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BEFORE THE IDAHO PUBLIC UTILITIES
COMMISSION EGI, FEB J 9 PH 3: 32
UTiL i i ;LS COi"\i'iiSSIOI-
IN THE MA TIER OF THE
APPLICATION OF IDAHO POWER
COMPANY FOR AUTHORITY TO
INCREASE ITS RATES AND
CHARGES FOR ELECTRIC SERVICE
TO THE ST ATE OF IDAHO
CASE NO. IPC-03-
Direct Testimony of
Don C. Reading, Ph.
Ben Johnson Associates, Inc.
on behalf of
Industrial Customers of Idaho Power (ICIP)
February 19 2004
Introduction
Would you please state your name and address?
Don Reading, Ben Johnson Associates, Boise, Idaho
Have you prepared an appendix that describes your qualifications in regulatory and
utility economics?
Yes. Appendix A, attached to my testimony, serves this purpose.
Does your testimony include any attachments?
Yes. Attached are Exhibit 201: Danskin Station Costs; Exhibit 202: Danskin Generation
Summary; Exhibit 203: Mtn. Home Generation Station; Exhibit 204: Mid-Columbia
Prices; Exhibit 205: Proposed Change in Fixed arid Energy Charges.
What is your purpose in making your appearance at this hearing?
Our finn has been retained by the Industrial Customers ofIdaho Power (ICIP) to assist in
the evaluation of Idaho Power s (Company, IPCo) rate application. General rate
applications are usually complex, and that is certainly true of this one. I have review the
Company's testimony and exhibits, as well as the discovery filed by the interveners and
responses by the Company. My testimony will be focus only on several significant
issues. Silence on other issues does not imply acceptance of the Company's position.
Would you please describe how your testimony is organized?
Yes. Following this introduction, my testimony has two major sections. The first section
deals with the costs and assumed operating hours of the Company s Danskin Station
Generating Facility. The second section discusses how system loads on Idaho Power
system have changed dramatically over the past ten years with an increased focus on
, peaks on the system.
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
Danskin Station
Let's turn to your f"Irst major section, which is the impact on proposed rates from
the inclusion of Idaho Power s Danskin Generating Station located in Mt. Home.
Based on the Company s exhibits did you examine the contribution of the Danskin
Station to generating resources?
Yes. Company Exhibit 33 estimates power supply costs and the output of all Idaho
Power s current generation assets given current system demand for each year for the
period 1928 through 2003. The output and power supply costs are thus normalized over
the 75 year period for the water conditions that existed for that given year. An average is
calculated that would represent the mean or expected output and power supply costs
under normal water conditions to meet native load. Danskin Station s normalized
average annual output over this 75 year period is 804.6 Mwh or the equivalent of just 8.
hours per year. (Exhibit 33, page 1 of77; hours based on 90 MW) At this output, the fuel
costs including the Fixed Capacity Charge - Gas Transportation, are $3.267 million. If
you add the annual capital costs of $7.728 million (Idaho Power Company, Application p.
7. "The annual revenue requirement associated with the construction of this peaking
generating resource is $7 727 782.This leads to an average normalized annual cost of
$10.995 million. The normalized average cost per kilowatt hours basis (kWh) (not
MWh!) is $13.65.
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
Chart 1
Danskin Station
Cost per k\l\lh
$140.
max$130.
$120.
$1J0.
$80.
$60.
$40.
$20.
$0.
#'$' $'" $$'~ $ $' ,,#~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
source: Exhibit 33
In fact, as shown in the Chart 1 above and in Exhibit 201 over the normalized 75 year
period the highest Mwh production from Danskin Station was found by the Company to
be 2 886.3 in 1960 for a cost of$3.84 per kWh for that year. The highest is $130.51 in
1995.
Could you briefly describe the Danskin Generation Station?
The generating plant consists of two (2) natural gas-fired combustion turbines rated at
approximately 45 MW each (Unit #2 and Unit #3). It is located about two miles from
Mountain Home, Idaho and first produced power in September 2001. It is supplied by
gas from the Williams Northwest Pipeline located near the plant. Due to air quality
standards the plant is limited in operations to 5 140 hours per year.
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
The Plant has been in operation since the fall of 2001. What has been the actual
output of the facility?
The first unit (which is actually called unit #2) first produced power on September 25
2001 , followed by an on line date five days later by unit #3. (Idaho Power Company
Response to 3rd Production Request of Commission Staff, page 34.). For calendar 2002
the first full year of operation, output from Danskin was 43 368 Mwh (FERC Form 1
2002, page 403). Production costs that are listed for calendar 2002 are $5.14 million
which yields a running cost of 11.85 cents per kWh. However this does not include the
annual capital costs of $7.7 million. When capital costs are included, the running costs
go up to 29.7 cents per kWh.
It should be remembered --- and an economists ' favorite saying -- sunk costs are sunk.
From the Company's prospective (and economically rational once the plant is built) the
annual amortized cost of$7.7 million doesn t matter in deciding when to operate the
plant. As long as the variable costs -- primarily natural gas prices for a unit like this -- are
covered by the market value of power, it will be rational to run the plant. The variable
costs of the power produced from Danskin have varied between 60.2 cents per kWh in
2001 and 29.7 cents per kWh in 2002. However, ratepayers in this case are being asked
to shoulder the burden of the capital costs in their rates. From the ratepayers' prospective
therefore, the full cost - both variable and fixed - is the relevant cost.
