EDAM Access Charge Rates effective 10/1/26

The California ISO has posted the following updated EDAM access charge rates effective as noted below on its settlements webpage, under the Extended Day-Ahead Market (EDAM) access charge rates subheadings. This was updated to fix a manual data error.

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

EDAM Access Rates	EDAM Entity
Rates effective Oct 1, 2026	Portland General - PGE

Rates effective Oct. 1, 2026:

Oct. 1, 2026 – T+9B Initial Statement

Contact information

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