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December 5, 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. 
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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.

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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.
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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.
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.
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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.
KFYR-TV
MISO Petitions 8th Circuit in Dispute with SPP over Data Center-strained Flowgate

MISO is seeking judicial review of two FERC decisions preventing the RTO from recouping costs or revising a joint procedure with SPP over a shared North Dakota transmission line that has become congested by a new cryptocurrency mining facility.

© RTO Insider 
State Regulators Weigh Drafting Alternative to MISO Tx Cost Allocation
Regulators of MISO states are mulling whether they should work together to offer up an entirely new cost allocation for the RTO’s long-range transmission projects.

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