How do the costs you discussed above compare to what the Company told the
Commission in their application for a Certif"Icate of Public Convenience and
Necessity (CPCN) about the operation of the plant?
In its CPCN Application the Company described the expected operating costs of Danskin
Station as follows:
Direct Testimony of Don Reading, Ph.
On BehalfofICIP, Case No. IPC-O3-
The preliminary estimate of the levelized cost per megawatt hour
(MWh) would range from an upper level of $223 per MWh based
on a capital cost for the Station of $55.2 million, 500 hours of
annual generation, and levelized fuel costs of$5.05 per MMBtu
over the 30-year life of the Station, to a lower range cost of $77 per
MWh based on a Station cost of $46 million, 5 140 hours of annual
dispatch, and average fuel costs of$5.05 per MMBtu. (Idaho
Public Utilities Commission Order No. 28773, Case No. IPC-Ol-
, July 11 , 2001 , page 5.
This means that the actual cost of29.7 cents per kWh for 2002 was 33% higher than the
highest estimated cost, and 385% higher than the lowest estimate. It should be
remembered that 2002 was a low water year when output of the plant would be expected
to be high and hence one would expect the cost per kWh to be on the low end of the
range.
How does the estimated cost range for Danskin output found in the Company
CPCN compare to the normalized range presented by the Company in this case?
As shown above and in Exhibit xx the normalized range of output and demand over the
75 year period presented by the Company in this case varies from a low of $3.84 per kWh
to a high of$130.51 per kWh. This translates into 1 285% higher than actual on the low
end to 43 943% higher on the high end. So both the actual and expected costs
significantly exceed what the Company told the Commission they expected would be the
costs to ratepayers for the output of this plant when they applied for their CPCN.
Based on the information presented to it by the Company did the Commission
authorize the construction of Danskin Station?
Yes. However in its Order authorizing the plant, the Commission expressed discomfort
about the amount of information provided by the Company.
The Company needs to provide the Commission with more
information. What other alternatives were considered? What was
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
the Company s forecasted need? The Company expressed concern
that we will assess its decision to build based on hindsight and
from a perspective of changed market conditions. We assure the
Company that the review standard employed by the Commission
will be what Company knew or should have known at the time it
made its decision to build. (IPUC Order No. 28773, page 13.
The Company offered and the Commission accepted a "Commitment Estimate" for
the capital cost portion of the plant. Did the fmal cost of the facility fall at or below
that estimate?
Idaho Power Committed that capital costs would not exceed $55.2 million. According to
the Company's Application in this case the cost of construction was "approximately $49
million . This construction cost has led to the Company's request for the annual revenue
requirement of $7 727 782 associated in the investment in the Danskin Power Plant.
(Application, page 7.
If the investment costs for Danskin Station were lower than the " Commitment
Estimate" why are the actual operating costs and the expected normalized costs so
much higher?
As shown above, Idaho Power based its operating estimates for running the plant on an
assumption that it would run between 500 and 5 140 hours per year. Even though the last
2 years have been exceptionally dry, the plant has only been on line at the low end of the
estimated range.
Unit #2 was first synchronized at 18:55 on 9/25/01. Between that
date/time and the end of the month of October 2003, unit #2
operated for a total of 1 268 hours. Unit #3 was first synchronized
at 21 :27 on 9/30/01. Between that date/time and the end of the
month of October 2003, unit #3 operated for a total of 1 235.3
hours. Between 18:55 on 9/25/01 and the end of October 2003, at
least one unit was on line for a total of 1 714.58 hours. (Idaho
Power Company's Response to 3rd Production Request of
Commission Staff, Response to Request No. 86, pages 34 35.
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
This means Unit #2 has averaged 634 hours annually over the last two years, while Unit
#3 has averaged 617.65 hours annually. For the combined units at least one was on line
for an annual average of 857.29 hours. The estimate is close to the low range of 500
hours however is only 1/6th the high range. With capital costs fixed at $7.7 million per
year plus the fixed capacity charge for gas transport of$3.2 million the annual fixed costs
of the plant are $10.9 million. Therefore the cost of production on a kWh basis are
highly dependent on the number of hours the facility is in operation. It appears that even
in dry years, like the last two, the plant will not be run in a range that will produce power
at a reasonable cost.
The Company estimates the cost of output from Danskin from a low of $3.84 per
kWh to a high of $130.51 per kWh. Why are these costs so much higher than
predicted by the Company and which were used as the basis for the Commissions
approval?
Based on both actual operations and expected needs, the hours of operation are
significantly less than the Company claimed in its application.
For the immediate future, Idaho Power indicates that it intends to
operate the Station 5 140 hours per year, i., up to the limit
allowed by its air quality permit. Once the Gamet project comes
on line in 2004, however, the role of the Mountain Home Station
Staffstates, could change. (IPUC Order No. 28773, page 7.
Therefore, the Company expected the plant to be on line for over 5 000 hours through
2004. In reality the plant has operated only 2 686 hours since its only line date through
December 2003. (Idaho Power Company's Response to the 1st Production Request of
ICIP, Response to Request No. 53 54. see Exhibit 202) This means the plant has operated
just over half the claimed hours in the past and 1/3 years. Because the hours of
operation have been so limited the cost of output on a kWh basis is very high.
