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United States. Federal Energy Regulatory Commission

New England Participating Transmission Owners Administrative Committee Submits Annual Update to Federal Energy Regulatory Commission

Strategic Insights

— 1 min read

The New England Participating Transmission Owners Administrative Committee (PTO AC) has submitted an annual update to the Federal Energy Regulatory Commission (FERC) regarding ISO Tariff Charges in effect as of June 1, 2025, and January 1, 2026. The update includes updated rates and associated revenue requirements for Regional Service, Local Service, and Schedule 12C Costs, which will be in effect from January 1, 2026, through December 31, 2026.

Key Takeaways:

  • The PTO AC has submitted an annual update to FERC, providing updated rates and associated revenue requirements for Regional Service, Local Service, and Schedule 12C Costs for the period January 1, 2026, through December 31, 2026.
  • The update reflects actual 2024 cost data and forecasted revenue requirements for 2025 and 2026, incorporating a true-up with interest computed in accordance with Part 35.19a of the Commission's regulations.
  • The new Regional Service, Local Service, and Schedule 12C Costs rates will be in effect from January 1, 2026, through December 31, 2026, with an RNS Rate of $183.75/kW-year, a decrease of $1.53 from the prior year RNS Rate of $185.28/kW-year.
  • The PTOs have also submitted updated rates and associated revenue requirements for Scheduling, System Control and Dispatch Service (Schedule 1), which will be in effect from June 1, 2025, through May 31, 2026, with a Schedule 1 charge of $2.23/kW-year, an increase of $0.05/kW-year from the prior year.
  • The submission includes attachments and supporting information provided by the PTOs, including schedules, formula rate templates, and documentation of the PTOs' satisfaction of the Transparency Requirements under the Protocols.

Statistics:

  • RNS Rate: $183.75/kW-year (decrease of $1.53 from the prior year RNS Rate of $185.28/kW-year)
  • Schedule 1 charge: $2.23/kW-year (increase of $0.05/kW-year from the prior year)
  • Regional Service rates for the period January 1, 2026, through December 31, 2026, are based on 2024 actual data and forecasted data for 2025 and 2026.
  • The annual update has been submitted to FERC, with attachments and supporting information provided by the PTOs.

Sources:

  • ISO New England Inc. Participating Transmission Owners Admin. Comm., 153 FERC P 61,343 (2015)
  • ISO New England Inc., 191 FERC P 61,100 (2025)
  • Federal Energy Regulatory Commission, ISO Tariff Charges (2025)
  • New England Participating Transmission Owners Administrative Committee, Annual Update (2025)

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