20080716AVU to Staff 178-182, 185-192.pdf

Avista Corp.
1411 East Mission P.O. Box 3727
Spokane. Washington 99220-0500
Telephone [phone]
Toll Free 800-727-9170
,""'.:,~
(~)
~~rV'STA.
Corp.
2: 4-1
July 14, 2008
Idaho Public Utilities Commission
472 W. Washington St.
Boise, ID 83720-0074
Attn: Scott Woodbur
Deputy Attorney General
Re: Production Request of the Commission Staff in Case Nos. A VU-E-08-01 and
AVU-G-08-01
Dear Mr. Woodbury,
Enclosed are an original and thee copies of Avista's responses to IPUC Staffs production
requests in the above referenced docket. Included in this mailing are A vista's responses to
production requests 178 through 182, and 185 through 192. The electronic versions of the
responses were emailed on 7/14/08 and are also being provided in electronic format on the CDs
included in this mailing.
Also included are Avista's CONFIDENTIA responses PR-070C Supplemental and 186C.
These responses contain TRAE SECRET, PROPRIETARY or CONFIDENTIAL
information and are separately filed under IDAPA 31.01.01, Rule 067 and 233, and Section 9-
340D, Idaho Code, and pursuant to the Protective Agreement between Avista and IPUC Staff
dated March 13, 2008. They are being provided under a sealed separate envelop, marked
CONFIDENTIA.
If there are any questions regarding the enclosed information, please contact me at (509) 495-
8620 or via e-mail at pat. ehrbar(Ðavistacorp. com
Sincerely,(,~~
Patrick Ehrbar
Regulatory Analyst
Enclosures
CC: Brad Purdy, CAPAI (Paper and Email)
A VISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMATION.JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
IDAHO
A VU-E-08-01 / A VU-G-08-01
IPUC
Production Request
Staff-178
DATE PREPARD:
WITNESS:
RESPONDER:
DEPARTMENT:
TELEPHONE:
07/0712008
Dennis Vermilion
Wiliam Johnson
Power Supply
[phone]
REQUEST:
Please provide a list showing all purchases of natural gas made to date intended for use in 2009 for
electric production. For each purchase, show the quantity, the purchase price per MMBtu, the date
of the purchase, and the delivery date.
RESPONSE:
The table below shows all purchases of natural gas made to date intended for use in 2009 for
electric production as of June 30, 2008.
Avista
2009 Natural Gas for Electric Generation Transactions as of 6-30-08.Beginning Ending
Trade Delivery Delivery Price Volume
Tra nsaction Date Date Date $/dth dthlday
Purchase 1/22/2008 1/112009 3/31/2009 $7.9850 5000
Purchase 1/23/2008 1/112009 3/31/2009 $7.9550 4000
Purchase 1/23/2008 1/112009 3/31/2009 $7.8850 4000
Purchase 1/24/2008 1/112009 3/31/2009 $8.0150 4000
Purchase 1/25/2008 1/112009 3/31/2009 $8.1500 4000
Purchase 2/20/2008 1/112009 3/31/2009 $8.9850 4000
Purchase 2/21/2008 1/112009 3/31/2009 $8.9400 4000
Purchase 2/21/2008 1/112009 3/31/2009 $8.9400 4000
Purchase 2/22/2008 1/112009 3/31/2009 $9.1300 4000
Purchase 2/22/2008 1/112009 3/31/2009 $9.2100 4000
Purchase 2/29/2008 1/112009 3/31/2009 $9.4800 4000
Purchase 5/27/2008 7/112009 9/30/2009 $9.8425 4000
Purchase 6/4/2008 7/1/2009 9/30/2009 $9.6200 4000
Purchase 6/17/2008 7/112009 9/30/2009 $10.3200 4000
Purchase 6/26/2008 7/112009 9/30/2009 $10.5600 2500
.
.
.
.
JUSDICTION:
CASE NO:
REQUESTER:
TYPE:
REQUEST NO.:
REQUEST:
A VISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION
IDAHO
A VU-E-08-01 1 A VU-G-08-01
IPUC
Production Request
Staff-179
DATE PREPARD:
WITSS:)
RESPONDER:
DEPARTMNT:
TELEPHONE:
07/11/08
Elizabeth Andrews
Elizabeth Andrews
State and Federal Reg.
