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December 5, 2025

Midcontinent Independent System Operator (MISO)

© RTO Insider
MARC Confronts Public Perception, Affordability, ‘Post-DEI’ and Nuclear Options
The 2025 Mid-America Regulatory Conference tackled themes on meaningful public engagement, nuclear options, bill affordability and DEI programs falling out of favor.
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FERC Upholds MISO and SPP’s JTIQ Cost Allocation over Criticism
FERC found that MISO and SPP’s 100% cost allocation to generation for the pair’s $1.7 billion Joint Targeted Interconnection Queue transmission portfolio remains appropriate 
Shutterstock
FERC Says MISO’s Interconnection Compliance Lacking, Approves General Design
FERC told MISO it needs a few more edits to its queue rules to be compliant with the commission’s wide-ranging order to streamline generator interconnection.
Consumers Energy
Half of MISO States Oppose DOE Order on Campbell Plant, Add Rehearing Request
Half of the Organization of MISO States have challenged the Department of Energy’s directive to keep the J.H. Campbell coal plant in Michigan operating through late August.
Newkirk Electric Associates
Order to Keep Campbell Plant Running Challenged at DOE and FERC
The Michigan attorney general and a group of 10 NGOs have filed for rehearing of DOE's order to keep a coal plant running for this summer, while those parties and others debated the cost recovery filing Consumers Energy made at FERC.
MISO
MISO Declares Max Gen Emergency in Heat Wave
MISO Midwest entered emergency status during the RTO’s first serious heat wave of the summer.
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.
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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.

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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.


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