Item 20: Quarterly Operations Rpt — original pdf

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Item 20 Austin Energy Operational Update Q4 FY21 Sidney Jackson Chief Operating Officer, Austin Energy November 2021 © 2018 Austin Energy 1 Austin Energy Operational Update Discussion Topics Performance Carbon Footprint On-Site Energy Resources Future State 2 Austin Energy Operational Update Performance 3 Commercial Availability & Start Success Commercial Availability Generation Resource Target Seasonal Commercial % Availability Commercial Availability Actuals (%) Q3 FY21 AVG Q4 FY21 AVG 94 64 90 87 96 95 99 100 * 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 (%) Q4 FY21 AVG Q3 FY21 AVG Simple Cycle Start Success 99 100 100 4 Net Generation and Load Analysis FY 2021 Q4 Power Generation Cost by Fuel Type CONSUMPTION VS. GENERATION (MWH) Nuclear Coal NG Renewable 7% 4% 16% 45% 28% Nuclear Coal NG Renewable Biomass *Costs include fuel for generation, fuel transportation, renewable Power purchases agreements Historical FY21 Q4 System Peak Demand (MW) G E N E R A T I O N L O A D RENEWABLE POWER AS PERCENT OF CONSUMPTION 1,743,775 662,300 1,132,501 919,566 Non-Renewable 58% 4,181,418 Renewable 42% 2,900 2,850 2,800 2,750 2,700 2,650 2,600 2,550 2,500 2018 2019 2020 2021 This information is unaudited and should be read in conjunction with the audited Comprehensive Financial Reports for the City of Austin, when published on 5 System Reliability CAIDIs w/o MED 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 65 60 55 50 45 40 I F O N O T A R U D L A T O T I S N O T P U R R E T N I 55.96 45.50 61.39 45.50 82.29 68.51 0.68 0.57 E R O T S E R O T E M T I . G V A I E C V R E S 90 85 80 75 70 65 60 0.75 0.7 0.65 0.6 0.55 0.5 0.45 F O R E B M U N . G V A R E M O T S U C R E P S N O T P U R R E T N I I SAIDIs w/o MED SAIFIs w/o MED Q4 FY20 Q4 FY21 Austin Energy Goal 85.26 68.51 0.72 0.57 Q4 FY20 Q4 FY21 Austin Energy Goal Q4 FY20 Q4 FY21 Austin Energy Goal 6 Austin Energy Operational Update Carbon Footprint 7 Renewable Generation as a Percentage of Load 80% 70% 60% 50% 40% 30% 20% 10% 0% Oct-20 Nov-20 Dec-20 Jan-21 Feb-21 Mar-21 Apr-21 May-21 Jun-21 Jul-21 Aug-21 Sep-21 8 Environmental Focus Reducing our Carbon Footprint Key programs and projects designed to: • • Expand Renewable Portfolio Integrate Distributed Energy Resources New Wind and Solar Resources • Aragorn Solar (180 MWs) has an expected COD of November 30, 2021 • Pandora Solar (250 MWs) is an outer year PPA with an unchanged expected COD of December 2023 9 Austin Energy Operational Update District Cooling Projects 10 Key District Energy & Cooling Activities District Cooling Plant #3 (Downtown, Crescent Tract) Austin Community College Highland Campus Constructing 10,000 ton chilled water plant for the Downtown System • Project is substantially complete Constructing a 6,000 ton chilled water plant with Thermal Energy Storage • Installing a new coupling, with new supports, and additional pipe reinforcements around piping • Contractor working on final completion punch- lists and close out documentation • Project still within budget • On-Target for substantial completion in Q4 2021 Domain Switchgear Upgrade • eFAT testing on transformers were successful • Delivery of switchgear by subcontractor will impact completion date • On-Target for substantial completion in Q2 2022 11 Austin Energy Operational Update Future State 12 Grid Resilience 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/2021) Phase II – Overall Distribution Resilience Program established, roll out (Q1/2022) 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 (Q2/2027) 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 – (Q2/2022) 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 (Q4/2022) 13 Austin Energy Operational Update Appendix 14