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June 22, 2025

Midcontinent Independent System Operator (MISO)

La. PSC
MISO Debates What-ifs, Vows Improvements in Front of La. PSC After Load Shed
MISO leadership again promised to step up the RTO’s advance communication of tight system conditions following its four-hour load-shed directive for about 600 MW in Greater New Orleans.
© RTO Insider
NERC Responds to MISO IMM’s LTRA Criticism

NERC acknowledges it used mismatched data to calculate MISO's risk level in its Long-Term Reliability Assessment and plans to release a revised report soon.

WEC Energy Group
MISO’s Queue Fast Lane, Take 2, Nets Déjà vu Arguments

MISO’s repackaged proposal to establish a temporary fast track in its interconnection queue resulted in a familiar division among MISO stakeholders, with vertically integrated utilities in favor and clean energy organizations opposed.

© RTO Insider LLC
MISO IMM Contends he Should Have Role in Tx Planning Oversight

The MISO Independent Market Monitor insisted to FERC that MISO’s own rules allow him to assess transmission. Market monitors of other grid operators backed him up.

MISO
MISO 2025 Transmission Planning Cycle Rises to $13B
MISO’s 2025 Transmission Expansion Plan has amassed another $2 billion in investment since early spring, bringing its total to $13 billion.
© RTO Insider 
MISO Says Public Communication Needs Work After NOLA Load Shed

MISO conceded to its Board of Directors that it should have done more to convey the danger it perceived ahead of the late spring load-shedding event in Greater New Orleans.

© RTO Insider 
MISO IMM Blasts NERC Long-term Assessment, Says RTO in Good RA Spot
MISO Monitor David Patton called NERC’s Long-Term Reliability Assessment inaccurate for labeling the RTO a high-risk area.
MISO
MISO Reapplies for Generator Interconnection Fast Lane with FERC

MISO has put a second proposal for a fast-tracked interconnection queue lane in front of FERC, a mere three weeks after the commission rejected the RTO’s initial proposal.

Shutterstock
FERC Gives MISO 3 More Years on Ambient-Adjusted Ratings

FERC decided it’s practical for MISO to have an almost three-year extension of the commission’s directive to implement ambient adjusted transmission line ratings.

© RTO Insider 
PJM Board Initiates CIFP Process for Eddystone Compensation

PJM’s Board of Managers initiated a critical issue fast path process to determine how to compensate Constellation Energy for continuing to run two gas-fired units at the utility’s Eddystone plant under a DOE emergency order.


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