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December 15, 2025

MISO

The Midcontinent Independent System Operator is a regional transmission organization that plans transmission projects, administers wholesale markets for its membership and manages the flow of electricity in Arkansas, Illinois, Indiana, Iowa, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, Missouri, Montana, North Dakota, South Dakota, Texas and Wisconsin. 
MISO
MISO Mulling New Way to Convey Spate of Advisories in South
MISO is contemplating a better way to communicate generation shortfalls in its Southern load pockets than continuing to send out repeat capacity advisories. 
© RTO Insider 
MISO Says JTIQ Tx Portfolio Stands — for Now
The $1.6 billion Joint Targeted Interconnection Queue transmission portfolio of SPP and MISO remains in play even though the Department of Energy has reneged on almost a half billion dollars in funding.
QTS
MISO Debuting Pilot for Better Long-term Load Forecasting
MISO is taking load updates and stakeholder suggestions as part of a pilot program to improve its long-term load forecasting.
MidAmerican Energy
MISO Moves to Increase Quarterly Project Count in Queue Express Lane
MISO wants to increase the number of generation projects it may study under its interconnection queue express lane from 10 to 15 per quarter.
Entergy Louisiana
1st Go at MISO South Long-range Tx Planning to Take 3 Years
MISO said its first crack at long-range transmission planning in the South region likely would take about three years to culminate in potential project recommendations.
The Boldt Co.
Minnesota PUC Approves BlackRock’s Purchase of Allete
The Minnesota Public Utilities Commission approved the $6.2 billion sale of Allete to BlackRock’s Global Infrastructure Partners and the Canada Pension Plan Investment Board.
© RTO Insider 
MISO IMM Recommends Changes to Handling of Midwest-South Tx Constraint

MISO’s Independent Market Monitor has called for the RTO to change how it manages its Midwest-South transfer limit in ways he contends will open line capacity and reduce costs for Midwest market participants.

MISO
MISO Eschews Latest Data to Limit CONE Increase for 2026
Inflation and higher borrowing costs pushed MISO’s cost of new entry up by about 5% heading into the 2026/27 planning year, but stakeholders are questioning MISO’s use of 2020 data in calculations in order to keep prices lower.
Entergy
Stakeholders Demand Answers on Repeat MISO South Capacity Advisories
Stakeholders told MISO they need a better explanation of the every-other-day capacity advisories issued for MISO South, which have become customary since the beginning of summer.
Clean Energy Buyers Association
CEBA Study Shows How Corporate Offtake Helps Clean Energy Get Built
CEBA put out a study quantifying how its members' offtake agreements with clean energy have helped grow the sector, which will be a major factor going forward regardless of federal policy changes.

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