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December 5, 2025

Midcontinent Independent System Operator (MISO)

Ameren Missouri
MISO Declines Stakeholder Ask for Pause on 2025 Queue to Clear Backlog
MISO said it will not postpone the kickoff of a study on its 2025 cycle of interconnection requests, rebuffing stakeholders’ requests for a slowdown to clear some of the queue’s four-year backlog.
MISO
MISO Floats ‘Zero Injection’ Agreements to Bring Co-located Gen Online
MISO is considering a new type of interconnection agreement for generation built on site and strictly for new large loads.
Entergy
MISO Accepts 6 GW of Mostly Gas Gen in 2nd Queue Fast Lane Class
MISO will study 6 GW of mostly natural gas-fired generation projects in the second group of entrants under its interconnection queue fast track.
PJM
Report Examines Interconnection Queue Rationing Efforts
A new report examines CAISO, MISO, PJM and SPP efforts to accelerate interconnection and concludes that while some may succeed in speeding generation additions, some sacrifice fairness, transparency and open-access principles.
Ameren Illinois
FERC Declines to Decide Possible Ameren Bypass of MISO Tx Competition
FERC dismissed Ameren’s bid to gain exclusive rights to build nearly $2 billion of MISO regional transmission projects in the state free of competitors.
Yes Energy
Parties Warn FERC that Jurisdictional Fight Could Slow Data Center Connection Effort
Many comments on the Department of Energy’s Advance Notice of Proposed Rulemaking to FERC on large load interconnections warned against going too far into jurisdictional issues.
NREL
Suggestions Offered for DOE’s ‘Speed to Power’ Initiative
Effort seeks to expedite development of the gigawatt-scale generation, transmission and grid infrastructure needed to support large-scale data centers and AI development.
Shutterstock
FERC Allows MISO to Increase Project Count in Queue Fast Lane
FERC approved MISO’s proposal to increase the number of generation projects it may study under its expedited interconnection queue lane from 10 to 15 per quarter.
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MISO to Debut Tx Warning System in 2026
MISO is to roll out a new transmission warning declaration to give its members advanced notice when scarce transmission capacity is raising the risk of load shed.
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MISO TOs Oppose Tx Cost Containment Suggestions
Multiple transmission owners have questioned the need behind a suggestion that MISO work more checks into its process for reviewing troubled transmission projects.

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