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LISA D. NORDSTROII
Lead Counsel
lnordatrom0idahooower.com
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August 21,2020
VIA ELECTRONIC IiAIL
Jan Nuriyuki, Secretary
ldaho Public Utilities Commission
11331 West Chinden Blvd., Building I
Suite 201-A
Boise, ldaho 83714
Re Case No. IPC-E-20-33
ln the Matter of the Application of ldaho Power Company for Authority to
Revise the Energy Efficiency Rider, Tariff Schedule 91
Dear Ms. Noriyuki
Attached for electronic filing, pursuant to Order No. 34602, is ldaho Power
Company'sApplication, customer notice and press release, in the above-entitled matter. lf
you have any questions about the enclosed documents, please do not hesitate to contact
me.
Very truly yours,
X;,QV"ur-*,
Lisa D. Nordstrom
LDN:slb
Enclosures
LISA D. NORDSTROM (lSB No. 5733)
ldaho Power Company
1221 W. ldaho Street (83702')
P.O. Box 70
Boise, ldaho 83707
Telephone: [phone]
Facsimile: (208) 3886936
lnordstrom@ida hopower.com
Attorney for ldaho Power Company
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION
!N THE MATTER OF THE APPLICATION
OF IDAHO POWER COMPANY FOR
AUTHORIW TO REVISE THE ENERGY
EFFICIENCY RIDER, TARIFF
SCHEDULE 91.
CASE NO. rPC-E-20-33
APPLICATION
ldaho Power Company ("ldaho Powe/'or'Company'), in accordance with ldaho
Code S 61-503 and RP 052, hereby respectfully makes application to the ldaho Public
Utilities Commission ("Commission") for an order approving an increase to the collection
percentage of the Energy Efiiciency Rider ("Ride/'), contained within tariff Schedule 91,
lrom 2.75 percent to 3.10 percent of base rate revenues effective January 1 , 2021. The
Company also requests a minor housekeeping edit in Schedule 91 be approved to
remove reference to an expired tariff schedule from its applicability.
APPLICATION.l
ln support of this Application, ldaho Power represents as follortrs:
I. BACKGROUND
1. The Commission issued Order No. 29026 on May 13,2002, authorizing the
creation of the Energy Efficiency Rider to fund demand-side management ("DSM)
programs.
2. Past Rider Percentaoe Chanoes. Since the incaption of the Rider, ldaho
Power has monitored the level of collec'tion through the rate mechanism with a goal of
matching the level of funding with the level of energy efficiency expenditures over time.
Gonsistent with that goal, the Commission has authorized changes to the Rider
percentage over the years. The Company has also been authorized, in limited cases, to
collect additionalfunding through the Companfs annual Power Cost Adjustment ('PCA')
to fund the Rider, as well as refund surplus Rider funds to customers through the PCA.
This history is reflected on the following chart:
APPLICATION - 2
tPc-E-02-02
!rc-E-02-03 29026 May 2002 First Rider set at 0.5%
lrc-E-04-29 2g78/,May2ff)5 First Rider increase to 1.5%
Irc-E,0&03 30s60 May 2008 Second Rider increase lo2.5o/o
tFGE-09-05 30814 May 2009 Third Rider increaee lo 4.75%
lPc-E-10-27 32217 May2011 $10 Million to Riderfrom PGA to decrease Rider
deficit
32426 May 2011
Rate caseauthorized raoovery of Demand
Reaponae incentives through PCAand reduced
Riderto 4.0%
trc-E-l1-08
!PC-E-14-05 33049 May 2014 $20 Million to PCAfrom RideP
tPc-E-l5-14 33306 May 2015 $4 Millionto PCAftom Rider
lPc-E-16-08 33526 May 2016 $4 Million to PCA from Rider
rPc-E-l6€3 33736 March 2017
$13 Million to PGAfrom Rider; annual $4 Million
Riderfunde transilErto PCA eliminated; rcduced
Riderto 3.75%
3/,3/,5 May 2019 Reduced Rider to 2.75%rPc-E-19-06
'lncluded $4 million tnansfer to maintain revenue neutrality and $16 million in surplus Rider funds.
