200305151st Request of Staff.pdf

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LISA NORDSTROM
DEPUTY ATTORNEY GENERAL
IDAHO PUBLIC UTILITIES COMMISSION
PO BOX 83720
BOISE, IDAHO 83720-0074
[phone]
BAR NO. 5733
RECEIVED
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2003 MAY I 5 AMI!: 52
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UTILITIES COMMISSION
Street Address for Express Mail:
472 W. WASHINGTON
BOISE, IDAHO 83702-5983
Attorney for the Commission Staff
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION
IN THE MATTER OF THE APPLICATION
OF IDAHO POWER COMPANY FOR
AUTHORITY TO INSTITUTE REVISED
DEPRECIATION RATES FOR ELECTRIC
PLANT IN SERVICE.
CASE NO. IPC-03-
FIRST PRODUCTION REQUEST
OF THE COMMISSION STAFF
TO IDAHO POWER COMPANY
The Staff of the Idaho Public Utilities Commission, by and through its attorney of record
Lisa Nordstrom, Deputy Attorney General, requests that Idaho Power Company (Idaho Power;
Company) provide the following documents and information on or before Friday, June 13,
2003.
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. Reference IDAP A 31.01.01.228.
This Production Request is to be considered as continuing, and Idaho Power 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.
FIRST PRODUCTION REQUEST
TO IDAHO POWER
MAY 15 2003
Please provide answers to each question; supporting workpapers that provide detail or are
the source of information used in calculations; the name and telephone number of the person
preparing the documents; and the name, location and telephone number of the record holder.
For each item, please indicate the name of the person(s) preparing the answers, along
with the job title of such person(s) and the witness who can sponsor the answer at hearing if need
be.
Request No.1: Please provide a report that shows by account the existing and proposed
salvage values, the change in salvage value and indicate the study that supports the change.
Request No.2: Please provide copies of all studies that support the requested change in
salvage values.
Request No.3: Please explain the procedure and theory behind the simulated plant
balance estimated survivor curve and why it is appropriate for some accounts.
Request No.4: Please provide the simulated plant balance estimated survivor curve for
accounts 353 and 354.
Request No.5: Please explain the disparity ofthe simulated balance comparison in
accounts 371.20 and 373.20.
Request No.6: Please provide a report detailing the change in service life and remaining
life by account. List all supporting studies that indicate the change should occur.
Request No.7: Please provide a copy of all studies used to support the requested change
in service life.
Request No.8: Please explain how license agreements have impacted facility lives.
Request No.9: Please provide a copy of the 1993 decommissioning cost study. Please
explain why this study is still the most appropriate study for Idaho Power 10 years later.
Request No. 10: Please explain why a 3% inflation rate was used to adjust the 1993
decommissioning cost study.
Request No. 11: Please summarize all amortization accounts showing the current
proposed and change in amortization period and accrual amount. Also indicate the study that
was used to justify why the change should occur.
Request No. 12: Please provide all studies that support the requested change in
amortization.
FIRST PRODUCTION REQUEST
TO IDAHO POWER
MAY 15 2003
Request No. 13: Please provide a copy of the previous depreciation study with all work
papers. Provide a summary of findings that shows recommended lives, salvage values and
overall rates for each account.
Request No. 14: Please provide a list of all retirements during the period of 1999-2001
for each of the distribution, transmission and general plant accounts. For each retirement
provide the in-service date, original cost, positive or negative salvage, actual life and reason for
retirement.
Dated at Boise, Idaho, this /5 day of May 2003.
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Lisa Nordst
Deputy Attorney General
Technical Staff: Alden Holm
Michael Fuss
i:umisc/prodreq/ipceO3. 71nahmfuss 1
FIRST PRODUCTION REQUEST
TO IDAHO POWER
MAY 15 2003
CERTIFICATE OF SERVICE
HEREBY CERTIFY THAT I HAVE THIS 15TH DAY OF MAY 2003 SERVED
THE FOREGOING FIRST PRODUCTION REQUEST OF THE COMMISSION
ST AFF TO IDAHO POWER COMPANY, IN CASE NO. IPC~03-, BY MAILING
A COpy THEREOF, POSTAGE PREPAID, TO THE FOLLOWING:
BARTON L KLINE
MONICA MOEN
IDAHO POWER COMPANY
PO BOX 70
BOISE ID 83707-0070
JOHN R GALE
VICE PRESIDENT, REGULATORY
AFFAIRS
IDAHO POWER COMPANY
PO BOX 70
BOISE ID 83707-0070
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CERTIFICATE OF SERVICE