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December 16, 2025

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. 
NextEra Energy
Groups Seek Hybrid Exemption from MISO Ban on Renewables Supplying Ramping
Clean energy groups in MISO have told FERC it should rethink its support of a ban on renewable energy in MISO’s ancillary service market because the commission didn’t consider hybrid resources.
MISO
MISO 2024 CONE Values Jump on Inflation
MISO has calculated significant increases in its annual cost of new entry for use in its capacity auction in the 2024/25 planning year.
MISO
MISO PAC Considers Lower, $9B MTEP 23 Transmission Package
The revised MTEP 23 plan dropped from $9.4 billion to $8.96 billion with the deferral of phase 3 of Entergy Louisiana’s Amite South reliability project.
Ameren Missouri
MISO May Use Inaugural Near-term Congestion Study to Plan Smaller Tx Upgrades
MISO’s exploratory study on alleviating near-term transmission congestion has led the RTO to consider adding near-term economic benefits to its existing long-term economic planning.
MISO
MISO Demand Up, Prices Down During Bumpy August
MISO's August demand rose compared to a year ago, while prices dropped by nearly two-thirds.
OMS
Annual OMS DER Survey Records 1-GW Rise in MISO Residential Capacity
The Organization of MISO States’ sixth annual survey on amounts of distributed energy resources in MISO tracked a nearly 1 GW rise in residential DERs year over year.
EDP Renewables
MISO Somewhat Open to COD Allowances in Interconnection Queue Rules
MISO signaled it's somewhat receptive to stakeholder ideas on loosening its commercial operation date deadlines in its generation interconnection queue.
© RTO Insider LLC
FERC OKs MISO Removal of Annual Reviews for Long-term Tx Projects
MISO is off the hook as far as having to conduct annual cost-benefit analyses for its major transmission projects, FERC has ruled.
© RTO Insider LLC
MISO Charting Course on Stimulating Generating Attributes
MISO says it continues research to gauge the quantity of generating attributes it might prescribe for its fleet.
Soltage
MISO Relaxes Proposal on Stricter Queue Ruleset
MISO has compromised with stakeholders on a few details in its proposal to downsize the number of projects allowed in its generator interconnection queue.

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