Updated Wheeling Access Charge Rates effective 3/12/25

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

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 March 12, 2025	LS Power Grid's 2025 TRR information under Docket Number ER25-1129	n/a

Rates effective March 12, 2025:

March 12, 2025 - T+9B Initial Statement

Contact information

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