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W ATE R E N E R G Y t 'i RIVERSIDE PUBLIC UTILITIES >' u 6 L I C U T I L IT I E 5 Board Memorandum BOARD OF PUBLIC UTILITIES DATE: October 5, 2012 GENERAL MANAGER'S REPORT ITEM NO: 14 SUBJECT: MONTHLY POWER SUPPLY REPORT—Aunust 2012 Pmt WER_USAGE Total load requirements (including losses) during August 2012 were 234,860 MWh and 24,398 MWh of purchases from the CA1SO, of which 210,462 MWh were provided by our resources and other purchases. The retail customer load for August 2012 (230,929 MWh)was 5.8% higher than the retail customer load in August 2011 (218,187 MWh). The actual peak system demand was 592 MW, compared to actual peak system demand of 553 MW last year. Energy returns were 0 MWh and 3,896 MWh were attributed to losses (4.4%). Green power supplied approximately 10.28% 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 67.55°/ capacity factor for the month. PVNGS: Palo Verde units 1, 2 and 3 operated at 92.29%capacity factor for the month. SONGS: Both SONGS units 2 and 3 operated at 0%capacity factor for the month. Hoover: 92.99% of RVSD's entitlement was met as compared to WAPA's Master Schedule(dated 6116111). Clearwater: Clearwater's availability was 94.62%for the month. RERC: RERC Station (Units 1,2,3 and 4)availability was 97.96%for the month. Springs: Springs units 1, 2, 3 and 4 availability was 98.86%for the month. Salton Sea: The Salton Sea units operated at 68.48%capacity factor for the month. TRANSMISSION: Pacific DC: The South to North transmission line is currently derated to 975 MW(ETR 1213112012) 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 August 2011 and August 2012. AA Attachments cc: Scott C. Barber, City Manager