Item 16- Staff Briefing Third Quarter Operations Report — original pdf
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Austin Energy FY2025 Q3 Operations Update Lisa Martin Deputy General Manager & Chief Operating Officer August 11, 2025 © Austin Energy Item 16 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 68% carbon-free generation as a percentage of load in Q3. Generator availability Resources at Sand Hill and Fayette had planned maintenance early in the quarter to prepare for the summer months. Reliability performance Performance metrics indicate increased storm restoration and repairs. 3 Austin Energy Operations Update Environmental Performance 4 Carbon-Free Generation as a Percentage of Load Monthly Data 68% Carbon-Free Average 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Jul-24 Aug-24 Sep-24 Oct-24 Nov-24 Dec-24 Jan-25 Feb-25 Mar-25 Apr-25 May-25 Jun-25 Nuclear Renewable 5 Carbon-Free Generation as a Percentage of Load Rolling 12-Month Average Data 64% 12-month average 6 Net Generation and Load Analysis FY2025 Q3 Power Generation Cost by Fuel Type Generation vs. Consumption (MWh) Renewable Nuclear Coal Natural Gas 8% 7% 22% 63% 1,711,964 542,901 387,106 913,830 3,872,965 Nuclear Coal Natural Gas Renewable Generation Consumption Historical Q3 System Peak Demand (MW) Power Generation as a Percent of Consumption s W M 3000 2900 2800 2700 2600 2500 2022 2023 2024 2025 7 Other 32% Renewable 44% Nuclear 24% Austin Energy Operations Update Reliability Performance 8 Generator Performance FY2025 Q3 Generation Resource Commercial Availability Notes Sand Hill Combined Cycle Fayette Power Project South Texas Project 83% 88% 100% 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 – Q3 FY2025 100.00% 95.00% 90.00% 85.00% 80.00% 100.00% 95.00% 90.00% 85.00% 80.00% Overall Network Uptime 12-month rolling average 98% 98% 98% 98% Q 4 F Y 2 4 Q 1 F Y 2 5 Q 2 F Y 2 5 Q 3 F Y 2 5 DC Fast Chargers Uptime 12-month rolling average 91% Q 4 F Y 2 4 91% 91% 88% Q 1 F Y 2 5 Q 2 F Y 2 5 Q 3 F Y 2 5 10 Report Charging Station Outages • ChargePoint app • Austin 3-1-1 • Email – pluginaustin@autinenergy.com Electric Vehicle Charging Station Operations Charging Sessions in Q3 Average Monthly: 35,827 EV Charging Station Usage Q3 FY2025 732 Megawatt Hours average monthly energy dispensed 40,000 35,000 30,000 25,000 20,000 15,000 10,000 5,000 - 35,252 36,350 35,878 April May June 9 a.m. – 2 p.m. peak usage time 5h 01m average plug-in time 2h 49m average charging time 11 Distribution Reliability – Q3 FY2025 Average duration of outages in minutes Average minutes to restore service to affected customer Average number of outages per customer 1.76 213.60 112.65 84.91 0.93 Austin Energy Q3 FY2025 Texas Avg. CY2023* Austin Energy trendline Austin Energy trendline FY22 Q4 FY23 Q1 FY23 Q2 FY23 Q3 FY23 Q4 FY24 Q1 FY24 Q2 FY24 Q3 FY24 Q4 FY25 Q1 FY25 Q2 FY25 Q3 1 0.8 0.6 0.4 0.2 0 100 80 60 40 20 0 79.27 Austin Energy Q3 FY2025 Texas Avg. CY2023* Austin Energy Q3 FY2025 Texas Avg. CY2023* Austin Energy trendline Austin Energy trendline 120 100 80 60 40 20 0 FY22 Q4 FY23 Q1 FY23 Q2 FY23 Q3 FY23 Q4 FY24 Q1 FY24 Q2 FY24 Q3 FY24 Q4 FY25 Q1 FY25 Q2 FY25 Q3 FY22 Q4 FY23 Q1 FY23 Q2 FY23 Q3 FY23 Q4 FY24 Q1 FY24 Q2 FY24 Q3 FY24 Q4 FY25 Q1 FY25 Q2 FY25 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 *Texas Avg. CY2023-Final Data-EIA Final Data for each metric 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.