Item 8 4th Quarter Operations Report — original pdf

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Item 8 Austin Energy FY2022 Q4 Operations Update November 2022 Stuart Reilly Acting Deputy General Manager & Chief Operating Officer © 2022 Austin Energy 1 Agenda Quarterly Operations Update Executive Summary Reliability Performance Environmental Performance Grid Resilience Strategic Goal 2 Executive Summary Generator availability on-target For the fourth quarter, generation resources met or exceeded availability targets. Reliability performance stable Performance over the longer term is statistically consistent with top quartile industry benchmarks. Stable performance through all-time peak. Carbon-free production on-target 69% carbon-free for July. 78% carbon-free rolling 12-month average. Final After-Action Report Update All 116 follow-up actions have been completed or operationalized. Full completion report is available on the Austin Energy website. 3 Austin Energy Operations Update Reliability Performance 4 Record Hottest May - July Daily ERCOT Peak Load Versus All-time Peak (Aug. 12, 2019) 85,000 80,000 75,000 70,000 65,000 60,000 n u J - 1 n u J - 3 n u J - 5 n u J - 7 n u J - 9 n u J - 1 1 n u J - 3 1 n u J - 5 1 n u J - 7 1 n u J - 9 1 n u J - 1 2 n u J - 3 2 n u J - 5 2 n u J - 7 2 n u J - 9 2 l u J - 1 l u J - 3 l u J - 5 l u J - 7 l u J - 9 l u J - 1 1 l u J - 3 1 l u J - 5 1 l u J - 7 1 l u J - 9 1 l u J - 1 2 l u J - 3 2 l u J - 5 2 l u J - 7 2 l u J - 9 2 l u J - 1 3 g u A - 2 g u A - 4 g u A - 6 g u A - 8 g u A - 0 1 ERCOT Daily Peak Previous Peak Record Since June 1st: ERCOT Load exceeded the previous hourly record 163 times (hours). ERCOT Load exceeded the SARA Report peak forecast 53 times (hours). 5 Generator Commercial Availability & Start Success Commercial Availability Generation Resource Target Seasonal Commercial % Availability Commercial Availability Actuals (%) Q3 FY22 AVG Q4 FY22 AVG 100 79 100 97 97 100 * 95 97 100 Sand Hill Combined Cycle Fayette Units South Texas Project Start Success Commercial Availability values reflect maintenance or refueling outages typical for this period Start Success Target(%) Start Success Actuals (%) Q4 FY22 AVG Q3 FY22 AVG Simple Cycle Start Success 99 100 100 6 Generator Commercial Availability 120% 100% 80% 60% 40% 20% 0% 1 _ T G P D _ R E K C E D 2 _ T G P D _ R E K C E D 3 _ T G P D _ R E K C E D 4 _ T G P D _ R E K C E D 2 _ 1 C C _ D Y S H D N A S 2 0 J _ 1 G _ P P F _ 1 D Y P P F 2 0 J _ 2 G _ P P F _ 1 D Y P P F 1 H S _ D Y S H D N A S 2 H S _ D Y S H D N A S 3 H S _ D Y S H D N A S 4 H S _ D Y S H D N A S 6 H S _ D Y S H D N A S 7 H S _ D Y S H D N A S 4 0 J _ 1 G _ P T S _ P T S 4 0 J _ 2 G _ P T S _ P T S 1 _ T G P D _ R E K C E D 2 _ T G P D _ R E K C E D 3 _ T G P D _ R E K C E D 4 _ T G P D _ R E K C E D 2 _ 1 C C _ D Y S H D N A S 2 0 J _ 1 G _ P P F _ 1 D Y P P F 2 0 J _ 2 G _ P P F _ 1 D Y P P F 1 H S _ D Y S H D N A S 2 H S _ D Y S H D N A S 3 H S _ D Y S H D N A S 4 H S _ D Y S H D N A S 6 H S _ D Y S H D N A S 7 H S _ D Y S H D N A S 4 0 J _ 1 G _ P T S _ P T S 4 0 J _ 2 G _ P T S _ P T S 1 _ T G P D _ R E K C E D 2 _ T G P D _ R E K C E D 3 _ T G P D _ R E K C E D 4 _ T G P D _ R E K C E D 2 _ 1 C C _ D Y S H D N A S 2 0 J _ 1 G _ P P F _ 1 D Y P P F 2 0 J _ 2 G _ P P F _ 1 D Y P P F 1 H S _ D Y S H D N A S 2 H S _ D Y S H D N A S 3 H S _ D Y S H D N A S 4 H S _ D Y S H D N A S 6 H S _ D Y S H D N A S 7 H S _ D Y S H D N A S 4 0 J _ 1 G _ P T S _ P T S 4 0 J _ 2 G _ P T S _ P T S 1 _ T G P D _ R E K C E D 2 _ T G P D _ R E K C E D 3 _ T G P D _ R E K C E D 4 _ T G P D _ R E K C E D 2 _ 1 C C _ D Y S H D N A S 2 0 J _ 1 G _ P P F _ 1 D Y P P F 2 0 