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W A T E R I ENERGY I LIFE <br />E3WN RIVERSIDE PUBLIC UTILITIES <br />&9& <br />P U B L I C U T I L I T I E S Board Memorandum <br />BOARD OF PUBLIC UTILITIES DATE: SEPTEMBER 9, 2019 <br />GENERAL MANAGERS REPORT <br />ITEM NO: 12 <br />SUBJECT: MONTHLY POWER SUPPLY REPORT — July, 2019 <br />Power Usage: <br />Wholesale Load (Vista): — 241,046 MWH (Chart 1) <br />Peak Demand: — 581 MW of which 410 MW came from RVSD available resources (Chart 2) <br />RVSD Energy Mix (Chart 1): <br />Clearwater's availability was 100.00% for the month. <br />Resource <br />a) <br />Nuclear <br />b) <br />Coal <br />c) <br />Large Hydroelectric <br />d) <br />Natural Gas <br />e) <br />Renewables <br />f) <br />Inter SC Trades <br />g) <br />Green Inter SC Trades <br />h) <br />CAISO Purchases <br />Total Green Power Supply <br />MWH <br />9,336 <br />48,401 <br />2,792 <br />5,559 <br />91,936 <br />79,063 <br />Total: 241,046 <br />91,936 MWH which yields 38.14% of the Total Wholesale Load Requirement <br />Resource Availability: <br />Nuclear: Palo Verde units 1, 2 and 3 operated at 96.53% capacity factor for the month. <br />Coal: IPP units 1 and 2 operated at 47.49% capacity factor for the month. <br />Large Hydro: Hoover, RVSD's capacity entitlement was 21 MW, with energy entitlement of 2,792 MWH. <br />Natural Gas: <br />Clearwater's availability was 100.00% for the month. <br />RERC's (Units 1, 2, 3 and 4) availability was 100.00% for the month. <br />Springs's (Units 1, 2, 3 and 4) availability was 98.76% for the month. <br />Renewable: <br />Salton Sea units operated at 87.37% capacity factor for the month. <br />Vulcan unit operated at 82.40% capacity factor for the month. <br />Wintec operated at 33.79% capacity factor. <br />WKN operated at 54.85% capacity factor. <br />Transwind operated at 20.86% capacity factor. <br />Kingbird Solar operated at 43.92% capacity factor. <br />Tequesquite Solar operated at 30.60% capacity factor. <br />AP North Lake Solar operated at 32.18% capacity factor. <br />Camelot Solar2 operated at 42.12% capacity factor. <br />Bigsky Solar3 operated at 43.12% capacity factor. <br />Bigsky Solar7 operated at 41.07% capacity factor. <br />Bigsky Solarl X operated at 43.94% capacity factor. <br />The attached graphical comparisons represents RPU's July: <br />Chart 1: <br />Total Energy Requirements/Resource Mix <br />Chart 2: <br />Peak Hour Total Capacity <br />Chart 3: <br />Retail Customer Load <br />Chart 4: <br />Daily Peak Load and Temperature Comparisons <br />Chart 5: <br />Monthly Peak Load and Temperature <br />