08-03-12 BPU RPT 14 - Laserfiche WebLink

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W A T E R E N E R G Y L I r RIVERSIDE PUBLIC UTILITIES �� &9&PUBLIC UTILITIES Board Memorandum BOARD OF PUBLIC UTILITIES DATE: August 3, 2012 GENERAL MANAGERS REPORT ITEM NO: 14 SUBJECT: MONTHLY POWER SUPPLY REPORT—June 2012 POWER USAGE Total load requirements (including losses) during June 2012 were 192,630 MWh and 8,449 MWh of purchases from the CAISO, of which 184,181 MWh were provided by our resources and other purchases. The retail customer load for June 2012 (188,375 MWh) was 22.5% higher than the retail customer load in June 2011 (153,804 MWh). The actual peak system demand was 416 MW, compared to actual peak system demand of 432 MW last year. Energy returns were 0 MWh and 3,845 MWh were attributed to losses (4.57%). Green power supplied approximately 16.03% of our retail energy requirements. The City's generation resources were available during the month as follows: UNIT OPERATION IPP: IPP units 1 and 2 operated at 53.81%capacity factor for the month. PVNGS: Palo Verde units 1, 2 and 3 operated at 100%capacity factor for the month. SONGS: Both SONGS units 2 and 3 operated at 0%capacity factor for the month. Hoover: 1001,,0 of RVSD's entitlement was met as compared to WAPA's Master Schedule (dated 6/16111). Clearwater: Clearwater's availability was 85.69%for the month. RERC: RERC Station (Units 1,2,3 and 4) availability was 98.35%for the month. Springs: Springs units 1, 2, 3 and 4 availability was 69.70%for the month. Salton Sea: The Salton Sea units operated at 89.35%capacity factor for the month. TRANSMISSION: Pacific DC: The South to North transmission line is currently derated to 975 MW (ETR 12/31/2012) and the North to South transmission line is operational at 2,990 MW. Attached are the charts of daily peaks and the graphical comparison of demand and energy supplied from each resource for the months of June 2011 and June 2012. AA Attachments cc: Scott C. Barber, City Manager