Nov. 2, 2022
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Governance & Committees
California ISO posts analysis of September heat wave in Summer Market Performance Report for September 2022; stakeholder call on 11/17/22

The California ISO has published its analysis of the September heat wave in the Summer Market Performance Report for September 2022. A stakeholder call is scheduled for Nov. 17, 2022, to review the details of the analysis and answer stakeholder questions.


The report gives an in-depth breakdown of grid and market conditions during the 10-day heat wave from Aug. 31 - Sept. 9, focusing mainly on the grid’s most critical days, Sept. 5-8. A news release has been posted and can be found here.


The September report is part of a series of monthly summer reports intended to provide an update and assessment on the performance of specific market enhancements implemented as part of the ISO’s summer readiness market rules changes. All of the summer reports are now completed and available for the months of June through September on the Reports and bulletins webpage, under Market performance reports heading and Monthly market performance reports subheading.


Additional documents and presentations related to the September heat wave and the September summer market performance will be posted prior to the call on the Miscellaneous stakeholder meetings webpage.


The meeting will be recorded and the video file will be posted on the miscellaneous stakeholder meetings webpage. The recording is for informational and convenience purposes only and any related transcriptions should not be reprinted without the ISO’s permission.


Meeting Details

Date: Nov. 17, 2022

Time: 8 a.m. - 10 a.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: 2963627#


Please contact Keoni Almeida at with any questions.

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