J _ 2 G _ P P F _ 1 D Y P P F 1 H S _ D Y S H D N A S 2 H S _ D Y S H D N A S 3 H S _ D Y S H D N A S 4 H S _ D Y S H D N A S 6 H S _ D Y S H D N A S 7 H S _ D Y S H D N A S 4 0 J _ 1 G _ P T S _ P T S 4 0 J _ 2 G _ P T S _ P T S 1 _ T G P D _ R E K C E D 2 _ T G P D _ R E K C E D 3 _ T G P D _ R E K C E D 4 _ T G P D _ R E K C E D 1 H S _ D Y S H D N A S 2 H S _ D Y S H D N A S 3 H S _ D Y S H D N A S 4 H S _ D Y S H D N A S 6 H S _ D Y S H D N A S 7 H S _ D Y S H D N A S 4 0 J _ 1 G _ P T S _ P T S 4 0 J _ 2 G _ P T S _ P T S 2 _ 1 C C _ D Y S H D N A S 2 0 J _ 1 G _ P P F _ 1 D Y P P F 2 0 J _ 2 G _ P P F _ 1 D Y P P F 5 May 6 June 7 July 8 August 9 September 7 Net Generation and Load Analysis FY 2022 Q4 *Costs include fuel for generation, fuel transportation, renewable Power purchases agreements POWER GENERATION AS PERCENT OF CONSUMPTION Other 37% Renewable 43% Nuclear 20% This information is unaudited and should be read in conjunction with the audited Comprehensive Financial Reports for the City of Austin, when published on 8 System Reliability SAIDI w/o MED - CY19 - CY20 - CY21 - CY22 68.44 60.41 52.77 55.96 54.21 57.89 60.88 61.39 63.40 62.71 64.58 63.99 57.00 CAIDI = Customer Average Interruption Duration Index Average time to restore service SAIDI = System Average Interruption Duration Index Total duration of interruptions for the average customer, during a period of time SAIFI = System Average Interruption Frequency Index How often the average customer experiences a sustain interruption, over a period of time MED = Major Event Days I E C V R E S E R O T S E R O T E M T I . G V A 120 80 40 0 CY19 Q4 CY20 Q1 CY20 Q2 CY20 Q3 CY20 Q4 CY21 Q1 CY21 Q2 CY21 Q3 CY21 Q4 CY22 Q1 CY22 Q2 CY22 Q3 TOP QUARTILE BENCHMARK CAIDI w/o MED - CY19 - CY20 - CY21 - CY22 SAIFI w/o MED - CY19 - CY20 - CY21 - CY22 79.58 80.55 79.95 82.29 83.4 79.3 82.27 85.26 83.42 78.39 76.88 75.28 79.17 0.86 0.75 0.66 0.68 0.65 0.73 0.74 0.72 0.76 0.80 0.84 0.85 0.72 CY19 Q4 CY20 Q1 CY20 Q2 CY20 Q3 CY20 Q4 CY21 Q1 CY21 Q2 CY21 Q3 CY21 Q4 CY22 Q1 CY22 Q2 CY22 Q3 CY19 Q4 CY20 Q1 CY20 Q2 CY20 Q3 CY20 Q4 CY21 Q1 CY21 Q2 CY21 Q3 CY21 Q4 CY22 Q1 CY22 Q2 CY22 Q3 TOP QUARTILE BENCHMARK TOP QUARTILE BENCHMARK 9 I S N O T P U R R E T N I I F O N O T A R U D L A T O T 80 60 40 20 0 1.2 0.8 0.4 R E M O T S U C 0 I R E P S N O T P U R R E T N I F O R E B M U N . G V A Austin Energy Operations Update Environmental Performance 10 Carbon-Free Generation as a Percentage of Load 11 Carbon Free Energy Steep line: month-to-month carbon-free energy as a percent of load Smooth line: rolling 12-month average carbon free energy as a percent of load 12 Austin Energy Operations Update Grid Resilience Strategic Goal 13 Grid Resilience Initiatives Austin Energy Strategic Goals Grid Resilience Improve Distribution System Reliability Identify, rank, and address feeder maintenance needs in areas historically impacted by outages. Identify, rank and address system needs in areas most susceptible to wildfire risk. - Address Top 10 Feeders in both Performance and Wildfire Criticality Transmission System of the Future As part of the 2030 resource plan, Austin Energy contracted for a transmission system study to investigate ways to achieve the plan’s goals while mitigating the impacts of the loss of generation plants. - Transmission System Assessment to be complete by June 2023 14 Confidential & Proprietary ©2018 Austin Energy. All rights reserved. Austin Energy and the Austin Energy logo and combinations thereof are trademarks of Austin Energy, the electric department of the City of Austin, Texas. Other names are for informational purposes only and may be trademarks of their respective owners. 15