Registration Open for DAME, EDAM, and EDAM CAISO BAA PR Implementation Market Simulation; Initial Deadline 4/22/25

The California ISO invites all market participants intending to participate in the Day-Ahead Market Enhancements (DAME), Extended Day-Ahead Market (EDAM), and EDAM CAISO BAA Participation Rules implementations to register for the upcoming Market Simulation activities starting May 2025. The ISO shall commence weekly Market Simulation meetings to support Connectivity Testing, Integration Testing, and Market Simulation execution. As this weekly meeting series is intended for registered participants only, we encourage registration ahead of April 22, 2025. The first meeting is set for Thursday, April 24 at 1 P.M. Pacific Time. Market Participants registering after April 22 shall be included in future weekly meetings. This meeting series offers a valuable opportunity to engage with the ISO in preparation for the Market Simulation.

Registration Process:

To participate in the Market Simulation and corresponding meeting series, please follow these steps:

1. Submit a CIDI Request:
   • Log into the ISO Customer Inquiry, Dispute, and Information (CIDI) system.
   • Create a new request with the 'Functional Environment' set to "Market Simulation."
   • In the request, specify your intent to participate in the DAME, EDAM, and EDAM CAISO BAA PR Implementation Market Simulation.
   • Include the following information:
     • Market Simulation initiative(s) you will participate in.
     • Any specific resources or systems you plan to test.
     • Contact names and email addresses for individuals participating in testing.
2. Email Option:
   • If you do not have access to CIDI, you may send an email to marketsim@caiso.com with the subject line "DAME, EDAM, and EDAM CAISO BAA PR Implementation Market Simulation Registration."
   • Provide the same information as outlined above.

Preparation Steps:

• User Access: Ensure your User Access Administrator (UAA) provisions the necessary access to the Market Simulation environment (MAP Stage) for your organization's participants. Refer to EDAM Systems Integration and Testing document for more information.
• Review Documentation: Familiarize yourself with the Business Requirements Specifications, Market Simulation Plans and Scenarios related documentation posted to the ISO Spring 2026 Releases for additional information.
• Attend Forums:
  • Release User Group Forums: Bi-weekly meetings providing implementation updates, including active and upcoming Market Simulation activities.
  • Market Simulation Forums: Weekly meetings to address general questions related to Market Simulation timelines and support.

We appreciate your prompt registration and active engagement in the Market Simulation process.