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. 
Ameren Missouri
Mo. PSC Adds Consumer Protections to Ameren Large Load Rate Plan
The Missouri PSC unanimously approved a settlement agreement on rates for Ameren’s large load customers that insulates ratepayers from most costs associated with supplying data centers’ electricity needs.
Shutterstock
FERC Allows MISO to Increase Project Count in Queue Fast Lane
FERC approved MISO’s proposal to increase the number of generation projects it may study under its expedited interconnection queue lane from 10 to 15 per quarter.
© RTO Insider LLC
MISO to Debut Tx Warning System in 2026
MISO is to roll out a new transmission warning declaration to give its members advanced notice when scarce transmission capacity is raising the risk of load shed.
© RTO Insider 
MISO TOs Oppose Tx Cost Containment Suggestions
Multiple transmission owners have questioned the need behind a suggestion that MISO work more checks into its process for reviewing troubled transmission projects.
Entergy
MISO South Regulators Ready to Strike Out on Their Own for Tx Cost Allocation
MISO South states have signaled their intent to strike out on their own on a cost allocation design for long-range transmission projects located exclusively in the South subregion.
MISO
MISO Draft Tx Planning Futures Envision 400-GW Supply or More by 2045
MISO predicts it will have anywhere from 383 GW to 454 GW of installed capacity its footprint by 2045, according to a preliminary version of its 20-year planning futures.
Invenergy
Enviros Challenge MISO, SPP Queue Express Lanes
Environmental groups are further pressing their opposition to MISO's and SPP’s fast-track studies for primarily fossil fuel projects, challenging both at the D.C. Circuit in a pair of lawsuits.
MISO
$12B MISO 2025 Tx Portfolio Close to Final Approval
A MISO board committee advanced 432 projects from transmission owners at a cost of almost $12.3 billion under the RTO’s 2025 Transmission Expansion Plan.
Alcoa
FERC Gives Go-ahead on Tougher MISO DR Testing Rules
FERC greenlit MISO’s plan to require its demand response to make real-world demand reductions to fulfill the RTO’s testing requirements.
MISO
MISO Agrees with All 4 IMM State of the Market Recs
MISO said all four recommendations in the Independent Market Monitor’s 2024 State of the Market Report are likely viable.

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