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	DesertLink, LLC 's 2025 TRR/TRBAA information under Docket Number ER22-1050 and ER25-321	17-Dec-24
	DATC Path 15, LLC 's 2025 TRBAA information under Docket Number ER25-333	20-Dec-24
	GridLiance West, LLC's 2025 TRR/TRBAA information under Docket Number ER25-597 and ER25-556	16-Jan-25
	Horizon West Transmission, LLC's 2025 TRR/TRBAA information under Docket Number ER25-598 and ER25-648	29-Jan-25

Rates effective Jan. 1, 2025:

Jan. 29, 2025 - T+9B Initial Statement
Jan. 1, 2025 – T+70B Recalculation Statement

Contact information

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