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December 12, 2025

Transmission Planning

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AEP Ohio Proposes Revised Data Center Tariff
AEP Ohio submitted a settlement agreement that would provide a buffer on the cost risks of building infrastructure to serve future data centers that may not use as much electricity as they initially propose.
Eversource
ISO-NE Planning Advisory Committee Briefs: Oct. 23, 2024
Sheila Keane of the New England States Committee on Electricity discussed the scope of ISO-NE's first longer-term transmission planning solicitation.
SPP
SPP, MISO Await FERC’s Approval of JTIQ Project
SPP and MISO are coordinating responses to their FERC filings to facilitate their Joint Transmission Interconnection Queue process and cost-allocation methodology.  
PJM
PSEG Announces Route for Piedmont Reliability Project Tx Line

PSEG announced its proposed route for the Maryland Piedmont Reliability Project, a core component of the $5 billion in grid reinforcements the PJM Board of Managers approved in December 2022.

Wood Mackenzie
US Utilities Face Scramble to Meet New Demand
U.S. electric utilities have been caught “flat-footed” by the impending demand for electricity, Wood Mackenzie asserts in a new report. 
ISO-NE
New England States Seeking Increase of North-South Tx Capacity
The New England states are planning to solicit project proposals to increase the region’s north-to-south transmission capacity, the New England States Committee on Electricity said.
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Utilities and Grid Operators Urge Caution on DLRs, State Regulators and Consumers Want Action
Utilities and grid operators urged caution on new dynamic line rating requirements while state regulators, consumers and grid enhancing technology firms said they want the mandates.
Energy Strategies
FERC Reverses Decision on WestConnect Cost Allocation

Responding to an appellate court’s concerns about free ridership, FERC reversed a decision that allowed the WestConnect transmission planning region to include a category of participants not subject to binding cost allocation.

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MISO Dubious of Opt-out Request for DER Affected System Studies
MISO is hesitant to grant a request from Michigan to give dispensations to distributed energy resources from its mandated affected studies that gauge transmission system impacts.
ITC and ATC
MISO to Request Year Deferral on FERC Order 1920
Although it’s largely compliant with the directives of FERC’s Order 1920 on regional transmission planning, MISO intends to seek a yearlong extension of the June 2025 compliance deadline.

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