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Notice

12/18/2025

REQUESTED ACTION

Information only

CATEGORIES

Legal and regulatory
Markets
Information Technology

Tariff Revisions: Extended Day-Ahead Market (EDAM) and Day-Ahead Market Enhancements (DAME) updated tariff matrix

The California ISO has posted proposed tariff changes in redline against the impacted EDAM/DAME tariff sections as well as updates to the EDAM and DAME Tariff Revisions Matrix to incorporate and address stakeholder feedback. 

 

A full, consolidated version of the DAME/EDAM tariff as accepted by the Federal Energy Regulatory Commission is available on the tariff webpage under pending tariff changes.

Contact information

Please contact Hannah Pearson at ISOStakeholdersaffairs@caiso.com with any questions. 

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