3. Current Rider Fundino Percentaoe and Collec{ion. The Rider is currently
set at 2.75 perent of base rate revenues as authorized by Order No, 34345. lt currently
collects approximately $30 million per year to fund ldaho Powe/s DSM programs and
other energy efficiency initiatives. At the end of July 2020, the Rider balancing account
had an under-collected balance of approximately $g.t million and, without adjustment,
the Rider balancing account is estimated to have an under-epllected balance of
approximately $17 million at the end of 2021 based on a low energy efficiency savings
case ("low-case") forecast scenario, and $22.7 million under-collected under a high
energy efficiency savings case ('high-case") forecast scenario.
II. PROPOSAL FOR RIDER PERCENTAGE INCREASE
4. Percentiaqe lncrease Proposal. Concunent with this filing, the Company
has submitted Case No. IPC-E-20-32, where it is seeking authority to reduce base rates
to remove the revenue requirement associated with the Boardman coal-fired plant
scheduled to cease operations at the end of 2A2A. The Compant's request to increase
the Rider collection lrom 2.75 percent to 3.10 percent is intended to closely match the
increase in Rider collection with the Boardman-related rate reduction to allow customer
savings from ceasing operations at Boardman to be immediately reinvested into energy
efficiency, without increasing overall customers' bills. The proposed 3.10 percent Rider
collection will also provide a necessary near-tenn action to mitigate the expected
increasing deficit Rider account balance.
5. The proposed 0.35 percent Rider increase is reasonable as a near-term
step to mitigate the growing under-collected balance in the Company's 2020-2421
forecasts of the Rider account activity. ldaho Power has experienced significantly higher
APPLICATION.3
energy efficiency incentive payments to participating customers over the January 2019
through July 2020 period compared to incentive payments anticipated for that period
when the Rider funding was last addressed,l and ldaho Power expects that trend will
continue for the remainder of 2020. ln the most-recent 19 months, incentives exceeded
prior forecast by approximately $18 million, contributing to the current under-collected
balance. Notably, participation in the Company's Commercial and lndustrial Custom
Project option has increased, with the Company achieving the same kWh savings level
in the six months ending June 2020, as for all of 2019.
6. By implementing the near-term action as proposed in this case to mitigate
increases in under-collection, the Company is afforded time to update a longer-term
analysis of energy savings targets. The Company's long-term forecast will be informed
by two key inputs to be completed over the next several months. First, the Company will
incorporate use of the Utility Cost Test ('UCT') for cost-effectiveness screening in the
determination of DSM savings potential, and second, the202l lntegrated Resource Plan
('lRP') (which includes stakeholder engagement in developing the energy efficiency
savings level in the !RP) will inform the long-term energy efficiency program savings
estimates. ldaho Power is committed to continue to maintain a long-term view of energy
efficiency funding and make future adjustments as necessary to better align collection
with expenses.
7. Rider Forecast. Based on the current under-collected balance and
recently completed low- and high-case forecast scenarios of Rider balances for August
2020 through December 2021, the Company is aware that the current Rider collection
1 ln the Matter of the Application of ldaho Power Company for Authority fo Revrse the Eneryy Efficiency
Ridar, Tariff Schedule 91, Case No. IPC-E-19-06 (filed February 12,2019).
APPLICATION - 4
level of 2.75 percent is likely to result in an increasing deficit Rider balance over that
period. The low-case2021energy efficiency savings !eve! is based on the potential study
that was utilized in the 2019 IRP, while the high-case is based on a recently completed
potentia! study which will be used in the Company's 2021 lRP. ldaho Powe/s
recommended Rider percentage and resulting annual Rider balances are provided as
Attachment No. 1. A description of the assumptions used in the model is provided as
Attachment No. 2.
