20171026Staff 1-8 to Avista.pdf

DAPI{NE HUANG
DEPUTY ATTORNEY GENERAL
IDAHO PUBLIC UTILITIES COMMISSION
PO BOX 83720
BOISE, IDAHO 83720-0074
[phone]
IDAHO BAR NO. 8370
Street Address for Express Mail:
472 W, WASHINGTON
BOISE, IDAHO 83702-5918
Attorney for the Commission Staff
BEFORB THE IDAHO PUBLIC UTILITIES COMMISSION
IN THE MATTER OF AVISTA
CORPORATION' S 2017 ELECTRIC
INTEGRATED RESOURCE PLAN.
CASE NO. AVU.E.17-08
FIRST PRODUCTION
REQUEST OF THE
COMMISSION STAFF TO
AVISTA CORPORATION
The Staff of the Idaho Public Utilities Commission, by and through its attorney of record,
Daphne Huang, Deputy Attorney General, request that Avista Corporation (Company) provide
the following documents and information as soon as possible, or by THURSDAY,
NOVEMBER 16,2017.
This Production Request is continuing, and the Company is requested to provide, by way
of supplementary responses, additional documents that it or any person acting on its behalf may
later obtain that will augment the documents produced.
Please provide answers to each question, and supporting workpapers that provide detail
or are the source of information used in calculations. The Company is reminded that responses
pursuant to Commission Rules of Procedure must include the name and phone number of the
person preparing the document, and the name, location and phone number of the record holder-
and if different, the witness- who can sponsor the answer at hearing if need be. Reference
IDAPA 31.01.01.228.
ocroBER 26,2017
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FIRST PRODUCTION REQUEST
TO AVISTA
In addition to the written copies provided as response to the questions, please provide all
Excel and electronic files on CD with formulas activated.
REQUEST NO. 1: Please provide a copy of the contract for the Lancaster Power
Purchase Agreement.
REQUEST NO. 2: Please provide the schedule showing the date in service of the
Lancaster plant and the expected life of that plant.
REQUEST NO. 4: Please provide a schedule that shows the future planned capital
expenditures for the Colstrip Power Plant Units 3 and 4. For each expense, please provide the
total amount of the expense, Avista's share of the expense, and a description of each expense.
REQUEST NO. 5: Please provide a schedule showing the common costs for the
Colstrip plant. Please include a description of each cost category and the dollar amount in each
category that is likely to be eliminated or increased by the closing of Colstrip Unit 1 and 2.
Please provide the total cost and Avista's share of the total.
REQUEST NO. 6: Please provide a schedule showing all owners of the Colstrip Power
Plant. Please include their percentage ownership of each unit and each owner's preferred
retirement date for each unit.
REQUEST NO.7: Page 9-3 of the 2017 Electric IRP includes Table 9.1 "Natural Gas-
Fired Plant Levelized Costs per MWH." Please provide the source documentation and
workpapers for all amounts listed in that table. Workpapers should be provided in electronic
format with all formulas intact. Please include a description and justification for the
methodologies used to calculate those amounts.
FIRST PRODUCTION REQUEST
TO AVISTA ocroBER 26,20172
REQUEST NO. 3: Please provide a copy of the management contract for the Colstrip
Power Plant.
REQUEST NO 8: Page 9-5 of the 2017 Electric IRP includes Table 9.2 "Natural Gas-
Fired Plant Cost and Operational Characteristics." Please provide the source documentation and
workpapers for all amounts listed in that table. Workpapers should be provided in electronic
format with all formulas intact. Please include a description and justification for the
methodologies used to calculate those amounts.
Dated at Boise, Idaho, this ?/90^rof October 2017
Daphne
Deputy Attorney General
Technical Staff: Joe Terry (l-8)
i:umisc:prodreq/avuel 7.8djhjt prod reql
FIRST PRODUCTION REQUEST
TO AVISTA J ocToBER 26,2017
CERTIFICATE OF SERVICE
I HEREBY CERTIFY THAT I HAVE THIS 26th DAY OF OCTOBER 2017,
SERVED THE FOREGOING FIRST PRODUCTION REQUEST OF THE
COMMISSION STAFF TO AVISTA CORPORATION, IN CASE NO. AVU-E-17-08,
BY MAILING A COPY THEREOF, POSTAGE PREPAID, TO THE FOLLOWING:
LINDA GERVAIS
MGR REGULATORY POLICY
AVISTA CORPORATION
PO BOX3727
SPOKANE W A 99220-3727
E-mail: [e-mail]
DAVID J MEYER
VP & CHIEF COUNSEL
AVISTA CORPORATION
PO BOX3727
SPOKANE WA99220-3727
E-mail: [e-mail]
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CERTIFICATE OF SERVICE