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December 8, 2025

Transmission Planning

© RTO Insider LLC
MISO Draws in Experts for Probabilistic Planning Symposium
MISO further embraced the industry’s move to chance-based transmission planning by hosting a Probabilistic Planning Symposium at its headquarters.
FERC
FERC Order 1920-A Wins Approval with Accommodations to States
FERC approved Order 1920-A, addressing rehearing arguments from the previous order by granting states more guarantees that their views on cost allocation would be considered, among other changes.
Entergy
MISO Outlines Plan on Fast-track Queue for Resource Adequacy
MISO hopes to file a proposal in February to create an exclusive, faster route through its interconnection queue for generation projects that are key to maintaining resource adequacy.
Shutterstock
AEU Report Shows Major Economic Benefits from Quicker Queues
Advanced Energy United released a report finding major economic benefits from speeding up the queues, which will lead to more investments in generation and associated jobs across the country.
ISO-NE
ISO-NE Details Regional Energy Shortfall Threshold Metrics
ISO-NE’s regional energy shortfall threshold will rely on a pair of metrics intended to capture the intensity and duration of energy shortfall risks in extreme weather scenarios, the RTO told the NEPOOL Reliability Committee.
Shutterstock
Stakeholders Push for More Interconnection Rule Changes at FERC
Stakeholders are split on whether FERC should adopt additional changes to its generator interconnection rules, or focus on implementing Order 2023 while letting specific regions go further on their own, according to comments filed after a September technical conference.
Avangrid
Avangrid Sues NextEra over ‘Scorched-earth Scheme’ to Stop NECEC
In an antitrust lawsuit filed in federal court, Avangrid accused NextEra Energy of conducting an “exclusionary and anticompetitive scheme” to stop a major transmission project connecting New England to Quebec.
© RTO Insider LLC
Stakeholders Still Asking MISO for Smaller Tx Project Category to Address Congestion After MTEP 24 Study
Stakeholders want MISO to develop a smaller, congestion-relieving transmission study after this year’s near-term congestion study focused on how best to sequence transmission outages needed for construction of long-range transmission projects.
© RTO Insider LLC
Lame Duck Congress Could be Last, Best Chance for Permitting Reform
To move forward in the second Trump administration, both Democrats and Republicans will need to depoliticize the debate around climate and energy issues as they face the impacts of increasingly frequent and severe extreme weather, while meeting growing power demand from artificial intelligence, data centers and new manufacturing.
SPP
FERC Approves JTIQ Framework, Cost Allocation
FERC approved tariff revisions and modifications to the joint operating agreement between MISO and SPP that will enshrine a structural and cost-allocation framework for the five projects in their Joint Targeted Interconnection Queue portfolio.

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