20161004PAC to Staff 1-5.pdf

ROCKY MOUNTAIN
POWER
A DIVISION OF PACIFlCORP
October 3, 2016
Jean Jewell
Idaho Public Utilities Commission
4 72 W. Washington
Boise, ID 83702-5918
RE: ID PAC-E-16-12
IPUC 1st Set Data Request (1-5)
201 South Main, Suite 2300
Salt Lake City, Utah 84111
Please find enclosed Rocky Mountain Power's Responses to IPUC Data Requests 1-5. Also
provided are Attachments IPUC 1, 2, and 3.
If you have any questions, please feel free to call me at [phone].
Sincerely,
V\ J
J. Ted Weston
Manager, Regulation
Enclosures
C.c.: Camille Christen/IPUC ===~=~~===~
Ronald L. Williams/PIIC =~~====~=
PAC-E-16-12 / Rocky Mountain Power
October 3, 2016
IPUC 1st Set Data Request 1
IPUC Data Request 1
Please provide all workpapers identifying any incremental changes to the
Commission approved depreciation deferral throughout the period of the proposed
"Rate Stability Plan." Please provide work papers in Excel format with formulae
intact.
Response to IPUC Data Request 1
Please refer to Attachment IPUC 1 for the incremental changes in the depreciation
deferral. The monthly balances reported through August 2016 are actual, all
balances after are estimated deferrals based on August's actual monthly deferral.
Recordholder: Kent Ipson
Sponsor: Ted Weston
PAC-E-16-12 I Rocky Mountain Power
October 3, 2016
IPUC 1st Set Data Request 2
IPUC Data Request 2
Please provide all workpapers used to develop, estimate, and support the
Company's proposed "Rate Stability Plan." Please provide work papers in Excel
format with formulae intact.
Response to IPUC Data Request 2
Please refer to Attachment IPUC 2 for a copy of the work papers used to develop
the Rate Stability Plan.
Recordholder: Ted Weston
Sponsor: Ted Weston
PAC-E-16-12 / Rocky Mountain Power
October 3, 2016
IPUC 1st Set Data Request 3
IPUC Data Request 3
Please provide all work papers supporting the Company estimate of the ECAM
reduction on June 1, 2017 of $4.5 to $5 .5 million. Please provide work papers in
Excel format with formulae intact.
Response to IPUC Data Request 3
The $4.5 to $5.5 million estimated reduction to the annual ECAM rate associated
with the 2016 ECAM deferral was based on the fall 2016 Business Plan. The
projected net power costs for the 2016 ECAM deferral are between $9.5m and
$IO.Sm. The current ECAM collection rate was designed to collect $14.5m
annually. Please refer to Attachment IPUC 2 for the work papers supporting the
$4.5 million to $5.5 million projected reduction and Attachment IPUC 3 for the
rate design work papers.
Recordholder: Ted Weston
Sponsor: Ted Weston
PAC-E-16-12 I Rocky Mountain Power
October 3, 2016
IPUC 1st Set Data Request 4
IPUC Data Request 4
Please provide a projection of the 2018 ECAM deferral ( January 2017 through
December 201 7) if the Company has completed an estimate. Please provide work
papers in Excel format with formulae intact.
Response to IPUC Data Request 4
The current projection for the 2018 ECAM deferral is $10.5 million from the fall
2016 Business Plan. The Business Plan is not yet approved and is considered
highly confidential.
Recordholder: Steve McDougal
Sponsor: Ted Weston
PAC-E-16-12 I Rocky Mountain Power
October 3, 2016
IPUC 1st Set Data Request 5
IPUC Data Request 5
Please provide a schedule showing the depreciation deferral from its inception to
present by year. Please split out the balances of the different asset categories as
defined by the depreciation study.
Response to IPUC Data Request 5
A schedule of the depreciation deferral by year through August 31, 2016, is
provided below:
Balance at
Functional Group CY 2014 CY 2015 Jan -Aug 2016 August 31, 2016
Steam Production 4,604,065.30 4,657,481.03 3,163,584.77 12,425,131.10
Hydro Production 384,426.69 391,082.38 266,061.68 1,041,570.75
Other Production (596,932.70) (590,668.34) (394,741.80) (1,582,342.84)
Transmission (503,626.02) (530,013.61) (391,470.39) (1,425,110.02)
Distribution (2,170,488.82) (2,126,639.07) (1,406,514.45) (5,703,642.34)
General (127,993.30) (131,772.81) (90,495.12) (350,261.23)
Total 1,589,451.15 1,669,469.58 1,146,424.69 4,405,345.42
Recordholder: Kent Ipson
Sponsor: Ted Weston