06-07-2013 BPU RPT 21 - Laserfiche WebLink

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W A t E R E N E R G Y - L I F E a III& RIVERSIDE PUBLIC UTILITIES PUBLIC UTILITIES Board Memorandum BOARD OF PUBLIC UTILITIES DATE: June 7, 2013 DIRECTOR'S REPORT ITEM NO: 21 SUBJECT: MONTHLY POWER SUPPLY REPORT—April 2013 POWER USAGE Total load requirements (including losses) during April 2013 were 178,479 MWh and 32,045 MWh of purchases from the CAISO, of which 146,434 MWh were provided by our resources and other purchases. The retail customer load for April 2013 (163,602 MWh) was 5.9% higher than the retail customer load in April 2012 (154,449 MWh). The actual peak system demand was 326 MW, compared to actual peak system demand of 377 MW last year. Energy returns were 2,906 MWh and 1,490 MWh were attributed to losses (4.21%). Green power supplied approximately 28.64% 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 23.67% capacity factor for the month. PVNGS: Palo Verde units 1, 2 and 3 operated at 61.18% capacity factor for the month. SONGS: Both SONGS units 2 and 3 operated at 0% capacity factor for the month. Hoover: 101.81% of RVSD's entitlement was met as compared to WAPA's Master Schedule (dated 5/14/12). Clearwater: Clearwater's availability was 100% for the month. RERC: RERC Station (Units 1,2,3 and 4) availability was 99.79%for the month. Springs: Springs units 1, 2, 3 and 4 availability was 37.78% for the month. Salton Sea: The Salton Sea units operated at 78.84% capacity factor for the month. TRANSMISSION: Pacific DC: The South to North transmission line is currently derated to 975 MW (ETR 06/30/2013) 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 April 2012 and April 2013. AA Attachments cc: Scott C. Barber, City Manager