8. Timino. ldaho Power proposes the Rider perentage change become
effective January 1,2021, to coincide with the effective date of ldaho Powe/s concurrent
filingz to remove the revenue requirement from base rates resulting from ceasing
operations at the Boardman coal-fired plant. This timing will allow customer savings from
ceasing operations at Boardman to be immediately reinvested into energy efficiency in a
manner that would be substantially revenue neutral from a customer perspective.
9. Billed Revenue and Customer Rate lmpact. The proposed increase in the
Rider percentage from 2.75 percent of base rate revenues to 3.10 percent of base rate
revenues represents a $3.7 million, or 0.31 percent, increase from current billed revenue.
The percentage change in billed revenue associated with the Rider percentage change
is found in Attachment No. 3, This proposed increase results in an approximate $0.29
increase to the monthly bill of a typical Residential customer using 950 kilowatts per
month. Combined with the impact of the Company's concurrent filing in Case No. IPC-E-
20-32 to reduce rates related to its ceasing operations at the Boardman plant, the
Company's proposals result in a net decrease to billed revenue of $314,922, or 0.03
2 ln the Matter of the Application of ldaho Power Company's Application for Authority fo Decrease lfs
Rates for Hectric Seruice for Cosfs Associafed with the Boardman Power Plant, Case No. IPC-E-20-32.
APPLICATION.5
percent. The percentage change in billed revenue for the combined impact of the
concurrent Rider and Boardman filings is found in Attachment No. 4. A typical Residential
customer using 950 kilowatts per month would see a $0.02 decrease to their monthly bill
for the two filings combined.
10. Prooosed Tariffs. The proposed Ridertariff (clean version and in legislative
format), Schedule 91, is attached hereto as Attachment No. 5 to this application.
III. STAKEHOLDER ENGAGEMENT
11. Stakeholder Consultation. The Company shares DSM expense and Rider
balance updates with stakeholders during its quarterly Energy Efficiency Advisory Group
("EEAG') meetings. As the deficit balance overthe course of 2020 has increased, ldaho
Power and members of EEAG have discussed the key drivers for the growing deficit
balance and have discussed considerations related to timing of requesting a change to
the Rider collection percentage. ln those discussions, the Company has also reaffirmed
its commitment to funding all cost-effective energy efficiency, regardless of the balance
in the Rider. On August 19,2020, the Company notified EEAG, via email, of its intent to
file this case.
IV. ADMINISTRATIVE ilODIFICATION
12. ln preparation of this filing, ldaho Power identified Schedule 91 contains
reference to an expired tariff Schedule 39, Street Lighting Service Supplemental
Seasonal orVariable Energy ('Schedule 39"). Schedule 39 expired on May 11,2011,
and subsequent updates to Schedule g1 overlooked removing referenoe to Schedule 39.
As part of its request in this case, the Company also proposes a minor housekeeping edit
in Schedule 91 be approved to remove reference to Schedute 39.
APPLICATION - 6
V. MODIFIED PROCEDURE
13. ldaho Power believes that a hearing is not necessary to consider the issues
presented herein and respectfully requests that this Application be processed under
Modified Procedure; i.e., by written submissions rather than by hearing. RP 201, ef seg.
VI. COMII,IUNICATIONS AND SERVICE OF PLEADINGS
14. ln conformane with RP 125, this Application will be brought to the attention
of ldaho Powefs customers by means of a press release to media in the Company's
service area and a customer notice distributed in customers' bills, both of which
accompany this filing. The customer notice wil! be distributed over the course of the
Company's billing cycles, with the last notice being sent by October 12,2020.
15. Upon filing of this Application, the web graphic on Idaho Powe/s website
will link directly to the Energy Efficiency Rider adjustment press release and bill insert that
accompany this Application. ldaho Power will also make its Application available for
public review upon request with safe$ accommodations, even though its offices
throughout southern ldaho are temporarily closed to the general public during the COVID-
19 public health emergency. Idaho Power asserts that this notice satisfies the Rules of
Procedure of this Commission; however, the Company will, in the altemative, bring the
Application to the attention of its affected customers through any other means directed by
this Commission.
