PacifiCorp 2007 Integrated Resource Plan (May 30, 2007)

PacifiCorp – 2007 IRPChapter 5 – Resource OptionsClass 3 Demand-side ManagementTables 5.9 and 5.10 summarize the key attributes for three DSM Class 3 program subcategories(curtailable rates, critical peak pricing and demand buyback) for the west and east control arearespectively. Attributes are provided for three scenarios: low, base, and high achievable potential.These scenarios reflect PacifiCorp assumed on-peak electricity market prices of $40/MWh,$60/MWh, and $100/MWh respectively, as well as incrementally higher marketing efforts, programcosts, and customer participation levels. Appendix B provides more information on howthe Class 3 DSM attributes were derived.Table 5.9 – Class 3 DSM Program Attributes, West Control AreaAttributesCurtailableRatesCritical PeakPricingDemandBuybackVariable Costs ($/MWh) $ - $ - Market PricesDemand Reduction Period (Hours) 4 4 10Start Year 2009 2009 2009BASETotal Achievable Potential --Maximum (MW) 21 3 8Resource Costs ($/kW/yr) $ 50 $ 56 $ 14LOWTotal Achievable Potential --Maximum (MW) 9 0 3Resource Costs ($/kW/yr) $ 39 $ 136 $ 14HIGHTotal Achievable Potential --Maximum (MW) 26 5 18Resource Costs ($/kW/yr) $ 86 $ 48 $ 19Hours Available by MonthJanuary - - -February - - -March - - -April - - -May - - -June - - -July 69 69 129August 18 18 46September - - -October - - -November - - -December - - -109