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
Q. Did Idaho Power intend the Danskin Plant to fill native load or for off system sales?
In a response to a Staff Production Request in Case No. IPC-01-12 (the CPCN
application) the Company stated;
Idaho Power is proposing to develop the Mountain Home Generation Project to
serve the needs ofIdaho Power s native load customers. There may be times
when all or a portion of the Station s generation is surplus to the needs ofIdaho
Power s native load customers. (Idaho Power Company s Response to the First
Production Request of the Commission Staff, Case No. IPC-01-, Response to
Request No. 8.
While that may be true, the number of hours from the facility needed to serve native load
is low and thus the cost is high. In response to an ICIP production request, the Company
provided a Mtn. Home Generation Station Operating Plan dated July 7 2001 - just before the
Commission issued its CPCN for the plant. (Idaho Power Company s Response to First
Production Request of the ICIP, Response No. 57; Exhibit 203) This document indicated
expected operating hours for the plant to be 3 673 for the last 5 months of 2000; 4 344 for 2001;
952 for 2002, 1 682 for 2003 , and just 848 for 2004 and 2005. These are significantly less that
the 5 140 hours in the 'immediate future' that Idaho Power presented to the Commission.
Do you know why the hours of operations of Danskin Station have been so limited?
The Company probably assumed it would use the plant for secondary sales as well as to
meet native load needs. This would mean the plant would be on line sufficient hours to
bring the costs on a kWh basis in line with what the Company expected would be the
costs of power.
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
Idaho Power s marketing and trading analysts have indicated that
annual heavy load period market prices for the next few years will
likely be in the range of $50 to $350 per MWh. The estimated
forward price is approximately $350 per MWh for April 1 through
March 2002. The five to ten years forward prices currently are in
the range of $55 per MWh. Hourly prices have historically been
several times the annual average and could be in excess of $1000
per MWh in the near term. (Idaho Power Application, Case No.
IPC-01-, page 4.
Note this reference is to the Company's marketing and trading arm. In reality prices in
the secondary market have not been as high as they predicted. What is irrational about
the Company s estimates is that the upper range could be sustained for an extended
period of time. At prices equal to 35 cents per kWh the market would be expected to
adjust with customer curtailments and fuel switching. Even if Danskin would have been
on line the full 5 140 hours per year, market prices would need to be above $77 per MWh
for the plant to be cost effective for secondary sales.
You indicated that Danskin would be used for secondary sales as well as to meet
native load needs. What has been the experience since the plant came on line?
The Company does not specifically identify any generation resource when making off
system sales. However the Company, in a good faith effort to respond to the ICIP'
production request, did provide estimates based on operating parameters of their system.
However, because Danskin is the highest cost Company-owned
resource and in order to make a good faith effort to respond to this
request, in the attached information the Company has assumed that
in any hour that the Company was a net purchaser, generation from
Danskin was used to serve native load; and conversely, in any hour
that the Company was a net seller, generation from Danskin was
generated for off system sales. (IPCo Response the 1 st Production
Request of the ICIP, Response 53 54.
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
The results of that modeling effort indicate Danskin Station produced 106 192 MWh
from its on line date in the fall of 2000 through the end of December 2003. (See Exhibit
xx.) Of that amount 78 452 MWh or 73.9% were assumed to serve for native load. It is
apparent that estimates of operating hours for Danskin for off system sales have not
developed. For example for 2003 the estimate of generating for off system sales was
only 2 655 hours.
W ouldn 't it be fair to look at the decision in the context of the chaos in the energy
markets in 2000 and 2001
Certainly. The turmoil in energy markets during 2000 and the first half of 200 1 are well
known. In the fall of2000 and early 2001 the Company had engaged in several programs
to obtain power, including industrial and irrigation buy backs in order to obtain power
needed to serve load. As indicated in the Chart 2 (Exhibit 204, page 1.) below prices for
electricity on the market reached unprecedented levels in December 2001 and remained
high through the spring of2001.
Direct Testimony of Don Reading, Ph.
On BehalfofICIP, Case No. IPC-O3-
Chart 2
Mid-Columbia On Peak Electric Price $MWhr
$3,500
$3,000
$2,500
000
:::;;...
500
000
$500
Commission
Application Approve On Line
~ ~ ~ ~
~tt ~tt ~tt ~tt ~tt ~tt ~tt ~tt ~tt ~tt ~tt
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
source: WSJ, Cow Jones Mid-COlumbia Index
In Chart 2 you have indicated when the application for Danskin was fIled, when the
Commission approved the CPCN, and the on line date. It looks like market prices
had changed dramatically by the time the Commission issued its Danskin CPCN
Order. Could you explain?
Chart 3 (Exhibit 204, page 2.) below shows for the year 2001 the Dow Jones Mid-
Columbia Index, application date, Commission approval, and the on line date for
Danskin.
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
Chart 3
Mid-Colum bia On Peak Electric Price $MWhr
$600
Application
$500
$400
...
$300 Commission
ApproveCR-On Line
$200
$100
'::''::''::''::''::''::'~'"~'"'\"'::'~'"
source: WSJ, Dow Jones Mid-COlumbia Index
Note that by the time the Commission approved the CPCN market conditions had
changed dramatically and by the time the plant came on line the price for market power
was back to pre-2000 levels. This meant the ability to run the plant and make a profit
diminished even when including only the variable expenses and not the fixed costs.
also shows that prices were not remaining at the $350 per Mwh through March 2002 as
predicted by Idaho Power s marketing and trading analysts. This should have a warning
to the Company that they needed to reassess the economic viability of the plant.
