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W A T E R I E N E R G Y I L I F E <br />RIVERSIDE PUBLIC UTILITIES <br />PUBLIC UTILITIES Board Memorandum <br />BOARD OF PUBLIC UTILITIES DATE JULY 8, 2019 <br />GENERAL MANAGERS REPORT <br />ITEM NO: <br />SUBJECT: MONTHLY POWER SUPPLY REPORT — May, 2019 <br />Power Usage: <br />Wholesale Load (Vista): — 162,751 MWH (Chart 1) <br />Peak Demand: — 298 MW of which 270 MW came from RVSD available resources (Chart 2) <br />RVSD Enerav Mix (Chart 1 <br />Total Green Power Supply — 89,315 MWH which yields 54.88% of the Total Wholesale Load Requirement <br />Resource Availabilit <br />Nuclear: Palo Verde units 1, 2 and 3 operated at 86.60% capacity factor for the month. <br />Coal: IPP units 1 and 2 operated at 41.51% capacity factor for the month. <br />Large Hydro: Hoover, RVSD's capacity entitlement was 21 MW, with energy entitlement of 3,268 MWH. <br />Natural Gas: Clearwater's availability was 100.00% for the month. <br />RERC's (Units 1, 2, 3 and 4) availability was 67.25% for the month. <br />Springs's (Units 1, 2, 3 and 4) availability was 100.00% for the month. <br />Renewable: Salton Sea units operated at 97.29% capacity factor for the month <br />Resource <br />MWH <br />a) <br />Nuclear <br />8,376 <br />b) <br />Coal <br />42,308 <br />c) <br />Large Hydroelectric <br />3,268 <br />d) <br />Natural Gas <br />3,394 <br />e) <br />Renewables <br />89,315 <br />f) <br />Inter SC Trades <br />- <br />g) <br />Green Inter SC Trades <br />- <br />h) <br />CAISO Purchases <br />16,090 <br />Peak Hour Total Capacity <br />Total: <br />162,751 <br />Total Green Power Supply — 89,315 MWH which yields 54.88% of the Total Wholesale Load Requirement <br />Resource Availabilit <br />Nuclear: Palo Verde units 1, 2 and 3 operated at 86.60% capacity factor for the month. <br />Coal: IPP units 1 and 2 operated at 41.51% capacity factor for the month. <br />Large Hydro: Hoover, RVSD's capacity entitlement was 21 MW, with energy entitlement of 3,268 MWH. <br />Natural Gas: Clearwater's availability was 100.00% for the month. <br />RERC's (Units 1, 2, 3 and 4) availability was 67.25% for the month. <br />Springs's (Units 1, 2, 3 and 4) availability was 100.00% for the month. <br />Renewable: Salton Sea units operated at 97.29% capacity factor for the month <br />Vulcan unit operated at 70.18% capacity factor for the month. <br />Wintec operated at 63.43% capacity factor. <br />WKN operated at 61.96% capacity factor. <br />Transwind operated at 23.07% capacity factor. <br />Kingbird Solar operated at 38.24% capacity factor. <br />Tequesquite Solar operated at 24.68% capacity factor. <br />AP North Lake Solar operated at 26.14% capacity factor. <br />Camelot Solar2 operated at 38.67% capacity factor. <br />Bigsky Solar3 operated at 39.41 % capacity factor. <br />Bigsky Solar7 operated at 36.64% capacity factor. <br />Bigsky Solarl X operated at 38.33% capacity factor. <br />The attached graphical <br />comparisons represents RPU's May: <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 />