DOCKETED
Docket Number: 21-ESR-01
Project Title: Energy System Reliability
TN #: 243174
Document Title: Presentation - CAISO Reliability Workshop Summer Analysis Description: N/A
Filer: Courtney Wagner
Organization: California Energy Commission
Submitter Role: Commission Staff
Submission Date: 5/20/2022 8:17:19 AM
Docketed Date: 5/20/2022
Summer and Midterm Stack
Analysis
Neil Millar
VP, Infrastructure and Operations Planning
Staff Workshop on Summer and Midterm Reliability, Session 1 California Energy Commission
May 20, 2022
September peak conditions 2022-2025
Gap of ~1800
MW results in
need for
incremental
procurement
by Summer
2025
~1700 MWs of contingency measures
to meet planning standards in 2022
2022 Summer Assessment indicates 7pm-8pm challenges
• 81% percent of the minimum reserve margins occurred during the hours ending 19:00 to 21:00 – hours of little to no production from solar resources.