20150904AVU to Staff 99.docx

AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMATIONJURISDICTION:IDAHODATE PREPARED:09/02/2015CASE NO.:AVU-E-15-05/AVU-G-15-01WITNESS:Jennifer SmithREQUESTER:IPUCRESPONDER:Annette BrandonTYPE:Production RequestDEPARTMENT:State & Federal RegulationREQUEST NO.:Staff–099TELEPHONE:[phone]REQUEST: NO.: Please provide the most recent updates to the Company's Net Periodic Pension Expense.RESPONSE:
Please see Avista's response 099C, which contains TRADE SECRET, PROPRIETARY or CONFIDENTIAL information and exempt from public view and is separately filed under IDAPA 31.01.01, Rule 067 and 233, and Section 9-340D, Idaho Code, and pursuant to the Protective Agreement between Avista and IPUC Staff dated June 4, 2015.Please see Staff_PR_099C Confidential Attachment A for the most recent Pension and Post Retirement estimate for 2014-2019 from the Company’s independent actuarial company, Towers Watson.
Idaho’s portion of this change is an increase of approximately $425,000 ($428,000 revenue requirement) for electric and $114,000 ($115,000 revenue requirement) gas.