June 8, 2023
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Legal & Regulatory
WEIM Base Schedule Submission Deadline: WEIM resource sufficiency evaluation at T-30, call on 6/15/23

The California ISO has scheduled a stakeholder call on June 15, 2023, to discuss withdrawing the creation of a WEIM Resource Sufficiency Evaluation at T-30 due to system performance issues. Following the implementation of the flexible ramping product, the ISO has determined the existing market timelines cannot be maintained with the addition of an RSE at T-30.


Meeting materials will be available prior to the call on the WEIM Base Schedule Submission Deadline initiative webpage.


The 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 June 15 stakeholder call discussion by end of day June 22, 2023, through the ISO’s commenting tool using the link on the initiative webpage.


Meeting details

Date: June 15, 2023

Time: 1 p.m. – 3 p.m. Pacific Time

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Web and audio participation information

Step 1: join web conference

Step 2: connect to audio by selecting “computer audio” or select “call me” and enter your phone number


Audio participation only: Call 1-888-251-2949 or 215-861-0694; access code: 4771625#


Technical support: call 1-301-250-7202


Please contact Isabella Nicosia at or with any questions.

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