12-03-10 BPU RPT 13 - Laserfiche WebLink

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RIVERSIDE PUBLIC UTILITIES Boar PUBLIC U T I L I T I E 5 d Memorandum BOARD OF PUBLIC UTILITIES DATE: December 3, 2010 DIRECTOR'S REPORT ITEM NO: 13 SUBJECT: MONTHLY POWER SUPPLY REPORT—October 2010 POWER USAGE Total retail customer load requirements during October 2010 were 193,213 MWh, of which 153,284 MWh were provided by our resources and 42,781 MWh from purchases from the CAISO. The purchases from the CAISO were due the system constraints from the BPA resource and unexpected system outage from the SONGS Unit 3 resource. The retail customer load for October 2010 was 5.6% higher than the retail customer load in October 2009 (182,974 MWh). The actual peak system demand was 420 MW, compared to actual peak system demand of 384 MW last year. Energy returns were 3,000 MWh and 2,850 MWh were attributed to losses (3.35%). Green power supplied approximately 27.5% 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 57% capacity factor for the month. PVNGS: Palo Verde units 1, 2 and 3 operated at 63% capacity factor for the month. SONGS: SONGS unit 2 & 3 operated at 98% and 24% capacity factor respectively for the month. Hoover: 100% of RVSD's entitlement was met for the month. Clearwater: Clearwater's availability was 96% for the month. RERC: RERC Units 1 & 2 availability was 63% for the month. Springs: Springs units 1, 2, 3 and 4 availability was 97%for the month. Salton Sea: The Salton Sea units operated at 99% capacity factor for the month. TRANSMISSION: Pacific DC: The Sout, to North transmission line is currently derated to 975 MW (No ETR at this time) and the � arth 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 October 2009 and October 2010. AA Attachments cc: Bradley J. Hudson, City Manager