20040301Wilson Revised Ex 4 pg 6.pdf

Avista Corp.
1411 East Mission POBox3727
Spokane, Washington 99220-3727
Telephone [phone]
Toll Free 800-727-9170
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February 27 2004
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State of Idaho
Idaho Public Utilities Commission
472 W. Washington St.
Boise, ill 83702-5983
Attention: Ms. Jean Jewell, Commission Secretary
TariffLP.UC. No. 28 (Electric) and TariffIPUC No. 27 (Natural Gas)
IPUC Case No s. A VU-04-01 and A VU-04-01.
Enclosed for filing with the Commission are an original and nine copies of Page 6 of
Exhibit No.4 for Dr. William Wilson, as part of his pre-filed direct testimony for Avista
Corporation. This page has been revised and is submitted as a substitute to the originally
filed page 6. Please remove the originally filed page 6 and replace it with the revised
page 6 herein submitted.
I have also enclosed, for filing with the Commission, a compact disk containing a
computer readable version of Dr. Wilson s complete Exhibit No., which contains the
revised page 6.
Questions regarding this submission should be directed to Mike Fink at 509-495-4706.
Sincerely,
A~
Kelly O. Norwood
Vice President, State & Federal Regulation
Enclosures
CERTIFICATE OF SERVICE
I HEREBY CERTIFY that I have this 27th day of February, 2004, served the
foregoing Revised Exhibit No.4 page 6 of William T. Wilson s pre-filed direct
testimony, by mailing a copy thereof, property addressed with postage prepaid
to:
Jean 0 Jewell , Secretary
Idaho Public Utilities Commission
Statehouse
Boise, 1083720-5983
Pamela Mull
Associate General Counsel
Potlatch Corporation
601 W. Riverside Ave., Suite 1100
Spokane, WA 99201
Conley Ward
Vice-President and General Counsel
Potlatch Corporation
277 N 6th Street Suite 200
PO Box 2720
Boise , 1083701
~a~Olsness
Rates Coordinator
Allowed Return - Return on Ratebase allowed by the State commission as documented by
Regulatory Research Associates.
Test Year Utilized - Binary variable indicating whether the utility s state commission
utilizes a forecast test year period or an historical test year period.
Regulatory Jurisdiction - Binary variable indicating whether or not the electric utility
operating company is under the jurisdiction of more than one state regulatory authority.
Electric utility operating companies that are part of a holding company structure and have
sister" companies regulated in other jurisdictions are considered multi-state for the purpose
of this analysis.
Fuel Cost / Total Revenue - Calculated as total fuel cost divided by total revenue.
Load Factor - Calculated as Net Retail MWh Sold / (Peak Load * 8760)
Fuel Concentration - Calculated as MWh generated from the single largest fuel divided by
Net Retail Sales, up to 100%.
Bad Debt - Calculated as Allowance for Doubtful Accounts / Retail Sales Dollars
Retail Load Growth - Calculated as the year-over-year change in retail load.
Retail Rate - Average retail rate as documented in Platt's PowerDat industry database.
Vertical Integration - Binary variable indicating whether or not the regulated electric
operating company is engaged in energy production and delivery or just energy delivery.
Purchased Power - Calculated as total purchased power divided by total revenue.
Weather - Measured as the total annual cooling degree days within the state of primary
operations.
Exhibit No.Page 6 of 8 (Revised)
W. Wilson
A vista Corporation