, discussed above, the Commission had asked for more information and documentation
about the facility. It would have been wise for the Company to reassess at the time of the
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
Commissions approval. Even if there had been expenditures up to that date, the
Company could have come to the Commission for ratemaking treatment. That would
have been a better choice than now asking ratepayers to assume the costs of a plant that
will sit idle most of time.
Q. What type of ratemaking treatment are you referring to?
The Company could have ceased construction and sought recovery of its then sunk costs.
Did the Danskin Generating Station f"It within the Company s Integrated Resource
Plan (IRP)?
Idaho Power acknowledged during the application process that Danskin was not part of
their IRP.
Idaho Power acknowledges that the Mountain Home Station is not
identified in the Near-Term Action Plan in the Company s 2000
IRP. Nevertheless, Idaho Power believes that construction of the
Station is consistent with the IRP. The Station provides a cost-
effective alternative to planned wholesale market purchases. Idaho
Power believes that recent market prices for purchased power
create a unique circumstance to be addressed for the 2001-2004
period. (Idaho Power Application, Case No. IPC-01-, page 4.
The Commission in approving Danskin recognized what it characterized as 'volatility' in
the electric spot market that could mean deviation from the IRP would be justified.
However the Commission also firmly stated there was not sufficient information
available to make a least cost decision.
We are convinced that the volatility of the electric spot market
created a situation that justified a deviation from the Company
2000 IRP and its actions in developing plans for the Mountain
Home Station. The information provided however is insufficient
to determine the reasonableness of the related costs. As reflected
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
in Staff comments, it is unknown whether the Mountain Home
Station was the least cost alternative. Because the Mountain Home
Station was not selected pursuant to a RFP process, we are unable
to conclude based on the information provided that the
commitment estimate is reasonable. The Company in its
Application, we note, also provides no comparison of alternatives
(alternatives available but not chosen). As reflected in its
comments, Power Development Associates believes it offered the
Company a better project. Communication and timing appear to
be factors in the Company s decision to proceed with its own
project. It also appears that the Company s choice of equipment
may be better suited to later conversion to combined cycle. There
is no record as to whether other alternatives were also considered
and rejected. We are unconvinced that the best measure of the cost
of alternative resources is market price estimates in effect at the
time the decision to proceed was made. The record supporting
such a finding remains to be developed. (IPUC Order No. 28773
page 12.
It appears the Commission skepticism has been proven by time. As shown in Chart 3
2002 market conditions had already changed by the time the Commission gave its
approval in July of2001.
How has Idaho Power Company responded the Commissions skepticism and the
lack of an alternative to Danskin?
Idaho Power apparently rushed the project in response to then-current market prices and
the potential benefits of generation.
In summary, given high market prices for power and the extremely
high demand for turbines at the time, the sooner a combustion
turbine project could be constructed, the greater its value. While
the Commission s Order No. 28773 tended to minimize high
current market prices as a justification for constructing the Danskin
Project, it must be remembered that at the time no one was sure
what market prices would be in the future. At the time, FERC was
continuing to refuse to impose hard market caps in the West and its
public pronouncements repeated the market would be permitted to
operate to take care of the energy supply problem. At the time, the
Direct Testimony of Don Reading, Ph.
On Behalf of ICIP, Case No. IPC-O3-
prospect for continuing high market prices as very real.
Considering the market prices experienced at the time of the
decision to proceed with Danskin, potential customer cost savings
from a project like Danskin were on the order of $1 0 to $20
million per month. (IPCo Response to 4th Production Request of
Commission Staff, Response 88.
As indicated in the Charts above, at the time the Commission approved the plant, prices--
while high by today's standards -- were different than in the proceeding months of
extremely high prices. These changing market conditions should have given the
Company pause and caused them to take a new look at the plant before attempting to
saddle ratepayers with a fixed cost of nearly $11 million per year for limited output at
outrageous costs.
The Company has recently received a CPCN for the Bennett Mountain generating
facility. When this peaking plant becomes part of Idaho Power s system how is it
expected to effect the operation of Danskin Station?
As indicated by the Company above, Danskin is Idaho Power s highest cost resource.
The will not change with addition of Bennett Mountain to Idaho Power s generating
resource portfolio:
Both plants are intended to meet Idaho Power s peak load
requirements in the summer and winter daytime hours. With the
Bennett Mountain plant not yet online, the Danskin plant operated
slightly more than 500 hours during 2002, and operated
approximately 475 hours through September of2003. Both years
have been considered low water years in which above normal
thermal generation and market purchases have been required.
Since first going online in August 2001 , Danskin has operated in
all but two months. Once Bennett Mountain becomes available
however, Danskin will likely operate far less
hours. Both plants will need to be operated at times during the
summer daytime hours, but still, Staff believes Danskin's operation
could easily be cut in half from its current operational level. (IPUC
Staff Comments, Case No. IPC-03-12)
Direct Testimony of Don Reading, Ph.
On BehalfofICIP, Case No. IPC-O3-
At 500 hours the full cost of output to ratepayers from Danskin is about $0.25 per
kWh. However staff estimates that it will run 'far less' and the output 'easily' cut in half.
At 250 hours per year the cost per kWh is 48.8 cents. Remember this is the estimate for
the driest years, on average -- according to the Company s filing the plant on average
produced about 800 MWh. At half this amount or 400 MWh per year the plant costs to
ratepayers on a per kWh (again NOT MWh) will be $27.46 after Bennett Mountain
comes on line.
What recommendations do you have for the Commission in dealing with the very
high cost the Company is asking ratepayers to shoulder in relation to the Danskin
Generating Station?
