EDAM Access Charge Rates Effective 5/1/26

The California ISO has posted the following updated Extended Day-Ahead Market (EDAM) access charge rates effective as noted below on its settlements webpage, under the EDAM access charge rates subheadings.

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

Rates effective May 1, 2026:

• May 1, 2026 – T+9B Initial Statement

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