[phone]
Please provide copies of all 2008 monthly varance analysis reports completed to date showing
how actual monthly loads in 2008 compare to forecasted loads. Please provide a brief narative to
explain the variance in each month or season. Please identify any sectors whose load is growing
faster or slower than expected and discuss reasons for the changes in expected growth rate.
RESPONSE:
Please see StaffYR_179-Attachment-A.pdf which contains the monthly and YTD varance
analysis reports. Please see StafCPR_179-Attachment-B.pdf for electrc and
StafCPR_179-Attachment-C.pdf for natual gas naratives and sector load analysis.
.
.
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2008 Eiec~ Sales (Biled) Variance Analysis
May 2008 & YTO Variance Explanations
Degree Days-Heating Degree Days were 81 % of normal for the calendar month and 116% of normal for the billng
period. The billng period made up for the timing differences from last month. YTD calendar are at 107% while YTD
billing are at 106%. There were 27 cooling degree days in April, versus an average of 11. Very little air conditioning use
was observed in May.
Washington Residential--The customer variance was -1414 (or -0.7%) while the sales variance was a strong +13.9
million kWh (or +8.3%). Sales were consistent with the cold weather during billng period and may have had some
catch up from April YTD sales are 44.8 milion kWh above forecast (or +3.8%) near what we would expect given the
cold weather.
Washington Commercial-The customer variance was only -25 (or -0.1%) but the sales variance was -2.6 millon kWh
(or -1.6%). Schedules 21 and 31 were well below forecast. YTD sales are +13.8 millon kWh above forecast (+1.6%),
and about what we would expect from the colder weather. May is a transition month for this class as far as degree day
sensitivity is concerned.
Washington Industrial--The customer variance was +4 (or +0.4%) but the sales variance was -1.8 Millon kWh (or-
2.6%). Schedule 21 and 25 sales were below forecast accounting for most of the variance in this class. YTD sales are
8.0 million kWh below forecast with 6.9 millon kWh of this variance in Schedule 25, as the slow economy has been
taking it's tolL.
Washington Street Lights-- The customer variance was -0.6% an the sales variance was -1.6%. This small schedule is
YTD under forecast by 0.16 million kWh.
Idaho Residential--The customer variance was -459 (or -0.4%) but the sales variance was +7.5 million kWh (or
+8,7%). Sales were well above forecast as we experienced above normal degree days. YTO sales are 20.0 millon
kWh above forecast (or +3.5%), due to colder than forecast weather, about where we would expect. It appears the
month to month volatility has waned in the YTD numbers.
Idaho Commercial--The customer variance was +137 (or +0.8%) and the sales variance was +7.7 millon kWh (or
+10.4%). All schedules were above forecast due to cold weather. YTD sales are 12.4 millon kWh over the forecast
amount (or +3.0%), consistent with the weather variance.
Idaho Industrial--The customer variance was +3 (or +0,6%) but the sales variance was -1.9 millon kWh (or -1.8%).
YTD sales are 3.3 millon kWh over forecast (or +0.6%). The economic slowdown observed in Washington is absent inIdaho. .
Idaho Street Lights-The customer variance was -2.4% and the sales variance was +0.2%. This small schedule is YTD
0.001 millon kWh below forecast, essentially on budget.
Overall--The customer variance was -1,759 (or -0.5%) but the sales variance was +22.7 millon kWh (or +3.4%). YTD
sales are 86.2 millon kWh above forecast (or +2.2%).
April 2008 & YTO Variance Explanations
Degree Days-Heating Degree Days were 123% of normal for the calendar month and 119% of normal for the billng
period. The biling period made up for the timing differences from last month. YTD calendar are at 109% while YTD
biling are at 105%. April calendar degree days were the fifth coldest recorded in Spokane. Only 1975,1972, 1970 and
1955 were colder in ApriL.
Washington Residential--The customer variance was -936 (or -0.4%) while the sales variance was a strong +21.9
milion kWh (or +11.3%). Sales were consistent with the cold weather during billng period and may have had some
catch up from March. YTD sales are 31.0 millon kWh above forecast (or +3.1 %) near what we would expect given the
cold weather.
Washington Commercial--The customer variance was only -31 (or -0.1%) and the sales variance was +5.9 millon kWh
(or +3.6%). Schedules 11 and 21 were well above forecast. YTD sales are 16.4 millon kWh above forecast (+2.3%),
and about what we would expect from the colder weather.