Certainly market conditions have changed, but the magnitude ofthe cost difference that
the Company is asking ratepayers to pay and the exceptions presented to the Commission
are huge and it is unreasonable to expect ratepayers to pay this amount. The Company
did have the alternative of reassessing, but pushed ahead even while the market prices
were declining.
I recommend the Commission not give the Company rate base treatment for Danskin
Station. This recommendation is especially compelling since the Company is going
ahead with the Bennett Mountain plant which will cause Danskin to run even less.
If the Commission followed your recommendations would the Company need to
write-off the full costs of the facility?
There certainly would be significant costs. However the Company has indicated the
generators could be sold.
Direct Testimony of Don Reading, Ph.
On BehalfofICIP, Case No. IPC-O3-
If the generators were not ratebased and were not considered operating property,
the Company would be able to sell the generators at a later date if it so chose.
(Idaho Power Company s Response to the First Production Request of the
Commission Staff, Case No. IPC-01-, Response to Request No.
There could be other aspects of the plant that would allow for some cost recovery. Not
allowing the plant in ratebase may be expensive for the Company; however, if it is
allowed in ratebase it will be much more expensive for ratepayers.
Normalizing Peak
Idaho Power s last rate case was ten years ago. How do the Company s loads
compare to those that existed during the last rate case?
As surprising as it sounds energy consumption from native load is virtually the same as it
was 10 years ago.
The Company s 1993 annual normalized system load used in the
IPC-94-5 case was 14.5 million megawatt-hours (MWh). The
Companys 2003 annual normalized system load used in this case
is 14.1 million MWh. The annual system load served today is
approximately the same as it was ten years ago. (Idaho Power
Direct Testimony of Greg Said, page 3, lines 8 to 13.
On a normalized basis consumption demand actually declined by 100 000 kWh annually.
The major reason for this change has been the loss of the Astaris (FMC) load of 1.
million MWh. In addition the Company has phased out FERC jurisdictional contract
loads. While total load is flat compared to 10 years ago, there has been significant shifts
in use from various customer classes. These shifts had led to a substantial change in the
load profile of the Company.
Direct Testimony of Don Reading, Ph.
On BehalfofICIP, Case No. IPC-O3-
The FMC contract as well as the concluded FERC contracts that
existed ten years ago provided the Company with relatively
consistent monthly loads that were somewhat flat throughout the
year. The FMC load had an interruptible component. Load
growth within the various customer classes has tended to be much
more seasonal and dependent upon weather. As a result of the loss
of relatively flat loads and the addition of non-interruptible
seasonal loads, the Company s Integrated Resource Plan now
shows the need for summer peaking resources (June, July, and
August) and winter peaking resources (November and December).
(Idaho Power Direct Testimony of Greg Said, page 4 , lines 13 to
, line 1.)
What has been the reaction of the Company to this dramatically different load
profIle?
One significant reaction has been the proposed shift in rate structure for all classes of
customers in reducing kWh charges and increasing customer and demand rates. (Exhibit
203.
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
Chart 4
Percent Change in Proposed Fixed, Demand , and
Energy Charges by Customer Class
30.
20.
10.
Resid . I Small C m
10.
20.
30.
- Fixed. Demand 0 Energy
data source: First Production Request of NW Energy Coalition, Response to Request No.
Idaho Power states the primary approach to ratemaking is to reflect costs "as accurately
as possible . (Idaho Power Direct Testimony of John R. Gale, page 11 , lines 7
Along with the proposed increases in fixed and demand changes, the Company has
introduced both seasonal and diurnal rates.
Direct Testimony of Don Reading, Ph.
On BehalfofICIP, Case No. IPC-O3-
Are there other responses the Company has made to address the shift in system load
profIle?
Yes. Historically, the Company has maintained that its system was 'energy constrained'
not 'capacity constrained'. This was due to the fact that it has a relatively high percent of
its generation portfolio in hydro plants and its largest customer (Astaris/FMC) was
largely interruptible. The Company could follow peak loads through the manipulation of
its dams or through its ability to curtail its largest customer.
The loss of the Astaris/FMC interruptible load, and additional operating constraints on its
hydro facilities (primarily for environmental concerns) have changed the Company
supply resources. In addition, a load profile that is more peak sensitive on the demand
side has caused the Company to invest in peaking gas fired generation resources. This is
a dramatic change. As discussed above the latest units -- both Danskin Station and the
proposed Bennett Mountain plant -- are gas peaking units. Addressing peak has now
become a priority for the Company.
Because of these changes to Idaho Power s electric system can you think of other
potential changes?
Due to these significant changes in the systems load profile, there should be a wholesale
change in the way the Company looks at both its resources and customer demands. For
example, demand side management (DSM) programs now has a different cost effective
measuring stick. Rather than being focused on primarily on energy savings, they should
also address the cost effectiveness of shaving peak. Another example may be the
viability of a pump-storage generating units. Fifteen years ago the Company made a
compelling case that this type of unit would not be cost effective. With the changes the
system has undergone this may no longer be true.
Because peak on the system has taken on such importance in the Company
resource planning and rate design, do you think there should be a difference in the
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
way Idaho Power looks at peak?
While the Company has a sophisticated weather normalization model for energy it does
not weather normalize peak demand, either for the system or customer classes. In 1994
the Company did use weather adjusted peaks in their Marginal Cost Study.
