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March 27, 2025

Midcontinent Independent System Operator (MISO)

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Stakeholders Call for Further IBR Standard Revisions
Industry stakeholders called for a number of revisions to NERC's proposed inverter-based resource ride-through standards, mostly involving the exemption process for legacy inverters.
Baxtel
FERC Again Declines Changes, Refunds on Crypto-burdened MISO-SPP Flowgate
FERC again decided that neither MISO nor Montana-Dakota Utilities are entitled to recourse over a MISO-SPP flowgate in North Dakota strained by a cryptocurrency mining facility.
© RTO Insider 
MISO Fields Divergent Calls for Stronger South Planning, IRA Reversal in Tx Futures
Calls to consider a dissolved or weakened Inflation Reduction Act alongside appeals for stronger MISO South planning epitomized the tough situation and unsteady political climate MISO finds itself in as it tries to establish transmission planning expectations.
Wtshymanski, CC BY-SA 3.0, via Wikimedia Commons
FERC OKs Incentives on $1B Minn. HVDC Modernization, Debates Procedure
FERC granted rate incentives for the priciest project to come out of MISO’s 2024 Transmission Expansion Plan, setting off friction between commissioners.
LS Power
7th Circuit Lifts Injunction on Indiana ROFR, Remands LS Power’s Case
The 7th Circuit has tossed a temporary injunction against Indiana’s right of first refusal law and sent the case back to a lower court, leaving plaintiff LS Power with more work ahead of it to increase competitively bid transmission projects in MISO.
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MISO Members Grapple with 54 GW in Incomplete Gen, Predict Storage Expansion
MISO members haven’t landed on easy answers in getting the approximately 54 GW of unfinished generation that has cleared the interconnection queue online sooner.
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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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