MISO
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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.
The Union of Concerned Scientists said MISO’s most devastating power outages in the last decade can be attributed to an increasingly unstable climate and compounding weather events.
MISO selected a 50/50 joint venture between Transource and Berkshire Hathaway Energy Transmission to build a $1.2 billion, 765-kV project from the RTO’s second long-range transmission portfolio.
Illinois became the 13th state to adopt a procurement target for storage after Gov. JB Pritzker signed a new bill aimed at shoring up reliability and affordability.
Just days into 2026, MISO already has approved or recommended dozens of expedited transmission projects for the 2026 cycle, including a substation project in Indiana that spawned several hundred million dollars in corrective action upgrades.
MISO announced it will partner with Microsoft’s AI technologies to operate its markets and plan its system.
MISO is re-examining its longstanding policy that forbids stakeholders from recording meetings and is considering the possibility of some form of AI notetaking or transcription.
MISO has indicated that new generation to serve data centers and other large loads will be mission critical over 2026 and said it will take pains to interconnect units.
The Michigan Public Service Commission approved a special contract that will allow DTE Energy to continue its plans to supply a hotly contested, $7 billion data center with nearly 1.4 GW.
MISO officials clarified the J.H. Campbell coal plant — kept online and in retirement limbo by the Department of Energy’s series of emergency orders — is not eligible for the RTO’s capacity market and is not receiving special treatment for dispatch.
A trade group representing multiple MISO power producers has lodged a complaint against retroactive pricing revisions in MISO’s 2025/26 capacity auction, joining Pelican Power in calling the repricing unlawful.
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