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Market Notice
March 8, 2019


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Request for Comment


Market Rules and Design

System Operations

Western Energy Imbalance Market

Requested Feedback on OASIS Updates Due 3/15/19; Call 3/28/19


The California ISO is requesting feedback on updates made on Feb. 19, 2019 to the Open Access Same-time Information System (OASIS) user-interface production application.


Additional information on the changes can be found in the Feb. 15, 2019 market notice at


Please submit your feedback by Friday, March 15, 2019, via the electronic request form located at Use the dropdown subject heading “OASIS Problem”. A call will be held on March 28, 2019 to review and discuss the feedback.


Meeting Details

Date: Thursday, March 28, 2019

Time: 1 p.m. - 3 p.m. PDT

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Participation Information

Step 1: call 1-877-369-5230, access code: 0110632##

Step 2: join web conference

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


Your Client Representative or ISO Customer Service at 916-608-7320

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California Independent System Operator | P.O. Box 639014 | Folsom, CA 95630 | United States