11-05-10 BPU RPT 15 - Laserfiche WebLink

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RIVERSIDE PUBLIC UTILITIES 7 I L [ T j E 5 Board Memorandum BOARD OF PUBLIC UTILITIES DATE: November 5, 2010 DIRECTOR'S REPORT ITEM NO: 15 SUBJECT: MONTHLY POWER SUPPLY REPORT—September 2010 POWER USAGE Total energy requirements during September 2010 were 218,925 MWh, of which 203,892 MWh were attributed to retail customer load and the remainder being sales to wholesale parties and system losses. The retail load for September 2010 was 10.7% lower than the retail energy load in September 2009 (228,391 MWh). The actual peak system demand was 576 MW, compared f actual peak system demand of 559 MW last year. Sales to wholesale parties, losses and energy returns represented 7.4% of the total energy requirement as compared to 11.5% for last year. Purchases from CAISO accounted for 8,288 MWh. Energy returns were 17,597 MWh and 5,556 MWh were attributed to losses (3.67%). Green power supplied approximately 17.5% 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 95%capacity factor for the month. PVNGS: Palo Verde units 1, 2 and 3 operated at 94% capacity factor for the month. SONGS: SONGS unit 2 &3 operated at 100% and 98% capacity factor respectively for the month. Hoover: 100% of RVSD's entitlement was met for the month. Clearwater: Clearwater's availability was 81%for the month. RERC: RERC Units 1 &2 availability was 95%for the month. Springs: Springs units 1, 2, 3 and 4 availability was 86%for the month. Salton Sea: The Salton Sea units operated at 100%capacity factor for the month. TRANSMISSION: Pacific DC: The South to North and the North to South lines are not operational, no ETR at this time. Attached are the charts of daily peaks and the graphical comparison of demand and energy supplied from each resource for the months of September 2009 and September 2010. AA Attachments cc: Bradley J. Hudson, City Manager