, Idaho Power has never developed a method for weather
normalizing peak loads by class for the purpose of a Cost of
Service study. However, weather-adjusted system peaks were
estimated for the purpose of the Marginal Cost Study published in
January 1994. No studies had been done since then. (IPCo
Response to 1st Production Request of ICIP, Response 49.
At this time the Company states it is not planning to develop a method of weather
adjusting peak.
Request No. 51: Does the Company anticipate any future use of
weather normalization of peak loads? If not please explain fully
why not.
Response to Request No.51: No. At this time the Company is not
developing any methodology to weather normalize peak loads by
class for the purpose of a Cost of Service Study.
Why do you feel it is important for the Company to examine peak demands on a
weather normalized basis?
Peak demands are used by the Company in both its jurisdictional allocation studies and in
customer class allocation factors in its Cost of Service Studies. To the extent that
different customer classes (or jurisdictions) react differently to peak under different
weather conditions the allocation factors that are developed would not be the same as
those calculated from unadjusted data. This could mean a miss assignment of costs.
The Company uses weather normalized energy for resource planning and the calculation
of revenue requirement. Now, with the substantial change in the Company's load profile
Direct Testimony of Don Reading, Ph.
On Behalf ofICIP, Case No. IPC-O3-
ratepayers are being asked to pay increased fixed charges and fund peaking generation
plant based on peak needs. The Company needs to investigate how peak loads react to
weather conditions and what impact that it may have on inter-class allocations. The
Commission should require the Company to undertake a peak weather normalized
investigation.
Does this conclude your testimony on February 20, 2003
Yes.
$140.
$120.
$100.
$80.
$60.
$40.
$20.
$0.
Case No. IPC-03-
Exhibit 201
page I of!
Danskin Station
Cost per kWh
max $130,
data source: Idaho Power Company, Exhibit 33
(Idaho Power Company s Response to the First Production Request of the Commission Staff,
Case No. IPC-E-01-, Response to Request No.
Danskin Generation Summary
data source: Response to Request for Production, ICIP 1st, No. 53 &54
Generation MWh
Price of
Off
Total Off System
Operating Native Systerm Sales
Hours Gross Load Sales $/MWh
2001 Sep 15.344 126 218
Oct 209.185 217 968
Nov 101.048 925 123
Dee 158.601 521 080
485.18,178 789 389
Percent 31.68.
Average $23.
2002 Jan 42.902 299 603 $19.
Feb 50.411 127 284 $19.
Mar 136.164 970 194 $29.
Apr 28.048 123 925 $26.
May 41.1,439 169 270 $17.
Jun 148.789 600 189 $14.
Jul 481.19,097 097
Aug 29.136 136
Sep 24.917 917 $25.
Oct 76.260 166 094 $23.
Nov
Dee 25.500 280 220 $34.
084.663 31,967 696
Percent 71.28.4%
Average $23.
2003 Jan
Feb 21.789 789 $49.
Mar 16.693 288 405 $61.
Apr $34.
May 112.244 907 337 $32.
Jun 101.080 080
Jul 567.22,629 629
Aug 241.696 696
Sep 17.46 666 666
Oct
Nov 31.394 353 $36.
Dee
115.43,351 696 655
Percent 93.
Average $42.
TOTALS 686.106,192 78,452 740
Percent 73.26.
Average $30.
$21.
$26.
$22.
$24.48
Case No. IPC-03-
Exhibit 202
page) of)
ID
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$ 38
$ 35
$ 32
$ 30
$15
$13
$11
$10
$ 6
ank Margin Month
$ 39 Aug-
$ 26 Aug-
$ 20 Jut-
$19 Jan.
$ 16 Sep-
$ 15 Sep-02
$11 Feb-
$ 7 Jut-
$ 2 Jun.
$ 2 Jun-11 $(1) Jan-12 $ (2) Dee-13 $ (3) May-
$ 141 Oet.
$ (6) Nov-
$ (7) Dee-
$ (8) May-
$ (9) Feb-
$ (12) Mar-
$ (13) Apr-
$ (14) Oel-
$ (16) Nov-
$ (17) Mar-
$ (18) Apr-
ank Margin Month
$ 23 Aug-
$ 13 Aug-$8 Jul-03
$ 6 Jan-
$ 4 Sep.$ 1 Jul-OJ
$ (1) Feb.
$ (3) Sep-
$ (4) Jan-10 $ (6) Jun-0311 $ (9) May-12 $ (10) Feb.13 $(11) Oct-13 $ (11) Jun-OJ15 $ (12) Dee-16 $ (14) May-17 $ (1S) Nov-18 $ (16) Oel.19 $ (18) Apr.20 $ (19) Mar-20 $(19) Dee-22 $ (21) Apr-22 $ (21) Nov-24 $ (24) Mar-
Month
Aug-
Dee-
Oet-
Sep-
Dee-
Aug-
Nov-
Oet-
Sep-
Nov-
On/Off-
On,Peak
On, Peak
On. Peak
On,Peak
OM-Peak
OM-Peak
On,Peak
OM,Peak
OM,Peak
OM. Peak
On/OH-
On. Peak
OM-Peak
On,Peak
On, Peak
OM.Peak
On.Peak
On,Peak
OM-Peak
On.Peak
OM-Peak
OM. Peak
On-Peak
On-Peak
On-Peak
OM-Peak
OM-Peak
OM. Peak
On-Peak
On,Peak
OM-Peak
OM-Peak
OM-Peak
OM, Peak
On/Off-
On-Peak
OM-Peak
On-Peak
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OM.Peak
OM-Peak
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On.Peak
OM-Peak
On. Peak
OM. Peak
On.Peak
OM. Peak
On-Peak
OM. Peak
On-Peak
On-Peak
OM. Peak
OM-Peak
Off-Peak
Off-Peak
Operating
Operating
!:!.
