Reliability Unit Commitment Market Analysis Report Feb 2022
"Explore the impacts on the reliability unit commitment market from January 1 to February 15, 2022, with detailed insights on resource hours, instruction reasons, opt-out totals, resource age, and more. Stay informed with this comprehensive review by Zhengguo Chu, Supervisor of Market Analysis at WMWG for ERCOT. View charts and data illustrating key trends and performance metrics for the period."
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Presentation Transcript
Monthly Review of Reliability Unit Commitment Market Impacts January 1 to February 15, 2022 Zhengguo Chu Supervisor, Market Analysis WMWG February 24, 2022 ERCOT Public
RUC Resource-Hours January 2022 February 1-15, 2022 Non-Opt- Out Non-Opt- Out Total Opt-Out Total Opt-Out Instructed Resource-hours 114.0 26.0 88.0 380.0 4.0 376.0 Effective Resource-hours* 105.8 26.0 79.8 377.5 4.0 373.5 Average LSL 128.0 208.8 102.5 122.2 289.3 120.4 Average LDL 132.0 220.0 104.1 124.4 563.5 119.8 Average BP 137.8 241.2 105.1 124.9 598.6 119.8 Average HSL 386.9 353.9 397.3 313.4 611.6 310.2 * The difference between Instructed and Effective values is a result of Resources starting up, shutting down, receiving partial hour instructions, or otherwise not being dispatchable by SCED. 2 PUBLIC
RUC Instruction Reasons January 2022 105.8 effective RUC Resource-hours, 100% for capacity concerns. 26.0 effective Resource-hours (24.6%) were successfully bought back. February 1-15, 2022 377.5 effective RUC Resource-hours, 100% for capacity concerns. 4.0 effective Resource-hours (1.1%) were successfully bought back. 3 PUBLIC
Non-opt-out and Opt-out Totals: Last 13 Months February data includes February 1-15 only. 4 PUBLIC
Non-opt-out and Opt-out Totals: January 1 February 15 5 PUBLIC
Average Resource Age Note: For Resource configurations with multiple physical generators, the age of the oldest generator is used. February data includes February 1-15 only. 6 PUBLIC
Age Category Non-opt-out Opt-out February data includes February 1-15 only. 7 PUBLIC
RUC-Instructed Resource Dispatch above LDL January 2022 When Resources did not successfully opt out, there were 1.8 effective Resource-hours for which the Resource was dispatched above its LDL. For all these Resource-hours, the RUC-instructed Resource was mitigated. February 2022 When Resources did not successfully opt out, there were 0.3 effective Resource-hours for which the Resource was dispatched above its LDL. For all these Resource-hours, the RUC-instructed Resource was mitigated. 8 PUBLIC
Reliability Deployment Price Adder: Last 13 Months February data includes February 1-15 only. 9 PUBLIC
RUC Clawback, Capacity Short Charges, and Shortfall January 2022 February 1-15, 2022 Make-whole ($ Million) 0.245 2.610 Uplift to Load 0.31 0.85 ($) February data includes February 1-15 only. 11 PUBLIC
