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 tone of Infocast’s 2025 Midcontinent Energy Summit was noticeably apprehensive compared with last year, owing to political and regulatory uncertainty, load growth ambiguity, fluctuating tariffs and a pending complaint against MISO’s long-range transmission plan.
FERC said MISO should spread the costs of keeping a Michigan coal plant running past its retirement date over the RTO’s entire Midwest region.
A new attack on regional transmission planning threatens to unravel a decade of progress toward a more reliable, affordable, and interconnected electric grid, says Ted Thomas.
Members of the Organization of MISO States are divided on whether the organization should register comments in a FERC complaint that could fundamentally change the way MISO can plan its long-view transmission.
MISO members largely agreed that MISO’s new capacity auction structure — featuring individual seasonal auctions and a sloped demand curve — is better for the health of the system.
MISO might replace up to three members on its board of directors as they reach term limits at the end of 2025.
MISO asked FERC for a month to prepare a defense of its second long-range transmission portfolio, which is being challenged by five state commissions in the footprint.
MISO stakeholders have adopted the spirit of MISO’s new code of conduct into their comprehensive rulebook while adding rules that empower committee chairs to shut down rude behavior or order attendees out of conference rooms.
Vistra has agreed to pay $38 million to wind down a long-running FERC inquiry into whether it manipulated prices in MISO’s 2015/16 capacity auction.
A new report shows the MISO footprint could ring up $27 billion in additional system costs through 2050 if it and members miss the boat on developing new gigawatts of battery storage.
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