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December 16, 2025

Transmission

© RTO Insider
ISO-NE Open to Asset Condition Review Role amid Rising Costs
ISO-NE announced it is open to taking on a limited asset condition reviewer role, intended to help increase oversight of transmission infrastructure projects. 
© RTO Insider 
MISO Gen Developers Sour on RTO’s JTIQ Cost Allocation
MISO generation developers pushed back on MISO’s cost allocation of the $1.65 billion Joint Targeted Interconnection Queue, reportedly saying MISO’s late-stage alterations have eroded the value of the seams planning.
© RTO Insider 
Calpine Proposes Time-varying TCCs at NYISO
Calpine proposed that NYISO split its 24-hour-only transmission congestion contracts into on-peak and off-peak products, arguing it would reduce the cost of congestion hedging by better aligning it with load and generation behavior.
ICF
ICF Report Predicts the Pace of Demand Growth to Speed up
ICF International is projecting another rise in the rate of demand growth as more data centers seek to plug into the grid in the coming years, with a 25% increase from 2023 levels by 2030 and 78% by 2050. 
© RTO Insider 
Consumer Advocates, Environmentalists Lay out Priorities to PJM
PJM’s Public Interest and Environmental Organization User Group voiced mixed views on the RTO’s policy trajectory, praising advances in generation interconnection over the past year while raising concerns about rising costs and transparency.
CAISO
CAISO Chooses Viridon to Develop Humboldt OSW Transmission Projects
CAISO selected Viridon, a power infrastructure development firm, to finance, build and operate new transmission lines and infrastructure in Humboldt County for planned offshore wind development.
Shutterstock
Mass. Gov. Healey Introduces Energy Affordability Bill
Massachusetts Gov. Maura Healey has filed a major energy bill that her administration says would save ratepayers $10 billion over the next decade.
PJM
PJM MRC Preview: May 21, 2025
PJM will present a proposal aiming to make the RTO’s effective load-carrying capability (ELCC) process more transparent.
Admin Monitor
ERCOT, PUC Refining Future Load Projections
Texas regulators have declined ERCOT’s request for an exemption from including certain loads without interconnection agreements in its forecasts until the grid operator fine tunes its methodology.
© RTO Insider 
With New Job, Phillips Reflects on FERC Tenure, Transmission Reform
Former FERC Chair Willie Phillips, now a partner with Holland & Knight, says his old agency is in good hands with its current membership.

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