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RIVERSIDE PUBLIC UTILITIES <br />Board Memorandum <br />BOARD OF PUBLIC UTILITIES DATE JULY 9, 2018 <br /> GENERAL MANAGERS REPORT <br /> ITEM NO: 16 <br />SUBJECT: MONTHLY POWER SUPPLY REPORT May, 2018 <br />Power Usage: <br /> <br />Wholesale Load (Vista): 174,964 MWH (Chart 1) <br />Peak Demand: 374 MW of which 282 MW came from RVSD available resources (Chart 2) <br />RVSD Energy Mix (Chart 1): <br />Resource MWH <br /> <br /> <br />a) Nuclear 8,664 <br /> <br />b) Coal 45,405 <br /> <br />c) Large Hydroelectric 3,279 <br />d) Natural Gas 3,601 <br /> <br />e) Renewables 90,392 <br /> <br />f) Inter SC Trades - <br /> <br />g) Green Inter SC Trades - <br />h) CAISO Purchases 23,623 <br />Total: 174,964 <br /> <br />Total Green Power Supply 90,392 MWH which yields 51.66% of the Total Wholesale Load Requirement <br />Resource Availability: <br />Nuclear: Palo Verde units 1, 2 and 3 operated at 89.58% capacity factor for the month. <br /> <br />Coal: IPP units 1 and 2 operated at 44.55% capacity factor for the month. <br /> <br />Large Hydro: 20 MW, with energy entitlement of 3,279 MWH. <br />Natural Gas: 100.00% for the month. <br /> RERC (Units 1, 2, 3 and 4) availability was 90.09% for the month. <br /> Springs (Units 1, 2, 3 and 4) availability was 97.04% for the month. <br /> <br />Renewable: Salton Sea units operated at 100.00% capacity factor for the month. <br />Vulcan unit operated at 85.45% capacity factor for the month. <br />Wintec operated at 57.96% capacity factor. <br />WKN operated at 70.77% capacity factor. <br />Transwind operated at 30.98% capacity factor. <br />Kingbird Solar operated at 45.15% capacity factor. <br />Tequesquite Solar operated at 24.20% capacity factor. <br />AP North Lake Solar operated at 31.38% capacity factor. <br />Camelot Solar2 operated at 43.79% capacity factor. <br />Bigsky Solar3 operated at 44.40% capacity factor. <br />Bigsky Solar7 operated at 42.10% capacity factor. <br />Bigsky Solar1X operated at 42.92% capacity factor. <br /> <br />The attached graphical comparisons represents May: <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 />Page 202 <br />