Item 19 Staff Briefing — original pdf

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Austin Energy FY2024 Q3 Operations Update Lisa Martin Deputy General Manager & Chief Operating Officer August 12, 2024 © Austin Energy Agenda Executive Summary Environmental Performance Reliability Performance Grid Resilience Strategic Goal Quarterly Operations Update 2 Executive Summary Renewable production on-target 50% aggregate renewable production as a percentage of load in Q3. Carbon-free production on-target 67% carbon-free generation as a percentage of load in Q3. Maintenance for generators Resources at Sand Hill, FPP, and STP had planned maintenance to prepare for the summer months. Reliability performance trend stabilizing Performance metrics show slightly better or similar outage duration and frequency compared to last quarter. 3 Austin Energy Operations Update Environmental Performance 4 Carbon-Free Generation as a Percentage of Load Monthly Data 67% 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Jul-23 Aug-23 Sep-23 Oct-23 Nov-23 Dec-23 Jan-24 Feb-24 Mar-24 Apr-24 May-24 Jun-24 Nuclear Renewables 5 Carbon-Free Generation as a Percentage of Load Rolling 12-Month Average Data 67% 6 Austin Energy Operations Update Reliability Performance 7 Electric Vehicle Charging Station Operations EV Charging Operations Updates • Austin Energy actively engaged ChargePoint and Smart Charge America to perform reactive and quarterly preventative maintenance. • Updated rate of $0.09/kWh implemented July 1 and phased out the former subscription plan. • DC Fast Charging had a cumulative 93.8% uptime over the last quarter. Network Health as of 8/5/24 1.7% 12% 86.3% Available Faulted Unreachable Faulted – Hardware or Software issue detected at the time of report. Unreachable – WiFi or cellular issue detected with the station within the last 24 hours. 8 Electric Vehicle Charging Station Operations Charging Sessions EV Charging Station Usage • Averaging over 34,000 charging sessions per month. • 673 MWh of energy dispensed on average each month. • Peak usage time: 9 a.m. – 1 p.m. Average Session Length 9 Generator Commercial Availability Generation Resource Sand Hill Combined Cycle Fayette Power Project South Texas Project Commercial Availability Summer Target % Commercial Availability Actual % Q3 FY24 Avg 95 97 100 77 86 73 10 Net Generation and Load Analysis FY2024 Q3 Power Generation Cost by Fuel Type Consumption vs. Generation (MWh) 5% 9% 15% 71% Nuclear Coal NG Renewable GENERATION CONSUMPTION Historical Q3 System Peak Demand (MW) Power Generation as Percent of Consumption 1,895,888 Renewable 552,809 364,344 645,620 Natural Gas Coal Nuclear 3,814,214 Renewable 50% Other 33% Nuclear 17% 2021 2022 2023 2024 11 3,000 2,900 2,800 2,700 2,600 2,500 2,400 Distribution Reliability – Q3 FY2024 Average duration of outages in minutes Average number of outages per customer Average time to restore service to affected customer 1.62 184.19 89.84 113.7 0.85 75.53 Austin Energy Q3 FY 2024 Texas Avg. CY 2022 Austin Energy Q3 FY 2024 Texas Avg. CY 2022 Austin Energy Q3 FY 2024 Texas Avg. CY 2022 Austin Energy trendline Austin Energy trendline Austin Energy trendline 1 0.8 0.6 0.4 0.2 0 100 80 60 40 20 0 120 100 80 60 40 20 0 FY21 Q4 FY22 Q1 FY22 Q2 FY22 Q3 FY22 Q4 FY23 Q1 FY23 Q2 FY23 Q3 FY23 Q4 FY24 Q1 FY24 Q2 FY24 Q3 FY21 Q4 FY22 Q1 FY22 Q2 FY22 Q3 FY22 Q4 FY23 Q1 FY23 Q2 FY23 Q3 FY23 Q4 FY24 Q1 FY24 Q2 FY24 Q3 FY21 Q4 FY22 Q1 FY22 Q2 FY22 Q3 FY22 Q4 FY23 Q1 FY23 Q2 FY23 Q3 FY23 Q4 FY24 Q1 FY24 Q2 FY24 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 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 and most susceptible to wildfire risk. • 25 circuits underway; 2 circuits reached end-to-end completion as of August 2024. • Overhead Hardening, Underground Feasibility studies initiated in February 2024; Estimated completion December 2024. • Application submitted for DOE GRIP2.0 grant in April 2024; Awaiting awardee notifications (as of August 5, 2024). • Application submitted for TDEM Grid Resiliency grant in July 2024; Awaiting awardee notifications (Fall 2024/Winter 2025). • Pano AI – 11 out of 13 cameras now online. Improve Underground Network Modeling Improve Austin Energy’s visibility of the downtown network model using GIS and ADMS. • Previous system updates provided new equipment visibility in GIS and ADMS. • GIS upgrade completed (July/August 2024) – currently in 6-month stabilization phase. Resiliency as a Service (RaaS) Program Providing resiliency and safety to customers and the community through a program that distributes the value of distributed generation assets across the customer base. Meets SB398 back up generation rules. • Four RaaS projects submitted as of Q2 FY24. • One project nearing the RFP process to select a vendor energy company. 14 ©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.