02-01-2013 BPU RPT 13 - Laserfiche WebLink

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,. RIVERSIDE PUBLIC UTILITIES PUBLIC UTILITIES Board Memorandum BOARD OF PUBLIC UTILITIES DATE: February 1, 2013 DIRECTOR'S REPORT ITEM NO: 13 SUBJECT: MONTHLY POWER SUPPLY REPORT--December 2012 POWER USAGE Total bad requirements (including losses) during December 2012 were 193,320 MWh and 27,925 MWh of purchases from the CAISO, of which 165,395 MWh were provided by our resources and other purchases. The retail customer load for December 2012 (164,686 MWh) was 1.7% higher than the retail customer bad in December 2011 (161,932 MWh). The actual peak system demand was 301 MW, compared to actual peak system demand of 304 MW last year. Energy returns were 22,528 MWh and 3,656 MWh were attributed to losses (4.29%). Green power supplied approximately 17.75% of our retail energy requirements. The City's generation resources were available during the month as follows: UNIT OPERATION PP: IPP units 1 and 2 operated at 71.88% capacity factor for the month. PVNGS: Palo Verde units 1, 2 and 3 operated at 86.41% capacity factor for the month. SONGS: Both SONGS units 2 and 3 operated at 0% capacity factor for the month. Hoover: 104.15% of RVSD's entitlement was met as compared to WAPA's Master Schedule (dated 5114112). Clearwater: Clearwater's availability was 82.12%for the month. RERC: RERC Station (Units 1,2,3 and 4) availability was 64.83%for the month. Springs: Springs units 1, 2, 3 and 4 availability was 99.87%for the month. Salton Sea: The Salton Sea units operated at 48.31% capacity factor for the month. TRANSMISSION: Pacific DC: The South to North transmission line is currently derated to 975 MW (ETR 0313112013) 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 December 2011 and December 2012. AA Attachments cc: Scott C. Barber, City Manager