Item 17: 1QFY21 Operations Report — original pdf

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Austin Energy Operational Update Q1 FY21 Item 17 Electric Utility Commission Sidney Jackson Chief Operating Officer, Austin Energy February 08, 2021 © 2018 Austin Energy 1 Austin Energy Operational Update Vision Powering a cleaner, brighter future with customer- driven, community-focused solutions. Mission Safely deliver clean, affordable, reliable energy and excellent customer service. Discussion Topics 1. Power Generation & Renewables 2. District Cooling Updates 3. System Reliability 4. Other:  Jan 10th Outage Event in review  Renewable updates 2 Austin Energy Operational Update Performance Commercial Availability & Start Success Generation Resource Target Seasonal Commercial % Availability Decker Steam Units Sand Hill Combined Cycle Fayette Units South Texas Project 95 95 97 100 Commercial Availability Actuals (%) Q4 FY20 AVG Q1 FY21 AVG 89 95 100 100 39 69 97 100 Start Success Simple Cycle Start Success 99 Start Success Target(%) Start Success Actuals (%) Q1 FY21 Q4 FY20 AVG AVG 100 100 3 Net Generation and Load Analysis FY 2021 Q1 Power Generation Cost by Fuel Type Consumption vs. Generation (GWh) 19% 7% 16% 59% 3,134 4,000 3,000 2,000 1,000 0 3,353 440 940 679 1,294 Renewables Coal *Costs include fuel for generation, fuel transportation, renewable Power purchases agreements Nuclear Natural Gas Consumption Generation Renewables Coal Nuclear Natural Gas Historical FY Q1 System Peak Demand (MW) Renewable Power as Percent of Consumption 3,000 2,800 2,600 2,400 2,200 2,000 2,338 2,274 2,238 2,220 2,437 2017 2018 2019 2020 2021 59% Non-renewables Renewables 41% This information is unaudited and should be read in conjunction with the audited Comprehensive Financial Reports for the City of Austin, when published on 4 Renewable Resources Update Renewable Generation as a Percentage of Load 50% 50% 49% 49% 46% 43% 38% 33% 35% 35% 48% 41% Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20 5 60% 50% 40% 30% 20% 10% 0% District Energy & Cooling Activities District Cooling Plant #3 (Downtown, Crescent Tract) Constructing 10,000 ton chilled water plant for the Downtown System • Chiller building and cooling towers are complete • Start-up and commissioning of major mechanical and electrical equipment is ongoing • Art in Public Places structure erection is complete • Remaining work: finishing aesthetic façade, site paving, landscaping, and cleanup • On-Target for substantial completion in April 2021 Austin Community College Highland Campus Constructing a 6,000 ton chilled water plant with Thermal Energy Storage • Chillers, switchgear, pump, piping, TES tank, cooling tower, and other plant appurtenances are all on site and being installed in accordance to schedule and manufacturers recommendations • On-Target for substantial completion in Q2 2021 District Cooling Plant #4 (Downtown, Convention Center) 3,000 ton chilled water facility on roof of Convention Center • Project Completed Q3 2020 Mueller Energy Center #2 (Mueller Redevelopment Zone) Constructing a 6,000 ton chilled water plant with Thermal Energy Storage • Design and equipment selection in-progress • Targeted for substantial completion in Q2 2022 6 Distribution Grid Resilience Grid Resilience Metric On Target FY 2021 Target System Average Interruption Duration Index (SAIDI) System Average Interruption Frequency Index (SAIFI) Customers Experiencing Multiple Interruptions (CEMI) *n=04; Number of customers with interruptions>=n Yes Yes Yes Last Reported Value Variance 57.00 0.7 55.96 (FY20) 0.68 (FY20) 1.04 0.02 7% Rolling 365: 1.92% 5.08% Project Updates: Improve Distribution System Reliability Worst Performing Feeders (WPF) and Wildfire Mitigation Feeders (WFM) identified; 36 IR line inspections completed as of 11/16/20; Vegetation management work under way Improve Substation Reliability Fiskville MB1 upgrade – Design complete, and construction begun; On track to complete 02/26/21 pending approved ERCOT outages Improve Underground Network Reliability GIS- Data modeling and testing complete; ADMS- go live completed 9/20/2020 Downtown network model “live” as of 9/25/2020; Full network modeled Q4FY21 Transmission System of the Future 08/31/20- RFP development in discovery phase; Conduct guidelines developed and distributed for signature; Team working on solicitation for consultant Q3FY21 7 Snow Event - Jan 10-11 Outage Restoration  Outage Start: Jan 10th 10:52 AM  Outage End: Jan 11th 10:29 AM  Up to 4” of snow received across region. Relatively little wind. Outage Stats: • 66,345 customer affected • 6,933 customer calls • Distribution Breakers Tripped – 32 circuits Outage Characteristics: • No distribution poles down • Vegetation contacts – common failure mode (falling branches, vegetation contacts) • System Protection effectively protected public while successfully isolating electrical faults 8 Environmental Focus Renewable Initiatives Austin-Bergstrom Airport Project (ABIA) • Parking on 6th floor opened on 12/17/2020 • Contractor working up pricing for bollard installation on 6th floor for raceways extending up thru the parking deck • Shutdown for System A,B & C was scheduled on 1/19/2021 to reconnect the equipment and was completed • On-Target for substantial completion in February 2021 New Wind and Solar Resources • Raymond Wind Farm (200 MWs) achieved PPA COD on December 29, 2020 • Gulf Wind Farm’s (170 MWs) expected COD is now mid-February • Pflugerville Solar (144 MWs) and Aragon Solar (180 MWs) are both expected to achieve COD in Q3 2021 9 Austin Energy Operational Update Conclusion/Questions 10