16. Communications and service of pleadings with reference to this Application
should be sent to the following:
APPLICATION - 7
Lisa D. Nodstrom
ldaho Power Company
1221 West ldaho Street (83702)
P.O. Box 70
Boise, ldaho 83707
lnordglrom@ ida hooower. com
dockets@ id ah opower. com
Connie Aschenbrenner
ldaho Porer Company
1221 West ldaho Street (83702)
P.O. Box 70
Boise, ldaho 83707
caschenbrenner@ idahooower. com
VII. REQUEST FOR RELIEF
17. For the reasons set forth above, ldaho Power Company respectfully
requestrs that the Commission issue an order authorizing an increase in the Energy
Efficiency Rider from 2.75 percnnt to 3.1 0 percent of base rate revenues effective January
1, 2021, and approval of the proposed modifications to Schedule 91 .
Respectfully submitted this 21st day of August 2020.
X* !.(^1"+,,-*,
LISA D. NORDSTROM
Aftorney for ldaho Power Company
APPLICATION. S
BEFORE THE
IDAHO PUBLIG UTILITIES COI'IMI$SION
GASE N,O. IPG.E-20-33
IDAHO POWERCOMPANY
AfiACHMENT 1
Forecast of Funding vs. Expensesllncentives
Forecast of An nual Fu ndlng rr. Expenses/l ncenffves
S ln Miltions
OAnnual Rlder Funding,at2.75% ln 2020 and 3.1096 in2O2l
I Expenses/lncentlves
s4C1 $a8
932.5 39rz $325
92&0
2@0 2@L
LouCerc
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Hlgh Crrc
2020 2021
Low Gase
$(12.7)
2021
High Gase
$(12.7)Beginning Rider Balance $(0.3)
Total Funding
Total Expenses/lncentives 1
28.0 32.6(40.4) (33.2)
32.6
(38.8)
Ending Rider Balance t({2.7) $(13.21 $(r8.s}
I Riderexpenaos/incenti\rogwerc$33.6 million, and $3E.1 million in 2018 and 2019, rcrpec'tively
BEFORE THE
IDAHO PUBLIG UTILITIES COMMISSION
cAsE NO. IPG-E,20-33
IDAHO POWER COMPANY
ATTAGHMENT 2
Modeling Assumptions
ldaho Energy Efficiency Rider ("Rider") Modeling Assumptions
Assumptlon
Years Modeled August 2020 throueh December 2021
Rider Percentage 2.75%2O2O;3.tO%2021,
Rider Percentage
lmplementation Date
Ianuary L,ZOZL
2020 Beginning Rider
Balance
December 31-,2019, actual funding and expenses through July 202O forecast
Aug'20-Dec'21
Rider Funding Based on a April 2020 forecast of ldaho Power base rate revenues for August
2020 through December 2021.
Carrying Charges Two percent ofaverage annual beginning and ending balances.
Energy Efficiency kWh
Savings
2O2O - Budget
Low Case - Based on cost-effective achievable energy efficiency savings as
identified in the 2019 Potential Study.
High Case - Based on cost-effective achievable economic potential using Utility
Cost in the 2020 Potential Study.
Energy Efficie ncy Progra m
Expenses
2020ldaho Energy Efficiency program budget divided by the 2020 estimated
kWh savings converted to S/kWh. Escalated at2.2%and applied to the energy
efficiency potential savings in ldaho for 2OZL.
Labor - Average 2% escalation from 2020 budget.
lncentives - 74% of Energy Efficiency expenses based on historica! actual
percentages.
Other Expenses - S/kWh multiplied by the estimated eneryy savings in ldaho less
incentives and labor.
Demand Response Expenses Labor - Average 2% escalation from 2020 Budget.
lncentives - Not included in ldaho Rider forecast (collected through base rates
and the PCA).
Other Expenses - Escalatedat2.2% from 2020 budget.
lndirect Program Expenses Labor - Average 2% escalation from 2020 budget.
Other Expenses - lndirect Program expenses excluding Labor were budgeted at
approximatelv 12% of Program lncentives based on the 2020 budget.
