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April 15, 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. 
Wildlife Refuge Preps for Trial Against ATC Clear-Cut
Fellow Mortals Wildlife Hospital's dispute with American Transmission Co. (ATC) over its trees will go to trial after a judge this month denied the utility’s motion to dismiss the case.
NIPSCO Considers Closing 4 Coal Units in 7 Years
NIPSCO officials said they are considering the future of some of their coal-powered units - closing the 2-unit Bailly Generating Station, and idling 2 of 4 units at the R.M. Schahfer Generating Station.
MISO Planning Subcommittee Briefs
MISO told their Planning Subcommittee that it's working to coordinate its generator retirement studies with PJM without changing the RTOs’ Tariffs.
Michigan Asks MISO to Study Tx Links to Ontario
Michigan is asking for another assessment from MISO, this time to study grid transmission improvements across the state’s peninsulas and Canada.
Upper Peninsula Ratepayers to Seek FERC Probe of Billing Fraud
A group of Upper Peninsula electric users in MISO plans to ask FERC to investigate WEPCo. for allegedly falsifying records to increase its revenues under the Presque Isle SSR.
Panelists Envision Low-Carbon Future at MISO Symposium
MISO used its first-ever Market Symposium last week to ask industry leaders how a low-carbon future will influence the electricity market.
11 Developers Vie for MISO Duff-Coleman Project
Eleven respondents have submitted proposals for the Duff-Coleman project in MISO, the RTO’s first competitive project under FERC Order 1000.
MISO Planning Advisory Committee Briefs
MISO said it will work to improve the role of the Planning Advisory Committee in interregional matters following complaints that the committee was hearing after the fact about IPSAC decisions.
Michigan Asks: Will the Lights Stay on If Nukes Go Dark?
Concerned about the impact of nuclear plant retirements in the state, Michigan officials have asked MISO to conduct a reliability analysis that assumes simultaneous outages at the Palisades and Fermi 2 nuclear plants. 
MISO Reliability Subcommittee Briefs
The MISO Reliability Subcommittee discussed improving frequency response, pseudo-tie congestion management, and its 2016/17 winter Coordinated Seasonal Assessment.

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