Washington Industrial--The customer variance was +7 (or +1.3%) but the sales variance was -0.9 Millon kWh (or-
1.3%), Schedule 21 and 25 sales were below forecast accounting for most of the variance in this class. YTD sales are
6.2 million kWh below forecast with 4.9 million kWh of this variance in Schedule 25.
Washington Street Lights--The customer variance was -1.3% an the sales variance was -2.0%. This small schedule is
YTD under forecast by 0.14 milion kWh. . .,
Idaho Residential-The customer variance was -499 (or -0.5%) but the sales variance was +10.2 millon kWh (or
+10.4%). Sales were well above forecast as we experienced above normal degree days. YTD sales are 12.5 millon
kWh above forecast (or +2.6%), due to colder than forecast weather, about where we would expect. It appears the
month to month volatility has waned in the YTD numbers.
Idaho Commercial--The customer variance was +101 (or +0.6%) and the sales variance was +2.7 millon kWh (or
+3.4%). All schedules were above forecast due to cold weather. YTD sales are 4.7 millon kWh over the forecast
amount (or +1.4%), consistent with the weather variance.
StafCPR_179-Attchment-B.pdf Page 1 of3
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2008 Electric Sales (Biled) Variance Analysis
Idaho Industrial--The customer variance was -3 (or -0.6%) but the sales variance was -3.8 millon kWh (or -3.6%).
Schedule 25P (Potlatch) was below forecast, because they did their annual maintenance in April rather than March.
YTD sales are 5.2 millon kWh over forecast (or +1.3%). The outage had only half as much energy loss as forecast, so
the entire positive variance for this class is due to above forecast sales YTD for Potlatch Lewiston.
Idaho Street Lights--The customer variance was -2.4% and the sales variance was +0.2%. This small schedule is YTD
0.003 millon kWh below forecast.
Overall--The customer variance was -1,368 (or -0.4%) but the sales variance was +36.0 millon kWh (or +5.1%). The
cold weather accounted for this large variance, offset by lower than forecast Potlatch sales due to maintenance. YTD
sales are 63.5 millon kWh above forecast (or +2.0%).
March 2008 & YTD Q1 Variance Explanations
Degree Days--Heating Degree Days were 111 % of normal for the calendar month and 101 % of normal for the billing
period. The billng period made up for the timing differences from last month. YTD calendar are at 107% while YTD
billng are at 102%.
Washington Residential--The customer variance bounced back up to -691 (or -0.3%) while the sales variance was a
disappointing -4.6 millon kWh (or -2.0%). Sales were not consistent with the cold weather during billing period but
appear to offset the data from the prior month. YTD sales are 9.1 milion kWh above forecast (or +1.1 %) near what we
would expect given the weather.
Washington Commercial--The customer variance was only -19 (or -0.1%) and the sales variance was +1.7 millon kWh
(or +1.0%). Schedule 21 was well above forecast. YTD sales are 10.5 millon kWh above forecast (+1.9%), and about
what we would expect from the colder weather.
Washington Industrial--The customer variance was +3 (or +0.3%) but the sales variance was -3.5 Millon kWh (or-
5.4%). Schedule 25 sales were 3.1 milion kWh below forecast accounting for most of the variance in this class. YTD
sales are 5.3 millon kWh below forecast with 4.1 millon kWh of this variance in Schedule 25.
Washington Street Lights--The customer variance was -1.6% an the sales variance was -2.4%. This small schedule is
YTD under forecast by 0.11 millon kWh.
Idaho Residential-The customer variance was -279 (or -0.3%) but the sales variance was -1.6 millon kWh (or -1.4%).
Sales were below forecast even though we experienced above normal degree days. YTD sales are 2.4 millon kWh
above forecast (or +0.6%), due to colder than forecast weather, although weaker than expected.
Idaho Commercial--The customer variance was +103 (or +0.6%) and the sales variance was +1.0 millon kWh (or
+1.3%). All schedules except 25 were above forecast due to cold weather. YTD sales are 2.0 milion kWh over the
forecast amount (or +0.8%), consistent with the weather variance.
Idaho Industrial-The customer variance was -1 (or -0.2%) and the sales variance was +7.6 millon kWh (or +7.8%).
