20150901AVU to Staff 2.docx

AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMATIONJURISDICTION:IDAHODATE PREPARED:08/21/2015CASE NO.:AVU-E-15-07WITNESS:William JohnsonREQUESTER:IPUCRESPONDER:William JohnsonTYPE:Production RequestDEPARTMENT:Power SupplyREQUEST NO.:Staff-002TELEPHONE:[phone]REQUEST:
Please provide the amount of system energy (in MWh’s) used to derive the authorized net power costs for accounts 555, 447, 501, 547, 456, 565, and 557 for each month of the deferral period (July 2014 through June 2015). Please provide these in Excel format.RESPONSE:
Please see Staff_PR_002Attachment A. This attachment is the AURORA model output worksheet from the general rate case that established the authorized net power costs for accounts 555, 447, 501, and 547. The “Energy (GWh)” tab shows the energy in GWh for generation, purchases and sales. Generation and purchases are positive numbers and sales are negative numbers. There is no associated energy for accounts 456, 565, and 557 as these are transmission and resource optimization accounts.