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December 5, 2025

Midcontinent Independent System Operator (MISO)

© RTO Insider
Amid Fraud, MISO Plans Stricter Testing of Demand Response
MISO said starting with the 2026/27 planning year, it will require its demand response resources to demonstrate actual demand reductions through tests to weed out imposters in the capacity market.
MISO
MISO Stakeholders Request Theoretical 2025/26 Auction Clearing Sans Sloped Curve

Stakeholders continue to ask MISO to crunch hypothetical auction clearing prices absent the RTO’s new sloped demand curve that sent prices past $660/MW-day for summer.

© RTO Insider 
MISO Gen Developers Sour on RTO’s JTIQ Cost Allocation
MISO generation developers pushed back on MISO’s cost allocation of the $1.65 billion Joint Targeted Interconnection Queue, reportedly saying MISO’s late-stage alterations have eroded the value of the seams planning.
Sargent & Lundy
FERC Rejects MISO’s Interconnection Queue Fast Lane
FERC refused MISO’s first attempt to enact a special pathway in its interconnection queue for generation projects labeled necessary by state regulators.
© RTO Insider
MISO CEO: Slim Reserves Not Necessarily Bad
MISO CEO John Bear put a positive spin on the grid operator making do with little cushion in its supply.
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MISO IMM to State Regulators: Good Intentions Behind LRTP Criticism
MISO Independent Market Monitor David Patton addressed the recent controversy surrounding his longstanding criticism of MISO’s latest, $22-billion long-range transmission portfolio at the Organization of MISO States’ Resource Adequacy Summit.
NERC
NERC Warns Summer Shortfalls Possible in Multiple Regions
NERC's Summer Reliability Assessment found that energy shortfalls are possible this summer in the middle of North America, New England and Baja California.
MISO
MISO Prepping for Likely 123-GW Summer 2025 Peak
MISO cautioned it’s likely in for heat waves and drought this summer with a slight chance it navigates a 130-GW peak in July.
© RTO Insider
MISO’s AC Rekindles Talk on Gas-Electric Coordination Frustrations
After a hiatus on gas-electric coordination discussions, MISO’s Advisory Committee touched on lingering frustrations in 2025 and potential solutions.
SMS Group
Stakeholders Ask FERC to Soften MISO’s Proposed DR Accreditation
Stakeholders asked FERC to force MISO to cut or dilute some of the harsher requirements of its proposed demand response participation and accreditation package.

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