Updated Wheeling Access Charge Rates Effective 1/1/25

The California ISO has posted the following updated wheeling access charge rates, effective as noted below on its settlements webpage, under the Transmission access charge (TAC) rates/Wheeling access rates/Wheeling rates 2025 subheadings.

These rates will be included in the settlement calculation of transmission access charge transactions starting on the following trade dates:

Wheeling Access Rates

FERC Order

FERC Order Date

Rates effective

Jan. 1, 2025

City of Azusa's 2025 TRR/TRBAA information under Docket Number NJ25-6

13-March-25

City of Riverside's 2025 TRR/TRBAA information under Docket Number NJ25-5

14-March-25

Rates effective Jan. 1, 2025:

March 28, 2025 - T+9B Initial Statement
Jan. 23, 2025 – T+70B Recalculation Statement
Jan. 1, 2025 – T+11M Rerun Statement

Contact information

Please contact ISO Customer Service at 916-608-7320 with any questions.