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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: JULY 10, 2015 <br />GENERAL MANAGERS REPORT <br />ITEM NO: 19 <br />SUBJECT: MONTHLY POWER SUPPLY REPORT — May 2015 <br />Power Usage: <br />Wholesale Load (Vista): — 172,322 MWH (Chart 1) <br />Peak Demand: — 391 MW of which 266 MW came from RVSD available resources (Chart 2) <br />RVSD Energy Mix (Chart 1): <br />Resource MWH <br />a) <br />Nuclear <br />8,736 <br />b) <br />Coal <br />49,643 <br />c) <br />Large Hydroelectric <br />2,849 <br />d) <br />Natural Gas <br />867 <br />e) <br />Renewables <br />45,478 <br />f) <br />Other (BPA) <br />28,795 <br />g) <br />Inter SC Trades <br />10,000 <br />h) <br />Green Inter SC Trades <br />- <br />i) <br />CAISO Purchases <br />25,953 <br />Total: <br />172,322 <br />Total Green Power Supply — <br />45,478 MWH which yields 26.39% of the Total Wholesale Load <br />Requirement <br />Resource Availabilit <br />Nuclear: Palo Verde units 1, 2 and 3 operated at 90.32% capacity factor for the month. <br />Coal: IPP units 1 and 2 operated at 48.70% capacity factor for the month. <br />Large Hydro: Hoover, RVSD's capacity entitlement was 20 MW, with energy entitlement of 2,849 MWH. <br />Natural Gas: Clearwater's availability was 91.26% for the month. <br />RERC's (Units 1, 2, 3 and 4) availability was 99.61% for the month. <br />Springs's (Units 1, 2, 3 and 4) availability was 89.82% for the month. <br />Renewable: Salton Sea units operated at 99.10% 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 48.18% capacity factor. <br />Transwind operated at 22.24% 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 />