January 9, 2025

Midcontinent Independent System Operator (MISO)

© RTO Insider LLC 
MISO Pauses Long-range Tx Planning in 2025 to go Back to the Futures
MISO will take a breather from its long-range transmission planning over 2025 to retool the 20-year future scenarios that are the foundation of the transmission portfolios.
MISO
MISO Says Comfortable Wintertime Margins Likely in Store
MISO doesn’t foresee a scenario where it comes close to risky operations in the upcoming winter.
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MISO to Devise Express Lane in Queue for Generation Projects that Keep Lights On
MISO said it will design an expedited resource adequacy study process so generation projects in the interconnection queue that are needed for capacity sufficiency will get grid treatment sooner.
© RTO Insider LLC 
MISO to Install Former SoCal Utility Executive on Board of Directors
Former Southern California Edison Senior Vice President Erik Takayesu is joining MISO’s Board of Directors.
ITC
$21.8B Long-range Tx Plan Goes to Membership Vote; MISO Resolute, IMM Protesting
MISO members are mulling an advisory vote on whether to support the RTO’s $21.8 billion long-range transmission plan portfolio while tensions simmer over the necessity of the expansion.
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MISO Moves to Strike Emergency Demand Response
MISO is poised to eliminate its emergency demand response participation option, framing it as a clunky and scarcely used source of emergency assistance.
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MISO Sets Surplus Reserve Margin Requirement for LSEs Opting Out of Capacity Auction
Load-serving entities that decide against participating in MISO’s capacity auction must secure anywhere from 1.5% to 4.2% beyond their reserve margin requirements in the 2025/26 planning year.
© RTO Insider LLC 
MISO in Agreement with IMM’s State of the Market Recommendations, Work Begins on 1
MISO this year said it generally agrees with the six new market recommendations brought forward in its Independent Market Monitor’s annual State of the Market report and is actively working on one of them.
Shutterstock
MISO Prelim Regional Resource Assessment Calls for 343 GW by 2043
MISO members will likely have to add 343 GW of installed capacity by 2043 to meet policy goals while maintaining resource adequacy, the RTO said in preliminary results from its annual Regional Resource Assessment.
Manitowoc Public Utilities
MISO: Wisconsin Coal Plant to Stay Online as SSR Unless Stakeholders Offer Solutions
MISO said unless stakeholders can come up with an alternative it hasn’t explored, it will have to renew its sole system support resource — Manitowoc Public Utilities’ Lakefront 9 coal unit — for another year.

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