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December 26, 2025

Midcontinent Independent System Operator (MISO)

SPP, MISO
MISO, SPP Mulling Small Interregional Project Type
MISO and SPP could jointly create a smaller category of interregional transmission projects as early as next year to address costly congestion.
DTE Energy
MISO to Evaluate Alternatives to Michigan SSR
MISO is seeking proposals for a solution to offset reliability issues caused by the planned suspension of a DTE Energy coal-fired plant.
MISO Stakeholders Rally to Save Interconnection Group
MISO’s Planning Advisory Committee will vote through Oct. 26 on whether to move most of the RTO’s $3.3 billion 2018 Transmission Expansion Plan forward.
MISO
MISO PAC Puts MTEP 18 to Vote, Removes 3 Projects
MISO’s Planning Advisory Committee will vote through Oct. 26 on whether to move most of the RTO’s $3.3 billion 2018 Transmission Expansion Plan forward.
FERC Upholds Michigan Dam Closure over Safety Fears
FERC said that it will not delay its decision to shut down Michigan's Edenville Dam hydropower dam over safety violations.
ITC
FERC Reduces ITC Adders over Independence Issues
FERC reduced the return on equity adders previously granted to ITC Holdings subsidiaries for being independent, standalone transmission providers.
Google
MISO to Turn out Lights on Louisiana Office
MISO will shut down its regional planning office in Metairie, Louisiana, by the end of next year.
© RTO Insider
MISO Moving to Head off Inverter-based Instability
MISO is considering requiring inverter-based generation seeking to enter the interconnection queue to provide a specific set of calculations.
© RTO Insider
MISO Interconnection Proposals Meet Mixed FERC Rulings
FERC rejected a proposed MISO maintenance fee, but it approved a new process for interconnecting external merchant HVDC transmission.
MISO Presents Load Forecasting Compromise
MISO proposed bringing the three major players in its load forecasting together to coordinate on predictions for long-term transmission planning.

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