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December 29, 2025

Midcontinent Independent System Operator (MISO)

ATC
ATC Restores Transmission Link Between Michigan Peninsulas
American Transmission Co. (ATC) has restored one of two underwater circuits in MISO connecting Michigan’s Upper Peninsula with the lower part of the state following a month-long outage for the damaged lines.
Stakeholders Urge MISO to Reconsider Seasonal Market
The MISO Reliability Subcommittee’s resource availability and need effort could revive a discussion on developing a capacity market divided by season.
AES
MISO Reliability Group Examines Order 841 Impacts
The extensive FERC energy storage order (Order 841) has handed the MISO Reliability Subcommittee a new set of to-dos.
AES
MISO Storage Group Begins Order 845 Consideration
MISO’s Energy Storage Task Force will now add to its to-do list storage-related aspects of the recently issued FERC Order 845.
TVA
NextEra Beats Wall Street’s Expectations
NextEra Energy beat analysts’ expectations and shattered last year’s first-quarter (Q1 2018) performance, reporting earnings Tuesday of $4.4 billion and $9.32/share, up from $1.6 billion and $3.37, respectively.
MISO: Summer Reserves Adequate, but Emergency Likely
While MISO says it’s ready for a warmer-than-normal summer, officials cautioned that operators will likely lean on demand response (DR) resources to manage loads during the season.
MISO Ops Easily Handle Quiet March
MISO easily managed what turned out to be a “near-normal” March, the RTO said Tuesday.
Invenergy
AEP: ‘Halfway There’ to Wind Catcher Approval
Buoyed by recent positive developments, American Electric Power CEO Nick Akins had several reasons Thursday to proclaim the company “in better shape than in the first quarter of last year.”
RTO CEOs Trade Quips, Thoughts on Future at GCPA
At the Gulf Coast Power Association’s annual spring conference, ERCOT CEO Bill Magness once again moderated a panel of his counterparts from around the country.
MISO Renewable Study Predicts Later Peak, Narrower LOLE Risk
Increased renewable power integration will shift the peak load in MISO to evening hours, with a spikier but shorter daily loss-of-load risk.

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