Item 11- Staff Briefing: Third Quarter Operations Report — original pdf
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Austin Energy Operations Update FY2026 Q3 Lisa Martin Deputy General Manager & Chief Operating Officer August 2026 © Austin Energy Item 11 Agenda Quarterly Operations Update Executive Summary Environmental Performance Reliability Performance 2 Executive Summary Renewable Production 44% aggregate renewable production as a percentage of load in Q3. Carbon-Free Production 63% carbon-free generation as a percentage of load in Q3. Generator Availability Resource commercial availability is in line with expected seasonal outages at the start of this quarter. Reliability Performance Performance metrics show improvements in outage duration and frequency compared to recent quarters. 3 Environmental Performance Austin Energy Operations Update Carbon-Free Generation as a Percentage of Load Monthly Data 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 63% Carbon-Free Average Nuclear Renewable 5 Carbon-Free Generation as a Percentage of Load 63% 12-month rolling avg. 6 Net Generation and Load Analysis – FY2026 Q3 Generation vs. Consumption (MWh) Renewable Natural Gas Nuclear Coal 3,353,181 1,701,424 568,014 340,154 743,590 3,853,373 Power Generation as a Percent of Consumption ERCOT Market & Trades 13% Renewable 44% Other - Austin Energy 24% Nuclear 19% Generation Consumption Power Generation Cost by Fuel Type Historical Q3 System Peak Demand (MW) 6% 7% 19% 68% Nuclear Coal Natural Gas Renewable W M 3,000 2,900 2,800 2,700 2,600 2,500 2,959 2,817 2,839 2,686 2023 2024 2025 2026 7 Reliability Performance Austin Energy Operations Update Generator Performance – FY2026 Q3 Generation Resource South Texas Project Fayette Power Project Sand Hill Combined Cycle Sand Hill Peakers Decker Peakers Nacogdoches Power Project Commercial Availability Actual Notes 82% 85% 53% 79% 94% 67% Commercial Availability is typically lower in milder-temperature months because of planned maintenance outages to prepare for the critical summer peak season. 9 Electric Vehicle Charging Network – FY2026 Q3 100% 95% 90% 85% 80% 100% 95% 90% 85% 80% Overall Network Uptime 12-month rolling average 98% 99% 99% 99% Q3 FY 25 Q1 FY26 Q2 FY26 Q3 FY26 DC Fast Chargers Uptime 12-month rolling average 89% Q4 FY 25 90% Q1 FY26 92% Q2 FY26 94% Q3 FY26 10 Report Charging Station Outages • ChargePoint app • Austin 3-1-1 • pluginaustin@austinenergy.com Electric Vehicle Charging Stations Charging Sessions in Q3 Average Monthly: 31,318 31,102 31,431 31,420 April May June 35,000 30,000 25,000 20,000 15,000 10,000 5,000 0 EV Charging Station Usage FY2026 Q3 675 Megawatt Hours average monthly energy dispensed 9 a.m. – 2 p.m. peak usage time 3h 7m average charging time 11 Distribution Reliability – FY2026 Q3 Average number of outages per customer Average duration of outages in minutes Average minutes to restore service to affected customer 1.398 0.95 153.40 74.20 Austin Energy Q3 FY2026 TX Average CY2024* Austin Energy Q3 FY2026 TX Average CY2024* Austin Energy Trendline Austin Energy Trendline 109.70 77.89 Austin Energy Q3 FY2026 TX Average CY2024* Austin Energy Trendline 1.2 1.0 0.8 0.6 0.4 120 100 80 60 40 120 100 80 60 40 FY24 Q4 FY25 Q1 FY25 Q2 FY25 Q3 FY25 Q4 FY26 Q1 FY26 Q2 FY26 Q3 FY24 Q4 FY25 Q1 FY25 Q2 FY25 Q3 FY25 Q4 FY26 Q1 FY26 Q2 FY26 Q3 FY24 Q4 FY25 Q1 FY25 Q2 FY25 Q3 FY25 Q4 FY26 Q1 FY26 Q2 FY26 Q3 SAIFI – System Average Interruption Frequency Index SAIDI – System Average Interruption Duration Index CAIDI – Customer Average Interruption Duration Index Major event days are excluded from reliability metrics * TX EIA Electric Power Annual Average without major event days – CY2024 12 ©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.