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March 26, 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. 
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.
MJ Electric
MISO Reassigns Competitive Substation Project to ATC on Data Center Rush
MISO announced it will reassign multimillion-dollar substation work in Wisconsin to American Transmission Co. in order to meet a sped-up construction timeline for data center load.
MISO
MISO Expects Expenses to Rise Through 2030
MISO said its most recent financial estimates show operating costs continuing to creep up through 2030, making $500 million annual operating budgets the norm and forcing it to collect more from members.
Motor City Electric Utilities
MISO’s 3rd Expedited Queue: 8 GW of Gas and Batteries
MISO announced a third, 8-GW cycle of generation projects to enter its fast-tracked interconnection process, its largest cluster yet.
MISO and SPP
MISO, SPP Draft New Joint Portfolio that Could Run $3.6B
MISO and SPP put forth two potential, 500-kV joint transmission portfolios valued at either $1.3 billion or $3.6 billion to beef up their transfer capability.
Kentucky PSC
Kentucky Lawmakers: PSC Makeover Necessary to Bring Down Rates
Kentucky lawmakers are working to overhaul the Public Service Commission in what they say is an effort to combat rising utility rates, while the governor characterized it as political maneuvering.
MISO
MISO Opens 3rd Tx Project Review as Data Center Plans Conflict with Long-range Tx Timeline
MISO opened a third review of a long-range transmission project, this time because three substations are needed more than five years ahead of schedule to accommodate new data center load.
AES Indiana
BlackRock and Others to Take AES Corp. Private for $33B
A consortium led by BlackRock’s Global Infrastructure Partners and Swedish private equity firm EQT AB agreed to buy AES Corp. in a deal valued at about $33.4 billion including debt.

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