Schedule 25P (Potlatch) was well above forecast, because we expected they would do their annual maintenance in
March like last year; I have asked Joe Brabeck to provide me the expected maintence month for 2008. YTD sales are
9.0 million kWh over forecast (or +2.9%) but this variance should swing negative later in the year when Potlatch-
Lewiston does their maintenance.
Idaho Street Lights--The customer variance was -2.4% and the sales variance was +0,04%. This small schedule is
YTD 0.0003 millon kWh above forecast.
Overall--The customer variance was -892 (or -0.3%) but the sales variance was +0.7 millon kWh (or +0.1%). Big
offsetting variances for the month contributed to the overall amount near budget, although the Potlatch positive
variance will reverse later in the year. YTD sales are 27.5 million kWh above forecast (or +1.1%),
February 2008 Variance Explanations
Degree Days--Heating Degree Days were 104% of normal for the calendar month and 109% of normal for the biling
period. The biling period made up for the timing differences from last month, YTD calendar are at 105% while YTD
biling are at 103%.
Washington Residential--The customer variance declined to only -341 (or -0.2%) but the sales variance was +13.2
millon kWh (or +4.7%). Sales were consistent with the cold weather during biling period. YTD sales are 13.7 milion
kWh above forecast (or +2.4%).
Washington Commercial-The customer variance was -38 (or -0.2%) and the sales variance was +6.5 millon kWh (or
+3.5%). The 11, 21 and 25 schedule were all above forecast, suggesting that cold weather is stil a big determinant of
sales for this sector. YTD sales are 8.8 millon kWh above forecast (+2.3%).
Washington Industrial--The customer variance was +11 (or +1.2%) and the sales variance was +3.4 Millon kWh (or
+5.4%). Schedule 25 sales were 4.0 millon kWh above forecast reversing lastmonth's variance. YTD sales are 1.8
milion kWh below forecast (-1.4%) due to pumping variances."
Washington Street Lights-The customer variance was -1.3% an the sales variance was -2.7%. This small schedule is
YTD under forecast by 0.08 milion kWh.
StafCPR_179-Attachment-B.pdf Page 2 of 3
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2008 Electric Sales (Biled) Variance Analysis
Idaho Residential-The customer variance was -167 (or -0.2%) but the sales variance was +6.6 milion kWh (or
+2.1 %). Sales were above forecast due to above normal degree days. YTD sales are 3.9 milion kWh above forecast
(or +1.0%). due to colder than forecast weather.
Idaho Commercial--The customer variance was +180 (or +1.1%) and the sales variance was +3.9 millon kWh (or
+4.6%). All schedules except 11 were above forecast due to cold weather. YTD sales are 0.9 milion kWh over the
forecast amount (or +0.5%).
Idaho Industrial--The customer variance was +5 (or +1.0%) and the sales variance was +4.0 milion kWh (or +3.9%).
Schedule 21, 25, and 25P (Potlatch) were all above forecast, even though these schedules are not weather sensitive.
YTD sales are 1.4 millon kWh over forecast (or +0.7%).
Idaho Street Lights-- The customer variance was -2.4% and the sales variance was -0.2%. This small schedule is YTD
0.005 millon kWh under forecast.
Overall--The customer variance was -357 (or -0.1%) but the sales variance was +37.5 millon kWh (or +4.4%). Cold
weather and increased industrial sales were the principal causes of the sales variance. YTD sales are 26.9 milion kWh
above forecast (or +1.5%).
January 2008 Variance Explanations
Degree Days--Heating Degree Days were 106% of normal for the calendar month but only 97% of normal for the biling
period.
Washington Residential--The customer variance was -765 (or -0.4%) but the sales variance was +0.5 milion kWh (or
+0.2%). Sales were stronger than the mild weather during billing period would imply. The customer variance was due
to a starting point variance (year-end December 2007) of -1 ,038. Thus, January 2008 had 273 more customers biled
when correcting for the starting point variance.
Washington Commercial--The customer variance was +6 (or +0.03%) and the sales variance was +2.6 millon kWh (or
+1.2%), Schedule 21 kWh sales were 2,1 millon kWh above forecast.
Washington Industrial--The customer variance was -5 (or -0.6%) and the sales variance was -5.2 Million kWh (or-
7.8%). Schedule 25 sales were 5.0 millon kWh below forecast.
