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December 24, 2025

Midcontinent Independent System Operator (MISO)

FERC Upholds Electric Storage Order
FERC upheld its landmark electric storage order, prompting a dissent from Commissioner Bernard McNamee over its refusal to allow states to opt out.
MISO Puts Fast-track Option on Hold
MISO won't create a special lane in its interconnection queue to accelerate projects that demonstrate readiness for development.
MISO Promises Refile on Stricter Queue Requirements
MISO plans to refile a revised version of a plan to speed up its current 500-day interconnection queue process after FERC rejected its first attempt.
Abundance of Summer Capacity — Except in Texas
ERCOT’s low reserve margin sticks out when compared to those of most other regions in the U.S., where their reserves are well above their reference levels.
RTO Board Members Share Views on Oversight Role
Present and former RTO board members at the Energy Bar Association’s annual meeting quickly seized control, asking questions of each other.
MISO Tames Flows on North-South Transfer Limit
MISO says the new process to better contain flows on its North-South settlement transmission path is working as intended.
MISO to Fix Communications System Shortcomings
MISO want to improve how owners of LMRs interact with a communications system that some think hampered the RTO’s response to a grid emergency this winter.
MISO Ponders Changes After Latest PRA
MISO proposed to change the deadlines and deliverability requirements for next year’s Planning Resource Auction as it released more data from this year.
MISO Requests Storage Compliance Delay into 2021
MISO plans to have a market participation model for energy storage resources in place by 2021, having filed a request for delay of FERC’s deadline.
SPP Seams Steering Committee Briefs: May 8, 2019
SPP and MISO are reviewing a draft of their 2019 Coordinated System Plan, which will determine the need for any interregional transmission projects.

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