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Options for the allocation of auxiliary Options for the allocation of auxiliary

Options for the allocation of auxiliary - PowerPoint Presentation

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Uploaded On 2019-11-08

Options for the allocation of auxiliary - PPT Presentation

Options for the allocation of auxiliary e quipment p ower c ost and Consumption Ino González RCWG March 12 2019 Verifiable Cost VC Manual requires a Resources Heat Rate to be based on Net Generation ID: 764613

auxiliary consumption equipment power consumption auxiliary power equipment generation cost determine amp electricity include input based heat manual curve

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Options for the allocation of auxiliary e quipment p ower c ost and Consumption Ino González RCWG March 12, 2019

Verifiable Cost (VC) Manual requires a Resource’s Heat Rate to be based on Net Generation Where, Net Generation = Gross Generation - Auxiliary Power requirementsSome Generators operate auxiliary equipment utilizing power from third service providers and want to include the costs of electricity as a variable cost. Currently, the VC Manual allows for the recovery of electricity consumption only for energizing the generator and included with Startup O&M.The VC Manual also allows for the recovery of auxiliary equipment power consumption cost as part of the variable O&M. Available options:Include power consumption in heat ratesInclude power consumption cost in O&M, orNot include in either a. or b. above Auxiliary Equipment Power Costs 2

Power consumption for auxiliary equipment can be included in the Input/ Outpu (I/O) curve using the following methodology:Based on invoices or other supporting documentation, determine the total auxiliary equipment consumption for the period(s) in which electricity was purchased from a third provider: AuxEquipConsumptionFor the same period(s) determine the total generation injected into the grid: GenToGridCalculate the ratio ADJ = AuxEquipConsumption / GenToGridPrior to determine the I/O curve, for each data point:calculate the adjusted output (MW) = actual output (MW) * (1-ADJ)keep the input the same (MMBtu/Hr)Determine the I/O curve and A-D coefficients based on the actual input and the adjusted output. Adjusted Heat Rates for Auxiliary Equipment Consumption 3

Questions? 4