1'01
1'01
erating
IDAHO POWER COMPANY
Mtn. Home Generation Station
Operating Plan
Cumulative
ours I Hours
424
424
42S
410
320
320
410
320
310
310
Net
Income
Hours
424
320
424
424 '
310
410
383
320
410
310
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Hours
424
744
16f
592
902
31-
695
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3.425
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735
3.735
735
735
$ 1324 S34
$ 666.432
$ 679,248
$ 64S,286
$ 397 296
$ 492 61S
$ 337,461
$ 179 424
$ 6S,682
49.
$ -!.:$ -$ -$ -$ .$ -$ -$ -
~~;W:
Cumulative Netours Hours Income424 424 $ 781,13S320 744 $ 333 216424 1.168 $271 699424 1 S92 $ 203 774410 2,002 $ 131 364320 2 322 $ 2S 632
~'b~ ~1" 310 ~Ju'~
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322 322
$ .
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$ -
322 322 322 322
~~It;1Ji~.$~~H~-
Rank Margin Month On/OH-
$ 2 Aug-$ 1 Jan-O4
$ (4) Feb-O4
$ (7) Aug-
$ (8) Jan-04
$ (9) Jun-O4
$ (12) Jut-
$ (13) May-
$ (13) Feb-
$ (1S) Sep-
$ (16) Jun-O4
$ (18) Dee-
$ (20) Jul-
$ (20) Apr-
$ (20) May-
$ (21) Mar-
$ (22) Nov-
$ (23) Sep.
$ (26) Apr-
$ (26) Dee-
$ (28) Mar.
$ (29) Oel-
$ (29) Nov-
$ (36) Oel-
On. Peak
On-Peak
On-Peak
Off-Peak
Off-Peak
On-Peak
On-Peak
On-Feak
Off-Peak
On-Feak
Off-Peak
On-Peak
OM-Peak
On-Peak
Off-Feak
On-Peak
On-Peak
Off-Peak.
Off-Peak
Off-Peak
Off-Peak
On-Peak
Off-Pea~
Off-Peak
On/OH-
On-Peak
On-Peak
On-Peak
Off-Peak
On-Peak
Off-Peak
On-Peak
Off-Peak
On.Peak
On-Peak
OM-Peak
On-Peak
On-Peak
Off. Peak
On-Peak
On-Peak
Off.Peak
Off-Peak
Off-Peak
On.Peak
Off-Peak
Off-Peak
Off-Peak
Operating
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ank Marg
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$ (32) Nov-
$ (3S) Mar-
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$ (36) Apr-
$ (38) Ocl-
$ (38) May-
$ (4S) Apr-
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1
Case No. IPC-03-
Exhibit 204
page 1 of 2
Mid-Columbia On Peak Electric Price $MWhr
$3,500
$3,000
500
1: $2 000
:IE..,. $1,500
Application Approve On Line
000
$500
...............................................................................................
r:::
(;j
r:::
.....
C')
..............................
source: WSJ, Cow Jones Mid-Columbia
$600
$500
$400
$300
.,.
$200
$100
Case No. IPC-03-
Exhibit 204
page 2 of 2
Mid-Columbia On Peak Electric Price $MWhr
Application
Commission
Approve
On Line
1/112001 3/1/2001 5/1/2001 7/112001 9/1/2001 11/1/2001
source: WSJ. Dew Jones Mid-Columble Index
30.
20.
10.
10.
20.
30.
Percent Change in Proposed Fixed, Demand, and
Energy Charges by Customer Class
Reside tia Intust ial
0 Fixed III Demand 0 Energy
data source: First Production Request of NW Energy Coalition, Response to Request No.
Case No. IPC-03-
Exhibit 205
page 1 of
Present position
Education
Professional
and business
history
Don C. Reading
Don C. Reading
Consulting Economist with Ben Johnson Associates, Inc.
B.S., Economics - Utah State University
, Economics - University of Oregon
Ph., Economics - Utah State University
Idaho Public Utilities Commission:
1981-86 Economist/Director of Policy and Administration
Teaching:
1980-81 Associate Professor, University of Hawaii-Hilo
1970-80 Associate and Assistant Professor, Idaho State University
1968-70 Assistant Professor, Middle Tennessee State University
Dr. Reading provides expert testimony concerning economic and
regulatory issues. He has testified on more than 25 occasions before
utility regulatory commissions in Alaska, California, Colorado, the District
of Columbia, Idaho, Nevada, Texas, Utah, and Washington.
His areas of expertise include demand forecasting, long-range planning,
price elasticity, marginal pricing, production-simulation modeling, and
econometric modeling. He has also provided expert testimony in cases
concerning loss of income resulting from wrongful death, injury, or
employment discrimination.
Dr. Reading has more than 30 years experience in the field of economics.
He has participated in the development of indices reflecting economic
trends, GNP growth rates, foreign exchange markets, the money supply,
stockmarket levels, and inflation. He has analyzed such public policy
issues as the minimum wage, federal spending and taxation, and
import/export balances. Dr. Reading is one of four economists providing
yearly forecasts of statewide personal income to the State of Idaho for
purposes of establishing state personal income tax rates.
Dr. Reading s areas of expertise in the field of energy include demand
forecasting, long-range planning, price elasticity, marginal and average
cost pricing, production-simulation modeling, and econometric modeling.
