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December 6, 2025

Midcontinent Independent System Operator (MISO)

© RTO Insider LLC
MISO: DR to Face More Stringent Testing by 2026 Capacity Auction
MISO said its next capacity auction in spring 2026 will feature more rigorous testing for its demand response that registers to provide capacity.
Potomac Economics
IMM Praises MISO for Fewer Out-of-market Actions
After years of its Independent Market Monitor critiquing MISO for making too many out-of-market actions to tame congestion, the IMM congratulated the RTO for dramatically reducing such actions.
The Brattle Group
ACP Road Map Suggests Market Changes to Increase Storage Participation
ACP released a report produced by The Brattle Group laying out how organized markets can replicate the success CAISO and ERCOT have had in deploying energy storage resources.
Entergy Texas
MISO Fast Lane Proposal Disadvantages IPPs, Retail Choice States, Critics Tell FERC
MISO’s proposal to use a temporary “fast lane” in its interconnection queue to speed up necessary resource additions would give utility-owned generation preferential treatment, according to protesters’ comments filed with FERC.
© RTO Insider
MISO Discards Interim Participation Option from Order 2222 Plan
MISO announced it will scrap its plan to use an existing DR participation category to get aggregators of DERs participating on a limited basis a few years ahead of a full Order 2222 rollout in 2030.
Entergy Arkansas
FERC Approves Increase in MISO Value of Lost Load to $10K
FERC gave MISO the go-ahead to set its value of lost load at $10,000/MWh by early fall, nearly three times as high as the current $3,500/MWh value.
© RTO Insider
EPSA Conference Tackles Markets in a Time of Rapid Demand Growth
Attendees at the Electric Power Supply Association’s Competitive Power Summit discussed how markets are responding to rapid demand growth.
MISO, SPP
MISO, SPP Solicit Feedback on Joint Transmission Studies
MISO and SPP staff asked for input on a joint system study in 2025 during their annual transmission issues evaluation with their Interregional Planning Stakeholder Advisory Committee, which was only too happy to comply.
Southern Co.
Brattle Report Stresses Need for Southeast Regional Tx Plan
A new Brattle report puts a spotlight on the Southeast as the only major U.S. region without thorough transmission planning and recommends it develop a portfolio of projects or risk failing to keep up with the times.
MISO
MISO Feb. Real-time Prices Nearly Double from 2024
MISO’s real-time energy prices in February 2025 nearly doubled from a year earlier as the footprint saw higher load and gas prices.

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