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April 29, 2021


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Department of Market Monitoring Q4 2020 Market Issues and Performance Report Posted, Call 5/3/21


The California ISO Department of Market Monitoring has posted its Fourth Quarter Market Issues and Performance Report and has scheduled a stakeholder web conference on May 3, 2021, to discuss the analysis and findings of the fourth quarter 2020 Market Issues and Performance Report which is available at


The fourth quarter 2020 Market Issues and Performance Report includes coverage of market performance in both the day-ahead and real-time Western Energy Imbalance Market. Market prices increased, relative to the same quarter of the prior year, but remained competitive. Factors contributing to higher electricity costs included lower hydro-electric production in California, a moderate increase in gas prices, and higher outage rates. The report also includes special issue coverage of resource sufficiency test results in August 2020 and system market power.


Information related to market monitoring is available at


Meeting Details

Date: May 3, 2021

Time: 1 p.m. - 2 p.m. Pacific Time

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Participation Information

Step 1: call 1-888-251-2949, access code: 5390911#

Step 2: join web conference

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


Amelia Blanke at or Department of Market Monitoring (916) 351-2174

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