Market Transformation Five year contract with the Northwest Energy Efficiency Alliance 202a-2O24.
BEFORE THE
IDAHO PUBLIG UTILITIES COMMISSION
GASE NO. IPC.E.20-33
IDAHO POWERCOMPANY
ATTACHMENT 3
Summary of Revenue lmpact, Energy Efficiency
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BEFORE THE
IDAHO PUBLIC UTILITIES GOMMISSION
cAsE NO. IPC-E-20-33
IDAHO POWERGOMPANY
ATTACHMENT 4
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Efficiency and Boardman lmpact
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BEFORE THE
IDAHO PUBLIC UTILITIES COMMISSION
cAsE NO. IPG.E-20-33
|DAHO POWERGOMPANY
ATTACHMENT 5
Tariff Sheet Schedule 91
(Clean Version and Legislative Format)
ldaho Power Company Ninth Revised Sheet No. 91-1
Gancels
|.P.U.C. No. 29. Tariff No. 101 Eiohth Revised Sheet No. 91-1
SCHEDULE 91
ENERGY EFFICIENCY RIDER
APPLICABILITY
This schedule is applicable to all retail Customers served under the Company's schedules and
special contracts. This Energy Efficiency Rider is designed to fund the Company's expenditures for the
analysis and implementation of eneryy conservation and demand response programs.
MONTHLY CHARGE
The Monthly Charge is equal to the applicable Energy Efficiency Rider percentage times the
sum of the monthly billed charges for the base rate components.
Schedule Enerqv Efficiencv Rider
Schedule 1
Schedule 3
Schedule 4
Schedule 5
Schedule 6
Schedule 7
Schedule 8
Schedule 9
Schedule 15
Schedule 19
Schedule 24
Schedule 40
Schedule 41
Schedule 42
Schedule 26
Schedule 29
Schedule 30
Schedule 32
3.10%
3.10%
3.10Y0
3.100/o
3.100/o
310%
3.100/0
3.1oo/o
3.10o/o
3.100h
3.10%
3.10o/o
3.100h
3.10o/o
3.1006
3.100h
3.10016
3.1OYo
IDAHO
lssued per Order No.
Effective - January 1,2A21
lssued by IDAHO POWER COMPANY
Timothy E. Tatum, Mce President, Regulatory Affairs
1221 West ldaho Street, Boise, ldaho
ldaho Porer Company EighNinth Revised Sheet No. 91-1
Cancels
I.P.U.C. No. 29. Tariff No. l0l SanenEishth Revised Sheet No. 91-1
SCHEDULE 91
ENERGY EFFICIENCY R!DER
APPLICABILITY
This schedule is applicable to all retail Customers served under the Company's schedules and
special contracts. This Energy Efficiency Rider is designed to fund the Company's expenditures for the
analysis and implementation of energy conservation and demand response programs.
MONTHLY CHARGE
The Monthly Charge is equal to the applicable Energy Efficiency Rider percentage times the
sum of the monthly billed charyes for the base rate components.
Schedule Enerov Efficiencv Rider
Schedule 1 ?H€,..,i!.o,6
Schedule 3 2+53J-8o6
Schedule 4 2=7$-o/o
Schedule 5 2J53.1_8o6
Schedule 6 *J5,-t.oh
Schedule 7 2f€,3.10o/o
Schedule 8 2J€3.1Ooh
Schedule 9 ?# .l-oh
Schedule 15 *.]il'o/o
Schedule 19 ?J5!.]l.oio
Schedule 24 2#3.10o/o
3,768-
Schedule 40 Zf$l0oh
Schedule 41 2fs;3.10o/o
Schedule 42 3J53.10o,6
Schedule 26 ZJ$W%
Schedule 29 ZJE!.,!.oh
Schedule 30 *J$--o/o
Schedule 32 U753.10o/o
IDAHO
lssued per Order No.€4346
Effective
lssued by IDAHO POWER COMPANY
Timothy E. Tatum, Vice President, Regulatory Affairs
1221 West ldaho Street, Boise, ldaho