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February 22, 2026

Midcontinent Independent System Operator (MISO)

MISO
MISO: New Software Effective, Faster than Previous Queue Study Process
MISO concluded that Pearl Street’s SUGAR automation software is an effective alternative to the power flow simulations it used to conduct to identify network upgrades for generation projects in the queue.
MISO and PJM
MISO, PJM Forgo Typical Interregional Studies for Novel Transfer Work
MISO and PJM will not take on customary interregional planning studies this year, deciding they have enough on their plates with a new and in-progress joint transfer study.
© RTO Insider
End Users Push MISO for More Intensive Cost Overrun Evals on Tx Projects
MISO’s end-use customers called for more “insight and transparency into” the variance analysis as well as a lower, 10% threshold on cost overruns to trigger the analysis.
MISO
MISO Forming 4th Tx Planning Scenario Based on Supply Chain Barriers
MISO is on its way to installing a fourth, 20-year future to inform transmission planning in case supply chains remain unsteady.
McDermott International
DC Circuit Rejects Entergy Attempt to Save MISO Capacity Obligation Rule
An appeals court has denied Entergy’s repeat attempt to revive a 50% minimum capacity obligation rule for MISO’s load-serving entities, concluding Entergy lacked standing.
© 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.

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