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MarketsNotice of new market participant as of 10/16/25
The following market participant has successfully completed the California ISO certification as specified:
New Market Participant: Puget Sound Energy
Address: 355 110th Ave NE, Bellevue WA, 98004
Identification (SCID): PSE1
Effective Date in Master File: 10/16/25
Certification: Extended Day Ahead Market Scheduling Coordinator
A list of all scheduling coordinators, convergence bidding entities and congestion revenue rights (CRR) holders is posted on the ISO website.
A list of all EDAM Scheduling Coordinators is posted on the Western Energy Markets website.
Contact information
Please contact ISO Customer Service at 916-608-7320 with any questions.