20180816Avista to Staff 1-3.pdf

Avista Corp.
141 1 East Mission P .O. Box 3727
Spokane. Washington 99220-0500
Telephone [phone]
TollFree 800-727-9170
Afritsrt
RECTIVED Corp.
?0rB AUG l5 Pl{ 12: h9
August 16,2018
Idaho Public Utilities Commission
472W. Washington St.
Boise, lD 83702-0074
Attn: Sean Costello
Deputy Attorney General
Re: Production Request of the Commission Staff in Case No. AVU-E-18-06
Dear Mr. Costello,
Enclosed are Avista's responses to IPUC Staffs production requests in the above referenced
dockets. Included in this mailing are the original and two paper copies of Avista's responses to
production requests: Staff 001 - 003. Also enclosed on three separate CD's are copies of Avista's
responses to the production requests. The electronic versions of the responses were emailed on
08/16/l 8.
If there are any questions regarding the enclosed information, please contact Paul Kimball at (509)
495-4584 or via e-mail at [e-mail]
Sincerel
iI
. UULIC
0lJld{lSSlON
zz-
Paul Kimball
Regulatory Analyst
Enclosures
CC (Email):IPUC (Hanian, Erdwurm, Morrison)
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMATION
JURISDICTION:
CASE NO:
REQUESTER:
TYPE:
REQUEST NO.:
IDAHO
AVU-E-18-06 (FCA)
IPUC
Production Request
Staff-001
DATE PREPARED
WITNESS:
RESPONDER:
DEPARTMENT:
TELEPHONE:
EMAIL:
081r612018
N/A
Tara Knox
Regulatory Affairs
(soe) 49s-432s
tara. knox @avi stacorp. com
REQUEST:
Please provide the number of new customers per month for January 2018 through May 2018.
RESPONSE:
Idaho Electric new hookup-first billing service point counts by month were as follows
January 2018
February 2018
March 2018
April20l8
May 2018
156
ll8
152
139
226
JURISDICTION:
CASE NO:
REQUESTER:
TYPE:
REQUEST NO.:
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMATION
IDAHO
AVU-E-18-06 (FCA)
IPUC
Production Request
Staff-002
DATE PREPARED: 0811612018WITNESS: NiA
RESPONDER: Tara Knox
DEPARTMENT: Regulatory Affairs
TELEPHONE: [phone]EMAIL: [e-mail]
REQUEST:
On page 8, lines l3-16 of the Application, Avista lists the impacts of three drivers (weather,
energy efficiency and other) on use-per-customer and FCA Revenue for the residential and non-
residential group. Please provide supporting documentation for these calculations including
Excel workbooks with formulas intact.
RESPONSE:
Please see StaflPR_002 Attachment A containing the calculation of the 2017 defened revenue
driver estimates.
JURISDICTION
CASE NO:
REQUESTER:
TYPE:
REQUEST NO.:
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMATION
IDAHO
AVU-E-18-06 (FCA)
IPUC
Production Request
Staff-003
DATE PREPARED: 0812212018WITNESS: N/A
RESPONDER: Tara Knox
DEPARTMENT: Regulatory Affairs
TELEPHONE: (509) 49s-4325EMAIL: [e-mail]
a.
b.
REQUEST:
On page 8 of its Application, the Company estimates that the Company's DSM programs reduced
residential usage by 28 million kWh/year over the years 201 5,2076, and 2017 , and non-
residential usage by approximately 45 million kWh over the same time period.
a. Please reconcile these results to the Company's 2015,2016, and2017 DSM
reports and any other reports that apply. Please provide supporting
documentation for these calculations including Excel workbooks with formulas
intact.
b. Please provide the Company's estimate of the total weather-normalized change in
consumption over the same time period for the same customer groups.
RESPONSE:
Staff PR 002 Attachment A (previously provided) includes a reconciliation of the annual
DSM reportsr to the estimated cumulativi savings from the test year used to established
rates to the deferral year.
Please see Staff PR 003 Attachment A.
I Reconciles to table ES-2 in the 2015 DSM report, reconciles to table ES-l in the 2016 DSM report, and reconciles
to table ES-l in the2017 DSM report,