20040709Supplemental No 8 of Avista to Coeur Silver Valley.pdf

VISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMATION
JURISDICTION:
CASE NO:
REQUESTER:
TYPE:
REQUEST NO.
Idaho
A VU-O4-01 / A VU-O4-
Coeur Silver Valley
Data Request
008 Supplemental
DATE PREPARED:
WITNESS:
. RESPONDER:
DEP ARTMENT:
TELEPHONE:
07/06/2004
Knox
Tara Knox
Rates
[phone]
REQUEST:
Please provide a cost-of-service analysis, including all new work papers and changed
allocation factors that address the following changes for Schedule 25:a. Schedule 25 has the cost of 15 substations (Acct. 361 and 362) directly assigned
in whole or in part. For each of these substations please list the name of the
Schedule 25 customer supplied as well as the miles of primary and/or secondary
line that is supplied by the directly assigned piece of each substation.
Please list the circuit miles of primary line out of each "directly assigned"
substation or portion of the substation that serves a Schedule 25 customer in
whole or in part. Please indicate how many and what type of other customers
may be also served of that line going to the Schedule 25 customer. Please use the
ratio of the miles of primary line utilized by Schedule 25 customers (in whole or
shared) to the total primary line circuit miles to develop an allocation factor for
Accounts 364 and 365.
Please directly assign any underground plant (Acct. 367 & 368) that serves
Schedule 25 and Coeur Mining and, please remove the allocation of this plant
such that only plant that is actually used by these customers is assigned/allocated
to them.
RESPONSE:
The original response to this question indicated that certain information had been requested from
the Geographic Information System (GIS) department but was not available at that time.
Attached is the response from GIS. It consists of a table showing the primary overhead and
underground circuit miles associated with the substation feeders that supply the Schedule 25
customers, the number of customers (by Schedule) served from these feeders, and the number ofline miles from the substation to each Schedule 25 metering point.
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