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W A T E R I E N E R G Y I L I F E <br />-NP- RIVERSIDE PUBLIC UTILITIES <br />kl& <br />PUBLIC UTILITIES <br />Board Memorandum <br />BOARD OF PUBLIC UTILITIES DATE: JUNE 4, 2015 <br />GENERAL MANAGERS REPORT <br />ITEM NO: 18 <br />SUBJECT: MONTHLY POWER SUPPLY REPORT — April 2015 <br />Power Usage: <br />Wholesale Load (Vista): <br />Peak Demand: <br />RVSD Energy Mix (Chart 1): <br />Resource <br />a) Nuclear <br />b) Coal <br />c) Large Hydroelectric <br />d) Natural Gas <br />e) Renewables <br />f) Other (BPA) <br />g) Inter SC Trades <br />h) Green Inter SC Trades <br />i) CAISO Purchases <br />Total Green Power Supply <br />Requirement <br />Resource Availability: <br />168,838 MWH (Chart 1) <br />400 MW of which 255 MW came from RVSD available resources (Chart 2) <br />MWH <br />6,540 <br />24,215 <br />3,747 <br />1,417 <br />38,059 <br />1,710 <br />47,550 <br />93,149 <br />Total: 168,838 <br />38,059 MWH which yields 22.54% of the Total Wholesale Load <br />Nuclear: Palo Verde units 1, 2 and 3 operated at 69.87% capacity factor for the month. <br />Coal: IPP units 1 and 2 operated at 24.55% capacity factor for the month. <br />Large Hydro: Hoover, RVSD's capacity entitlement was 20 MW, with energy entitlement of 3,747 MWH. <br />Natural Gas: Clearwater's availability was 99.17% for the month. <br />RERC's (Units 1, 2, 3 and 4) availability was 98.85% for the month. <br />Springs's (Units 1, 2, 3 and 4) availability was 100% for the month. <br />Renewable: Salton Sea units operated at 83.89% capacity factor for the month. <br />Wintec operated at 37.88% capacity factor. <br />WKN operated at 16.67% capacity factor. <br />Camelot Solar operated at 43.64% capacity factor. <br />Transwind operated at 20.28% capacity factor. <br />The attached graphical comparisons represents RPU's December: <br />Chart 1: Total Energy Requirements /Resource Mix <br />Chart 2: Peak Hour Total Capacity <br />Chart 3: Retail Customer Load <br />Chart 4: Daily Peak Load and Temperature Comparisons <br />Chart 5: Monthly Peak Load and Temperature <br />