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October 10, 2019


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Market Rules and Design

Regional Integration

Western Energy Imbalance Market

Extended Day-Ahead Market Issue Paper, Call 10/17/19


The California ISO has scheduled a public stakeholder call on Oct. 17, 2019, to discuss the issue paper for the new Extended Day-Ahead Market (EDAM) initiative, which is available on the ISO website at An agenda and presentation will be available at this same link prior to the call.


Through this initiative and with stakeholder input, the ISO will develop the design details to enable Western Energy Imbalance Market entities to participate in the ISO day-ahead market.


The ISO is also hosting an Existing Day-Ahead Market Overview session for stakeholders to provide them with foundational knowledge of the current day-ahead market. The primary focus of the training will be on the existing day-ahead market features and will include a summary of current and upcoming market initiatives developing enhancements to the day-ahead market. There are two-sessions available, one held on Oct. 29, 2019 and one on Nov. 12, 2019. However, please note that the Oct. 29 session is full. To sign up for the remaining session, please register at This complimentary training is offered in person only; no remote participation is available.


The EDAM stakeholder call will be recorded and the video file posted on the initiative webpage for a limited time. The recording is for informational and convenience purposes only, and any related transcriptions should not be reprinted without the ISO’s permission.


Please submit written comments on the issue paper using the comments template available on the initiative webpage. Email comments to by close of business November 22.


Meeting Details

Date: October 17, 2019

Time: 1 p.m. - 4 p.m. Pacific Time

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Participation Information

Step 1: call 1-877-369-5230, access code: 0144146##

Step 2: join web conference

Technical support: call the AT&T Help Desk at 1-888-796-6118


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