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December 5, 2025
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FERC Gives MISO 3 More Years on Ambient-Adjusted Ratings
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Jun 10, 2025 | Amanda Durish Cook

FERC decided it’s practical for MISO to have an almost three-year extension of the commission’s directive to implement ambient adjusted transmission line ratings.

MISOTransmission Operations
Keywordsambient-adjusted ratings (AARs)ER22-2363Federal Energy Regulatory Commission (FERC)FERC Order 881Midcontinent Independent System Operator (MISO)
Amanda Durish Cook
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