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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: AUGUST 7, 2015 <br />GENERAL MANAGERS REPORT <br />ITEM NO: 28 <br />SUBJECT: MONTHLY POWER SUPPLY REPORT — June 2015 <br />Power Usage: <br />Wholesale Load (Vista): — 215,057 MWH (Chart 1) <br />Peak Demand: — 510 MW of which 355 MW came from RVSD available resources (Chart 2) <br />RVSD Energy Mix (Chart 1): <br />Resource MWH <br />a) Nuclear 9,525 <br />b) Coal 53,548 <br />c) Large Hydroelectric 2,699 <br />d) Natural Gas 7,886 <br />e) Renewables 42,995 <br />f) Other (BPA) 27,160 <br />g) Inter SC Trades 31,200 <br />h) Green Inter SC Trades - <br />i) CAISO Purchases 40,044 <br />Total: 215,057 <br />Total Green Power Supply — 42,995 MWH which yields 19.99% of the Total Wholesale Load Requirement <br />Resource Availability: <br />Nuclear: Palo Verde units 1, 2 and 3 operated at 98.24% capacity factor for the month. <br />Coal: IPP units 1 and 2 operated at 54.29% capacity factor for the month. <br />Large Hydro: Hoover, RVSD's capacity entitlement was 20 MW, with energy entitlement of 2,699 MWH. <br />Natural Gas: Clearwater's availability was 100% for the month. <br />RERC's (Units 1, 2, 3 and 4) availability was 96.42% for the month. <br />Springs's (Units 1, 2, 3 and 4) availability was 97.50% for the month. <br />Renewable: Salton Sea units operated at 97.4% 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 47.77% capacity factor. <br />Transwind operated at 20.74% capacity factor. <br />The attached graphical comparisons represents RPU's June: <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 />