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W A T E R I E N E R G Y I l I E E RIVERSIDE PUBLIC UTILITIES =J WI& PUB L I C U T 1. 1 , 1 1- 5 Board Memorandum BOARD OF PUBLIC UTILITIES DATE: January 15, 2010 DIRECTOR'S REPORT ITEM NO: 13 SUBJECT: MONTHLY POWER SUPPLY REPORT— November 2009 POWER USAGE Total energy requirements during November 2009 were 198,911 MWh, of which 157,932 MWh were attributed to retail customer load and the remainder being sales to wholesale parties and system losses. The retail load for November 2009 was 3.9% lower than the retail energy load in November 2008. The actual peak system demand was 317 MW, compared to actual peak system demand of 324 MW last year. Sales to wholesale parties, losses and energy returns represented 25.9% of the total energy requirement as compared to 25.5% for last year. Sales to wholesale parties accounted for 11,283 MWh, which included 3,213 MWh in sales to the ISO. Energy returns were 24,150 MWh and 5,545 MWh were attributed to losses 3.92%. Green power supplied approximately 23.7% 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 85% capacity factor for the month. PVNGS: Palo Verde units 1 and 3 operated at 70% capacity factor for the month. Unit 2 is on scheduled refueling outage from 10/5/09— 12/02/09. SONGS: SONGS unit 3 operated at 100% capacity factor for the month. Unit 2 is on scheduled outage for generator replacement through 1/27/10. Deseret: The Bonanza unit operated at 83% capacity factor for the month due to unavailable transmission capacity, bag house issues, loss of mill. Hunter unit 2 operated at 96% capacity factor for the month due to opacity, SO3 skid failure, transmission constraints, valve test, mill maintenance, fuel control problems, and loss of mill. Hoover: Hoover operated at 66% availability for the month due to low water elevation in Lake Mead and various scheduled unit maintenances. Springs: Springs units 1, 2, 3 and 4 availability was 100% for the month. RERC: RERC Units 1 and 2 availability was 100% for the month. Salton Sea: The Salton Sea units operated at 99% capacity factor for the month. TRANSMISSION: Pacific DC: The line was de-rated due to repairs to damage caused by the Station Fire through April 2010. Attached are the charts of daily peaks and the graphical comparison of demand and energy supplied from each resource for the months of November 2009 and November 2008. AA Attachments cc: Bradley J. Hudson, City Manager