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RIVERSIDE PUBLIC UTILITIES P U B L 1 C U T I L I T I E S Board Memorandum BOARD OF PUBLIC UTILITIES DATE: December 2, 2011 DIRECTOR'S REPORT ITEM NO: 14 SUBJECT: MONTHLY POWER SUPPLY REPORT—October 2011 POWER USAGE Total load requirements (including losses) during October 2011 were 199,021 MWh and 12,641 MWh of purchases from the CAISO, of which 186,380 MWh were provided by our resources and purchases. The retail customer load for October 2011 (191,595 MWh) was 0.8% lower than the retail customer load in October 2410 (193,213 MWh). The actual peak system demand was 453 MW, compared to actual peak system demand of 420 MW last year. Energy returns were 2,880 MWh and 4,546 MWh were attributed to losses (3.38%). Green power supplied approximately 21.29% 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 91.51% capacity factor for the month. PVNGS: Palo Verde units 1, 2 and 3 operated at 71.18% capacity factor for the month. SONGS: SONGS units 2 and 3 operated at 99.95% and 99.85% capacity factor respectively for the month. Hoover: 93.85% of RVSD's monthly entitlement was met. Clearwater: Clearwater's availability was 100%for the month. RERC: RERC Station (Units 1,2,3 and 4) availability was 85.27% for the month. Springs: Springs units 1, 2, 3 and 4 availability was 91.85% for the month. Salton Sea: The Salton Sea units operated at 88.36% capacity factor for the month. TRANSMISSION: Pacific DC: The South to North transmission line is currently derated to 975 MW (ETR 12131/2012) 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 October 2010 and October 2011. AA Attachments cc: Scott C. Barber, Interim City Manager