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December 20, 2025

Transmission Planning

PJM
FERC Approves Cost Allocation for $5 Billion in PJM Transmission Expansion
FERC approved PJM’s cost allocation for a $5 billion in transmission upgrades aimed at resolving reliability violations posed by growing data center load in Northern Virginia and retirements in Maryland.
ATC and ITC Midwest
Cardinal-Hickory Creek Developers Appeal Injunction on Line’s Final Mile
Two of the developers behind the embattled Cardinal-Hickory Creek transmission line have appealed to lift an injunction on the last mile of the project that will intersect a wildlife refuge in Wisconsin and Iowa.
Shutterstock
FERC Approves PJM Involvement in 2nd NJ Offshore Tx Solicitation
FERC approved the participation of PJM in New Jersey’s second solicitation for transmission to interconnect offshore wind, as the state Board of Public Utilities evaluates proposals submitted by the solicitation’s April 3 deadline.
© RTO Insider LLC
FERC’s Christie: Transmission Can’t be Built Without State Support
The surest way to ensure that transmission is not expanded is to usurp states’ authority, FERC Commissioner Mark Christie said at WIRES’ Spring Member Meeting in Chicago.
Lawrence Berkeley National Laboratory
Stakeholder Soapbox: The Greatest Machine Needs a Tune-up
The U.S. power grid is no longer operating efficiently, and these inefficiencies are costing American consumers and threatening reliability, Clean Energy Venture Group's Nora Mead Brownell writes.  
IBEW Local 2
MISO Chooses Ameren for 3rd Long-range Tx Project
MISO has selected Ameren Transmission Co. of Illinois to build a third transmission project stemming from the RTO's long-range transmission portfolio.
CAISO
CAISO Transmission Plan Emphasizes Offshore Wind, Reliability

CAISO released a draft transmission plan identifying 26 new transmission projects aimed at accelerating California’s ability to meet its ambitious clean energy goals and costing an estimated $6.1 billion.

CAISO
CAISO Can Close 2024 Interconnection Window, FERC Rules
FERC approved CAISO’s request to forgo this year’s process for taking interconnection applications, giving the ISO more time to study last year’s record-breaking number of requests.
© RTO Insider LLC
NEPOOL TC Approves Process for States’ Transmission Needs
The NEPOOL Transmission Committee voted to approve a proposal by ISO-NE and the New England States Committee on Electricity to create a new process to facilitate transmission investments that address state-identified, long-term needs associated with the clean energy transition.
Indiana Michigan Power
MISO, PJM Stakeholders Call for Interregional Transmission Overhaul
MISO and PJM are deliberating whether to embark on an interregional transmission study this year as they field more calls from stakeholders to revamp their joint planning framework.

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