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December 5, 2025

Midcontinent Independent System Operator (MISO)

Resources for the Future
Load Growth Requires Holistic Interconnection Reform, Experts Say
Holistic reform to interconnection barriers is essential to meeting rapidly growing power demand across the country, experts said at a recent webinar.
© RTO Insider 
MISO Advisory Committee Switches Leadership After Freeman Exit
MISO’s Advisory Committee will continue to be led by its vice chair through the end of 2025 after the departure of Sarah Freeman from Indiana’s regulatory agency.
MISO
September Energy Prices Up in MISO
Year-over-year prices rose in MISO to serve a typical September peak.
© RTO Insider LLC
MISO Rationalizes Load Forecasting Pilot Program
MISO leadership shed more light on the RTO’s need for a pilot program to estimate load growth on a 20-year horizon after stakeholders asked for details.
MISO and SPP
30+ Projects Under Consideration in MISO-SPP Joint Tx Effort
MISO and SPP said they will study more than 30 project suggestions — some estimated to cost more than $1 billion apiece — in a four-state area in their pursuit of major, regionally cost-shared transmission projects.
FERC
Panelists Say More Work Needed on Large Load Risks
Panelists at FERC's Reliability Task Force praised the efforts of NERC's Large Loads Task Force while highlighting the work still needed.
© RTO Insider LLC
OMS Meeting Speakers Stress Importance of Transmission Planning
At a time when MISO’s long-term planning is under fire, the Organization of MISO States’ annual meeting featured speakers who vouched for the power of planning.
Invenergy
FERC Orders MISO to Describe Merchant HVDC Planning Considerations
FERC ruled that MISO must name a point in development and describe how it would consider merchant HVDC lines in its transmission planning.
Entergy
Stakeholders Ask MISO to Pause ’25 Queue to Get a Handle on 4-Year Backlog
Stakeholders asked MISO to consider putting a hold on processing generation project proposals entering the interconnection queue in 2025 in order to focus on the bottlenecks formed from the 2021 and 2022 queue classes.
MISO, SPP
SPP Moving Forward with JTIQ Transmission Projects
SPP plans to continue working the Joint Targeted Interconnection Queue’s portfolio of five 345-kV projects on its seam with MISO, despite the U.S. Department of Energy’s threat to pull $464 million in previously granted funds.

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