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WATER i ENERGY I LIF E <br />RIVERSIDE PUBLIC UTILITIES <br />ld& <br />PUBLIC UTILITIES <br />Board Memorandum <br />BOARD OF PUBLIC UTILITIES DATE MAY 13, 2019 <br />GENERAL MANAGERS REPORT <br />ITEM NO: <br />SUBJECT: MONTHLY POWER SUPPLY REPORT — March, 2019 <br />Power Usage: <br />Wholesale Load (Vista): — 158,076 MWH (Chart 1) <br />Peak Demand: — 265 MW of which 230 MW came from RVSD available resources (Chart 2) <br />RVSD Enerav Mix (Chart 1 <br />Total Green Power Supply — 46,272 MWH which yields 29.27% of the Total Wholesale Load Requirement <br />Resource Availabilit <br />Nuclear: Palo Verde units 1, 2 and 3 operated at 91.86% capacity factor for the month. <br />Coal: IPP units 1 and 2 operated at 50.66% capacity factor for the month. <br />Large Hydro: Hoover, RVSD's capacity entitlement was 20 MW, with energy entitlement of 2,466 MWH. <br />Natural Gas: Clearwater's availability was 79.84% for the month. <br />RERC's (Units 1, 2, 3 and 4) availability was 93.49% 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 4.98% capacity factor for the month <br />Resource <br />MWH <br />a) <br />Nuclear <br />8,885 <br />b) <br />Coal <br />51,632 <br />c) <br />Large Hydroelectric <br />2,466 <br />d) <br />Natural Gas <br />8,420 <br />e) <br />Renewables <br />46,272 <br />f) <br />Inter SC Trades <br />- <br />g) <br />Green Inter SC Trades <br />- <br />h) <br />CAISO Purchases <br />40,401 <br />Chart 3: <br />Total: <br />158,076 <br />Total Green Power Supply — 46,272 MWH which yields 29.27% of the Total Wholesale Load Requirement <br />Resource Availabilit <br />Nuclear: Palo Verde units 1, 2 and 3 operated at 91.86% capacity factor for the month. <br />Coal: IPP units 1 and 2 operated at 50.66% capacity factor for the month. <br />Large Hydro: Hoover, RVSD's capacity entitlement was 20 MW, with energy entitlement of 2,466 MWH. <br />Natural Gas: Clearwater's availability was 79.84% for the month. <br />RERC's (Units 1, 2, 3 and 4) availability was 93.49% 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 4.98% capacity factor for the month <br />Vulcan unit operated at 60.32% capacity factor for the month. <br />Wintec operated at 45.54% capacity factor. <br />WKN operated at 11.64% capacity factor. <br />Transwind operated at 17.49% capacity factor. <br />Kingbird Solar operated at 30.92% capacity factor. <br />Tequesquite Solar operated at 23.36% capacity factor. <br />AP North Lake Solar operated at 23.01 % capacity factor. <br />Camelot Solar2 operated at 33.13% capacity factor. <br />Bigsky Solar3 operated at 28.67% capacity factor. <br />Bigsky Solar7 operated at 29.13% capacity factor. <br />Bigsky Solarl X operated at 31.33% capacity factor. <br />The attached graphical comparisons represents RPU's March: <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 />