Item 10 3rd Quarter Operations Report — original pdf

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Item 10 Austin Energy FY2022 Q3 Operations Update August 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 quarter, resources mostly met availability targets, except where FPP outages were experienced. Reliability performance stable Performance over the longer term is trending statistically consistent with top quartile industry benchmarks. Renewable production on-target For the quarter, aggregate renewable production as a percentage of load at 61%. Carbon free production on-target For the month of April, 97% carbon-free generation as a percentage of load. 3 Austin Energy Operations Update Reliability Performance 4 Generator Commercial Availability & Start Success Commercial Availability Generation Resource Target Seasonal Commercial % Availability Commercial Availability Actuals (%) Q2 FY22 AVG Q3 FY22 AVG 98 55 97 100 - 100 79 100 * 95 95 97 100 Decker Steam Units 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 (%) Q3 FY22 AVG Q2 FY22 AVG Simple Cycle Start Success 99 100 100 5 Net Generation and Load Analysis FY 2022 Q3 *Costs include fuel for generation, fuel transportation, renewable Power purchases agreements This information is unaudited and should be read in conjunction with the audited Comprehensive Financial Reports for the City of Austin, when published on 6 System Reliability SAIDI w/o MED - CY19 - CY20 - CY21 - CY22 71.51 68.44 60.41 52.77 55.96 54.21 57.89 60.88 61.39 63.40 62.71 62.95 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 CY19 Q3 CY19 Q4 CY20 Q1 CY20 Q2 CY20 Q3 CY20 Q4 CY21 Q1 CY21 Q2 CY21 Q3 CY21 Q4 CY22 Q1 CY22 Q2 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 76.07 80 78.39 78.69 79.17 0.94 0.86 0.75 0.66 0.68 0.65 0.73 0.74 0.72 0.76 0.80 0.80 0.72 80 60 40 20 0 S N O I T P U R R E T N I F O N O I T A R U D L A T O T R E P S N O I T P U R R E T N I F O R E B M U N . G V A 1.2 0.8 0.4 0 R E M O T S U C E C I V R E S E R O T S E R O T E M I T . G V A 120 40 0 CY19 Q3 CY19 Q4 CY20 Q1 CY20 Q2 CY20 Q3 CY20 Q4 CY21 Q1 CY21 Q2 CY21 Q3 CY21 Q4 CY22 Q1 CY22 Q2 CY19 Q3CY19 Q4CY20 Q1CY20 Q2CY20 Q3CY20 Q4CY21 Q1CY21 Q2CY21 Q3CY21 Q4CY22 Q1CY22 Q2 TOP QUARTILE BENCHMARK TOP QUARTILE BENCHMARK 7 Austin Energy Operations Update Environmental Performance 8 Carbon-Free Generation as a Percentage of Load 9 Environmental Focus Aragorn Solar Project is now authorized to generate up to 187MW (previous limit set by PPA was 180MW) – thus 7MW increase in renewable portfolio 10 Austin Energy Operations Update Grid Resilience Strategic Goal 11 Grid Resilience Initiatives AE Strategic Goals 2020 Grid Resilience Improve Distribution System Reliability Identify, Rank, and Address feeder maintenance needs in areas historically beset by outages. Identify, Rank and Address system hardening needs in areas most susceptible to wildfire risk. Phase I – Top 10 Feeders in both Performance and Wildfire Criticality addressed (CY/2022 - IN PROGRESS) Phase II – Overall Distribution Resilience Program established, roll out (Q1/2022 – COMPLETE) Improve Substation Reliability Evaluate substation equipment operation and address legacy equipment needs. Phase I - Fiskville Substation Upgrades (COMPLETE) Phase II- Slow Breaker Operation –Rank and Schedule Substation Breakers for maintenance and remediation (COMPLETE) Improve Underground Network Reliability Starts with enabling greater Visibility to our downtown network through the integration of our network model into our Advanced Distribution Management System Phase I - Network Modeled in ADMS – (Q3/2020) (COMPLETE) Phase II - Network Primary Circuits Complete/Modeled in ADMS – (Q2/2021) (COMPLETE) Phase III -Network Secondary Circuits Complete/Modeled in ADMS – (Q4/2023 IN PROGRESS) Transmission System of the Future As part of the 2030 generation plan, Austin Energy is commissioning a Transmission system study that will investigate ways to achieve our goals set forth in the plan while compensating for the loss of generation plants. Phase I - Development of evaluation criteria (Q1/2021) (COMPLETE) Phase II – Develop SOW for RFP release (Q2/2021) (COMPLETE) Phase III – Transmission System Assessment (Q2/2023 IN PROGRESS) 12 Austin Energy Operations Update Hot Weather Preparedness 13 ERCOT Energy Emergency Alert System Conservation Alerts EEA 1 EEA 2 EEA 3 • Conservation Needed • Conservation Critical • Operating reserves • Operating reserves below 2,300 MW and not expected to recover w/in 30 mins below 1,750 MW and not expected to recover w/in 30 mins ERCOT may ask consumers to reduce electric use when tight operating reserves are expected. Austin Energy activates Incident Command • Operating reserves below 1,000 MW and not expected to recover in 30 mins and/or frequency cannot be maintained • ERCOT can mandate controlled outages* *No controlled outages have occurred in 2022 14 ERCOT issued conservation notices for July 11 and 13, 2022 Conservation Appeals • Public appeals to reduce consumption • No ERCOT directives for controlled outages • Austin Energy called on customers to conserve energy 15 Local Outages outagemap.austinenergy.com Common Causes of Outages Car Crashes Downed Trees Animal Interference Equipment Issues Construction Incidents 16 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. 17