreme Court said it would not hear a challenge to FERC Order 1000, which ended the federal right of first refusal in transmission construction.
MISO, PJM Propose Solution to Pseudo-Tie Congestion Problem
MISO and PJM staff proposed a solution to the double counting of congestion for pseudo-tied resources, a fix that could apply to those between MISO and SPP.

Want more? Advanced Search