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December 27, 2025

Midcontinent Independent System Operator (MISO)

MISO to Tweak Queue Rules on Site Control, Project Fees
MISO is once again poised to file generator interconnection process changes to help manage the record volumes in its queue.
© RTO Insider
MISO, SPP Joint Modeling Move Meets Skepticism
Stakeholders remain skeptical of a MISO-SPP plan to eliminate the joint model in favor of using their respective regional models for interregional projects.
© RTO Insider
MISO Grants Storage Task Force More Authority
The MISO Steering Committee approved an expanded role for the Energy Storage Task Force, provided it doesn’t impede discussions in other stakeholder forums.
Entergy
FERC Greenlights MISO South Capacity Plan
FERC approved MISO’s plan to improve its procurement of reserves in MISO South.
Study: No 2018 MISO South Economic Project
MISO will not move forward with an economic project in MISO South this year, based on results from the RTO’s market congestion planning study.
MISO Outlines Energy Storage Make-whole, Performance Rules
In a special conference call, MISO officials went over how the RTO would treat energy storage resources in its markets in compliance with FERC Order 841.
MISO Adds Study to 2nd External Zone Filing
MISO is planning a study to ensure external resources bordering more than one of its local resource zones participates in only one zone.
MISO Running 5-Minute Settlements on New Platform
MISO’s replacement of its market platform is complete, with the RTO now settling at five-minute intervals.
MISO Mulls Rules for Storage as Transmission
MISO is probing what eligibility requirements it should establish before allowing energy storage resources to function as transmission assets.
MISO Planning Subcommittee Briefs: Aug. 14, 2018
MISO is planning to file with FERC in October a proposal to create two new benefit metrics to appraise new market efficiency transmission projects.

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