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April 4, 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. 
Group Says Renewables Could Save MISO, PJM Billions
Consumers in MISO and PJM could save $7 billion a year if the RTOs adopt changes to further integrate renewables and storage, according to a new report.
Renewable Proponents Outline MISO Planning Wish List
Clean energy advocates are asking MISO to make changes to its transmission planning to ensure the region can continue a shift toward renewable resources.
MISO Cracks Door on Long-term Tx Planning
MISO officials signaled their willingness to entertain a request by state regulators to develop another long-term transmission package.
Entergy Control Center Ownership Changes OK’d
FERC approved Entergy's request to transfer ownership interests in two transmission control centers from Entergy Services to operating companies.
Key Details Change in MISO MEP Cost Allocation Plan
MISO is circulating a cost allocation plan that would lower voltage thresholds but raise cost minimums on economically beneficial transmission projects.
More MISO Members Join Call for Tx Planning Change
A growing number of stakeholders are prodding MISO to create a task team to improve transmission planning assumptions.
MISO Zeroes in on Queue Overhaul Filing
MISO will take another crack at getting FERC approval for Tariff revisions intended to thin out and speed up its generator interconnection queue.
Despite Pushback, MISO Pursuing TO-only SATA
MISO plans to file its first storage-as-transmission asset ruleset, despite complaints from members the proposed provisions limit resource ownership to TOs.
OMS: 4.5 GW of Unregistered DERs in MISO
MISO is home to more than 4.5 GW of unregistered distributed energy resources, much of it for nonresidential use, the Organization of MISO States estimates.
Entergy Scoops up Miss. Plant to Meet Zone 10 Demand
Entergy Mississippi gained FERC approval to purchase the 810-MW Choctaw Generating Station for $314 million from NRG Wholesale Generation.

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