MISO Discloses $280M Error, Over-procurement in 2025/26 Capacity Auction
MISO Says Continuing Error Dates Back to 2017
A charging station in front of MISO's Carmel, Ind., headquarters | © RTO InsiderÂ
Sep 10, 2025
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MISO said a yearslong software error caused it to clear more capacity than intended in past capacity auctions and which has resulted in an approximate $280 million impact to market participants in this year’s auction.
