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W A T E R 1 E N E R G Y 1 L I F E PUBLIC UTILITIES RIVERSIDE PUBLIC UTILITIES Board Memorandum BOARD OF PUBLIC UTILITIES DATE: FEBRUARY 5, 2015 GENERAL MANAGERS REPORT ITEM NO: 13 SUBJECT: MONTHLY POWER SUPPLY REPORT — December 2015 Power Usage: Wholesale Load (Vista): — 172,433 MWH (Chart 1) Peak Demand: — 298 MW of which 248 MW came from RVSD available resources (Chart 2) RVSD Energy Mix (Chart 1): Resource MWH a) Nuclear 9,582 b) Coal 48,769 c) Large Hydroelectric 2,020 d) Natural Gas 1,594 e) Renewables 39,331 f) Other (BPA) - g) Inter SC Trades (18,100) h) Green Inter SC Trades - i) CAISO Purchases 89,433 Total: 172,433 Total Green Power Supply — 39,331 MWH which yields 22.81% of the Total Wholesale Load Requirement Resource Availability: Nuclear: Palo Verde units 1, 2 and 3 operated at 99.07% capacity factor for the month. Coal: IPP units 1 and 2 operated at 47.85% capacity factor for the month. Large Hydro: Hoover, RVSD's capacity entitlement was 20 MW, with energy entitlement of 2,020 MWH. Natural Gas: Clearwater's availability was 100.00% for the month. RERC's (Units 1, 2, 3 and 4) availability was 100.00% for the month. Springs's (Units 1, 2, 3 and 4) availability was 100.00% for the month. Renewable: Salton Sea units operated at 88.60% capacity factor for the month. Wintec operated at 21.30% capacity factor. WKN operated at 19.59% capacity factor. Tequesquite Solar operated at 15.77% capacity factor. AP North Lake Solar operated at 17.73% capacity factor. Camelot Solar operated at 17.74% capacity factor. Transwind operated at 9.45% capacity factor. The attached graphical comparisons represents RPU's December: Chart 1: Total Energy Requirements /Resource Mix Chart 2: Peak Hour Total Capacity Chart 3: Retail Customer Load Chart 4: Daily Peak Load and Temperature Comparisons Chart 5: Monthly Peak Load and Temperature