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March 16, 2025

Midcontinent Independent System Operator (MISO)

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MISO Intent on Answers as to IMM Role in Tx Planning
MISO confirmed it’s taking steps to get answers from FERC about the role the Independent Market Monitor should have — if any — in transmission planning.
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Chang Encourages MISO to Mobilize on Load Growth
FERC Commissioner Judy Chang delivered remarks on the importance of meeting ballooning load at MISO Board Week in New Orleans.
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MISO to Seek 3-Year Order 881 Delay for Vendor Holdups
MISO announced it will ask FERC for a postponement on rolling out ambient-adjusted line ratings until December 2028.
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Load Growth Drives Early MTEP 25 to $11B
MISO’s preliminary 2025 Transmission Expansion Plan is set to become another record-breaking collection, at 434 transmission projects at an estimated cost of $11 billion.
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MISO: Better Preparations Clinched Winter Storm Operations
MISO emerged from winter 2024/25 without turning to emergency procedures despite wide-ranging winter storms Jan. 6-9 and again Jan. 20-22.
Entergy Mississippi, Sargent & Lundy
MISO Says Queue Fast Track Design Settled, Ready for FERC
MISO hopes to become the next RTO with a limited express lane in its interconnection queue to help get badly needed generation online faster.
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MISO Annual Value Proposition Tops $5B for 1st Time
MISO estimates its savings and efficiencies benefited its members to the tune of just over $5 billion over 2024.
Premier of Ontario
Ontario Threatens 25% Tariff on Electricity to US
Ontario Premier Doug Ford announced the province will enact retaliatory 25% tariffs on its electricity transports to the U.S. or even halt exports if President Donald Trump doesn’t stand down in a burgeoning trade war.
Entergy
FERC Grants Palisades Extra Time to Get Online
FERC has given the Palisades Nuclear Plant special permission to exceed MISO’s 36-month limit on generator suspensions as owner Holtec International works through the plant’s reopening.
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MISO Approaching LMR/DR Accreditation Based on Availability
MISO is nearing an overhaul of its capacity accreditation methods for load-modifying resources and demand response that would be based on whether they can assist during periods of high system risk.

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