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December 25, 2025

Midcontinent Independent System Operator (MISO)

SPP
SPP Staff Outline Seams Strategy to SSC
SPP’s interregional relations staff shared with the Seams Steering Committee their strategic vision for seams efforts through 2021.
Stakeholders Press MISO for Flexibility in Outage Proposal
Until MISO files changes to implement stricter requirements for planned outage notification, stakeholders offered alternatives softening the proposal.
MISO
Trade Group Lodges Complaint over MISO Capacity Rules
The Coalition of Midwest Power Producers filed a complaint with FERC alleging MISO is improperly accounting for the deliverability of capacity resources.
ROE Changes Spark Concerns for MISO, PJM Regulators
The OMS and the OPSI urged FERC to examine whether current return on equity incentives on top of a new base ROE will result in excessive customer costs.
© RTO Insider
MISO to Address Growing Supply Shortage in New Year
MISO will spend much of 2019 working on how it can prevent the increasingly frequent emergency conditions it experienced in 2018.
© RTO Insider
MISO, SPP Tweak Interregional Criteria
MISO and SPP plan to file a slightly revised version of proposed changes to their JOA aimed at making an interregional transmission project more attainable.
MISO
FERC OKs Mich. Wind GIA, Leaves Open Funding Issue
FERC accepted a revised generator interconnection agreement (GIA) between MISO and the Crescent Wind Farm in Michigan.
MISO
MISO Probing South and SPP Seams Tx Needs
MISO asked for ideas on transmission projects to relieve congestion in MISO South and near the SPP-MISO seam as the Entergy transition nears its end.
OMS Names New Executive Director
The Organization of MISO States (OMS) announced that its board of directors has promoted Marcus Hawkins to head the organization next year.
MISO to Continue Resource Adequacy Talks in 2019
MISO discussed what resource availability and need solutions it will focus on next year, including improvements to the Planning Resource Auction.

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