20220427PAC to Staff 1-4.pdf

Y ROCKY MOUNTAIN
H*I/,Efu"1407 W North Temple, Suite 330
Salt Lake City, Utah 84116
April27,2022
Jan Noriyuki
Idaho Public Utilities Commission
472W. Washington
Boise, tD 83702-5918
[e-mail]. sov (C)
Joseph Terry
i oseph.terry@nuc. idaho. eov
Donn English
donn.enelish@ouc. idaho.sov
RE ID PAC-E-22-05
IPUC Set I (l-4)
Please find enclosed Rocky Mountain Power's Responses to IPUC ls Set Data Requests 1,2, and
4. The response to IPUC 3 will be provided separately. The Confidential Attachment IPUC 4 is
provided via BOX. Confidential information is provided subject to protection under IDAPA
31.01.01.067 and 31.01.01.233,the Idaho Public Utilities Commission's Rules of Procedure No.
67 - lnformation Exempt from Public Review, and further subject to the nondisclosure
agreement (NDA) executed in this proceeding.
If you have any questions, please feel free to call me at [phone].
Sincerely,
-Jsl-J. Ted Weston
Manager, Regulation
Enclosures
C.c.: Thomas J. Budge/Bayer [e-mail] (C)
Brian C. Collins/Bayer [e-mail] (C)
Greg Meyer/Bayer [e-mail]
PAC-E-22-05 / Rocky Mountain Power
Apil27,2022
IPUC DataRequest I
IPUC Data Request I
Please provide a schedule showing the amount of energy imbalance market (EIIO
benefits, on a system and Idaho basis, the Company has received per year since
the Company joined the EIM. In the response, please include the total benefits to
all participants in the EIM for each year.
Response to IPUC Data Request 1
The Califomia Independent System Operator (CAISO) publishes balancing
authority area @AA) specific energy imbalance market (EIM) benefits reports on
a quarterly basis. These quarterly reports, as well as other information regarding
CAISO EIM benefrts, are publicly available and can be accessed by utilizing the
following CAISO website link:
https ://www.westerneim.comlPages/A bout/QuarterlyBenefi ts. aspx.
EIM benefits are allocated on the system generation (SG) allocation factor. As
provided in the direct testimony of Company witness, Justin B. Far, specifically
Exhibit 4 (Idaho -Exhibit 4c), line 37,the Idaho SG allocation factor from Case
PAC-E-I5-09 is 6.0136 percent.
Recordholder:Christopher White I Jack Painter / Justin Waterman
Jack Painter / To Be DeterminedSponsor:
PAC-E-22-05 / Rocky Mountain Power
April27,2V22
IPUC DataRquest 2
IPUC Data Requect 2
Please provide the California Independent System Operator (CAISO) report on
the benefits of the EIM for 2018, 2019,2A20, e[0ld202l.
Reeponse to IPUC Data Request 2
Please refer to the Company's response to IPUC Dah Request 1.
Recordholder:Christopher Whib
ToBeDet€rminedSponsor:
PAC-E-22-05 / Rocky Mountain Power
April27,2022
IPUC Data Request 4
IPUC Data Request 4
Please provide supporting documentation for the ID REP QF Adjustment as
referenced on page I I of Jack Painter's Direct Testimony. In the response, please
include the calculation for the reasonable energy price, the costs for the QF
projects, and the case numbers approving those contracts.
Response to IPUC Data Request 4
Please refer to Confidential Attachment IPUC 4 which provides the calculation
and costs of reasonable energy price (REP) qualiffing facility (QF) adjustments
relevant to this 2022 energy cost adjustment mechanism (ECAM) proceeding for
calendar year 2021.
There are three Idaho QF powerpurchase agreements (PPA) which were
approved by the Idaho Public Utilities Commission (IPUC). These QF PPAs are:
o CDM Hydro (Case PAC-E-20-10)o Commercial Energy Management (Case PAC-E-21-05; pending)o Nicholson Sunnybar Ranch (Case PAC-E-20-I7,and PAC-E-21-10; pending)
Confidential information is provided subject to protection under IDAPA
31.01.01.067 and 31.01.01.233, the Idaho Public Utilities Commission's Rules of
Procedure No. 67 - Information Exempt from Public Review, and further subject
to the Non-Disclosure Agreement (NDA) executed in this proceeding.
Recordholder:Jack Painter
Sponsor:Jack Painter