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April 6, 2026

MISO

The Midcontinent Independent System Operator is a regional transmission organization that plans transmission projects, administers wholesale markets for its membership and manages the flow of electricity in Arkansas, Illinois, Indiana, Iowa, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, Missouri, Montana, North Dakota, South Dakota, Texas and Wisconsin. 
© RTO Insider
Regulators Past and Present Ask MISO for Public Findings on IMM Link to LRTP Complaint
A sitting state commissioner and two former regulators have asked MISO to publicly share any information it might gather on its Independent Market Monitor’s possible involvement in a five-state complaint against the RTO’s long-range transmission planning.
Meta
Entergy Louisiana Says 7 More Gas Plants Necessary for Meta Data Center
Entergy announced a massive addition to Meta's Hyperion AI data center project in northeastern Louisiana and plans to add seven additional natural gas plants to deliver more than 5 GW to power the site.
© RTO Insider
Competition, Industrial Groups Contest MISO Plan for Long-range Tx Stretching into PJM
The Electricity Transmission Competition Coalition and the Industrial Energy Consumers of America have mounted a challenge to MISO’s proposed method for building portions of long-range transmission projects that cross into PJM.
Related Digital
Mich. PSC Won’t Reopen DTE’s Stargate Data Center Supply Deal over AG’s Concerns
The Michigan Public Service Commission unanimously rejected requests from Attorney General Dana Nessel to reassess DTE Energy’s arrangement to provide 1.4 GW to Oracle and OpenAI’s Stargate data center plans south of Ann Arbor.
Midwestern Regional Climate Center and MISO
MISO Details Pricing Issues, Slow Market Solves During Winter Max Gen Emergency
MISO’s maximum generation emergency event during a harsh winter featured under-forecast demand, issues with pricing software and day-ahead models so bogged down by complexity that they took longer to solve.
© RTO Insider
New Group Questions IMM Findings that $22B MISO Spend Uneconomic
The MISO independent market monitor is just that — independent, writes Bill Malcolm. "He should not be shown the door but should be allowed to continue to do his job and also to talk to state regulators who seek his advice."
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LaCerte to MISO: ‘Be Bold’ to Return to ‘Boring’
FERC Commissioner David LaCerte encouraged MISO players to bring their boldest ideas forward that could help return the electric industry to a more humdrum reliability baseline.
MISO
MISO: NERC to Dial Down RTO’s Risk Level; Members Create Large Load Working Group
In a case of déjà vu, MISO announced that NERC is poised to issue a follow-up to its Long-Term Reliability Assessment that stands to lower the RTO’s reliability vulnerability from “high risk” to “elevated.”
© RTO Insider
Group Raises Questions over MISO IMM Involvement in $22B Tx Plan Complaint
A new group formed to represent electric ratepayer interests has raised questions about interactions between MISO’s Independent Market Monitor and the state regulatory agencies seeking to overturn the RTO’s $22 billion long-range transmission portfolio through a FERC complaint.
NIPSCO
NIPSCO, CenterPoint Get FERC OK to Use 11-State Cost Allocation for Retirement-delayed Coal Plants
FERC granted a MISO Midwest-wide cost allocation for Northern Indiana Public Service Co.’s and CenterPoint Energy’s coal plants kept online by order of the U.S. Department of Energy.

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