Among his recent cases was an electric rate design analysis for the
Industrial Customers of Idaho Power.
While at Idaho State University, Dr. ReadinQ performed demoQraphic
Don C. Reading
studies using a cohort/survival model and several economic impact
studies using input/output analysis. He has also provided expert
testimony in cases concerning loss of income resulting from wrongful
death, injury, or employment discrimination.
Among Dr. Reading s current projects are a FERC hydropower
relicensing study (for the Skokomish Indian Tribe) and an analysis of
Northern States Power s North Dakota rate design proposals affecting
large industrial customers (for J.R. Simplot Company). Dr. Reading has
also recently completed an analysis for the Idaho Governor's Office of the
impact on the Northwest Power Grid of various plans to increase salmon
runs in the Columbia River Basin.
Publications
The Economic Impact of Steel head Fishing and the Return of Salmon
Fishing in Idaho, Idaho Fish and Wildlife Foundation, September, 1997.
Cost Savings from Nuclear Regulatory Reform, Southern Economic
Journal, March, 1997, with R. Canterbery and B. Johnson.
A Visitor Analysis for a Birds of Prey Public Attraction , Peregrine Fund
Inc., November, 1988.
Investigation of a Capitalization Rate for Idaho Hydroelectric Projects
Idaho State Tax Commission, June, 1988.
Post-PURPA Views " In Proceedings of the NARUC Biennial Regulatory
Conference, 1983.
An Input-Output Analysis of the Impact from Proposed Mining in the
Challis Area (with R. Davies). Public Policy Research Center, Idaho State
University, February 1980.
Phosphate and Southeast: A Socio Economic Analysis (with J. Eyre, et
al). Government Research Institute of Idaho State University and the
Southeast Idaho Council of Governments, August 1975.
Estimating General Fund Revenues of the State of Idaho (with S.
Ghazanfar and D. Holley). Center for Business and Economic Research,
Boise State University, June 1975.
A Note on the Distribution of Federal Expenditures: An Interstate
Comparison, 1933-1939 and 1961-1965." In The American Economist
Vol. XVIII, No.2 (Fall 1974), pp. 125-128.
New Deal Activity and the States, 1933-1939." In Journal of Economic
History, Vol. XXXIII (December 1973), pp. 792-810.
CERTIFICATE OF SERVICE
I HEREBY CERTIFY that on this 11:JHtay of February, 2004, I caused a true and
correct copy of the foregoing DIRECT TESTIMONY OF DR. DON READING to be served
by the method indicated below, and addressed to the following:
Jean Jewell
Idaho Public Utilities Commission
472 West Washington Street
Post Office Box 83720
Boise, Idaho 83720-0074
Barton L. Kline
Monica B. Moen
Idaho Power Company
PO Box 70
Boise, ID 83707-0070
bk1ine~idahopower.com
mmoen~idahopower.com
Lisa Nordstrom
Weldon Stutzman
Deputy Attorney Generals
Idaho Public Utilities Commission
PO Box 83720
Boise, ill 83720-0074
lnordst~puc. state.id.
John R. Gale
VP - Regulatory Affairs
Idaho Power Company
Post Office Box 70
Boise, Idaho 83707-0070
rgale~idahopower.com
Randall C. Budge
Eric L. Olsen
Racine, Olson, Nye, Budge, Bailey, Chartered
PO Box 1391
Pocatello, ID 83204-1391
rcb~racinelaw.net
elo~racinelaw.net
IPC-O3-
CERTIFICATE OF SERVICE - 1
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Anthony Yankel
29814 Lake Road
Bay Village, OH 44140
yankel~attbi.com
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Lawrence A. Gollomp
Assistant General Counsel
United States Department of Energy
1000 Independence Ave., SW
Washington, DC 20585
lawrence. gollomp~hQ .doe.gov
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Dennis Goins
Potomac Management Group
5801 Westchester Street
Alexandria, VA 22310-1149
dgoinspmg~ao1.com
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Dean J. Miller
McDevitt & Miller LLP
PO Box 2564
Boise, ill 83701
j oe~mcdevi tt -miller. com
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Jeremiah J. Healy
United Water Idaho, Inc.
POBox 190420
Boise, Idaho 83719-0420
jerry .heal y~unitedwater. com
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William M. Eddie
Advocated for the West
PO Box 1612
Boise, ID 83701
billeddie~rmci.net
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IPC-O3-
CERTIFICATE OF SERVICE - 2
Nancy Hirsch
NW Energy Coalition
219 First Ave. South
Suite 100
Seattle, WA 98104
nancy~nwener~y.or~
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Conley Ward
Givens Pursley LLP
601 W. Bannock Street
PO Box 2720
Boise, Idaho 83701-2720
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Dennis E. Peseau, Ph.
Utility Resources, Inc.
1500 Liberty Street SE, Suite 250
Salem, OR 97302
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Brad M. Purdy
Attorney at Law
2019 N. 17th Street
Boise, Idaho 83702
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Michael Karp
147 Appaloosa Lane
Bellingham, W A 98229
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Don Reading
Ben Johnson Associates
6070 Hill Road
Boise, Idaho 83703
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Michael L. Kurtz, Esq.
Kurt J. Boehm, Esq.
Boehm, Kurtz & Lowry
36 E. Seventh Street, Suite 2110
Cincinnati, OH 45202
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CERTIFICATE OF SERVICE - 4
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Nina M. Curtis