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April 1, 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. 
Clean Energy Groups Protest MISO Storage Model Delays
Clean energy advocates are contesting MISO’s request for another extension to comply with FERC Order 841.
FERC Approves NextEra Purchase of GridLiance
FERC conditionally approved NextEra Energy Transmission’s $660 million purchase of GridLiance transmission operations in MISO, SPP and CAISO.
MISO Spinning Reserves Get Baked-in Cost Recovery
FERC granted MISO permission to embed the production costs of providing spinning reserves in its market prices.
FERC Finds Few Errors in Co-op’s Challenge of Ameren Illinois Rates
Southwestern Electric Cooperative got a few wins in its challenges to Ameren Illinois’ annual formula rate updates.
MISO Reveals Contentious Long-range Tx Project Map
MISO unveiled a first look at possible long-range transmission projects, igniting testy exchanges between stakeholders over the necessity of grid expansion.
MISO Stuns Stakeholders with 2nd Order 841 Delay
MISO stakeholders were shocked to learn that the RTO needs another few years to allow energy storage to participate in its markets.
MISO Underscores Need for RA Action in Winter Storm Review
MISO reiterated the extraordinary nature of mid-February’s winter storm, promising more data later this month and resource adequacy solutions by year-end.
MISO Preps for Capacity Auction, Spring Peak
While it warns of more system risk in the coming years, MISO is preparing for an unremarkable spring and a routine capacity auction.
MISO Wants Single Pricing Point for DER Aggregations
Distributed energy resources will function best in MISO’s markets if aggregations are limited to a single pricing node, RTO officials said.
MISO Wraps 1 Renewable Study, Promises More Research
MISO wrapped its years-long Renewable Integration Impact Assessment, with staff pledging more targeted studies on the shift to renewables.

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