Washington Street Lights--The customer variance was -1.0% an the sales variance was -2.5%.
Idaho Residential--The customer variance was +766 (or +0.7%) but the sales variance was -2.6 milion kWh (or-
1.8%). Sales were below forecast due to below normal degree days. The customer variance was due to a starting point
variance of -142. Thus, January 2008 had 908 more customers billed when correcting for the starting point variance.
Between Washington and Idaho, the customer variance washes to near zero.
Idaho Commercial--The customer variance was +197 (or +1.2%) but the sales variance was -3.0 millon kWh (or-
3.3%). All schedules were below forecast due to mild weather.
Idaho Industrial--The customer variance was -1 (or -0.2%) and the sales variance was -2.6 millon kWh (or -2.3%).
Schedule 11, 25, and 25P (Potlatch) were all below forecast.
Idaho Street Lights-The customer variance was -2.4% and the sales variance was -0.5%.
Overall--The customer variance was +192 (or +0.05%) but the sales variance was -10.7 millon kWh (or -1.2%). Mild
weather and reduced industrial sales were the principal causes of the sales variance. The customer forecast is slightly
above budget.
StafCPR _179-Attachment-B.pdf Page 3 of3
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2008 Natural Gas Forecast Variances
May 2008 and YTO Natural Gas Variance Analysis Comments
Degree Days--Spokane Heating Degree Days were 81 % of normal for the calendar month
and 116% of normal for the billng period. YTD were 107% for calendar and 106% for billng,
back into relative balance after some wide swings during the earlier months.
Washington Residential--The customer variance expanded to -1171 (or -0.9%) but the sales
variance was +1.03 milion therms (or +15%). A combination offewer customers and very
unseasonable cold biling weather contributed to the positive sales variance. YTD customer
variance is -823 but the sales variance is +2.48 millon therms (or +3.7%). The positive
variance is back into balance after some wide variances with the monthly data.
Washington Commercial-The customer variance was +30 (or +0.2%) and the sales
variance was +1.25 milion therms (or +35.2%). Cold weather contributed to much higher
sales. YTD customers are 11 above budget and salès are +3.59 milion therms (+9.0%)
above forecast due to much colder than normal weather. Use per customer forecast appears
to be tracking well for this sector.
Washington Industrial-The customer variance was -10 (or -6.8%) but the sales variance
was +0.009 millon therms (or +3.5%). YTD sales are 0.038 milion therms above forecast
(or +2.2%).
Washington Interruptible-- The sales were on budget. YTD sales are +0.023 milion therms
(+6.8%) above forecast.
Washington Interruptible Transportation--The volume variance was +1.11 milion therms (or
+23.0%). Commercial & Industrial transportation was significantly above the forecast as
production volatility continues. YTD sales are 3.40 millon therms above forecast (or
+11.5%). This positive sales variance has been sustained since January.
Idaho Residential--The customer variance was -476 (or -0.7%) but the sales variance was
+0.61 milion therms (or +20.3%). Sales were affected by the very cold weather in the billng
period. YTD customers are -375 from forecast and sales are +1.69 millon therms above
forecast (or +6.0%). Given the cold weather, sales are now close to expected as use per
customer on a weather adjusted basis.
Idaho Commercial--The customer variance was +34 (or +0.4%) and the sales variance was
+0.48 miliontherms (or +32.8%). Above budget degree days did result in increased sales.
YTD customers are +60 above forecast and sales are +1.55 millon thems above the
forecast (or +10.5%) due to cold weather. This sector seems to be responding within
tolerance given the colder weather.
Idaho Industrial--The customer variance was -5 (or -4.9%) but the sales variance was
+0.013 millon therms (or +8.2%). This was largely a weather related variance. YTD sales
are +0.135 million therms above forecast (+11.5%), again due to colder weather and a
conservatively low forecast.
Idaho Interruptible--The sales forecast for this small schedule was 9.6% above budget and
YTD is now 1.9% abpve budget.
Idaho Firm Transportation--The volume variance was -0.81 milion therms (or -21.0%). YTD
is 0.34 millon therms below the forecast (or -1.8%).
Idaho Interruptible Transportation--The volume variance was ~O,9a milion therms (or -79%).
Potlatch switched interruptible to firm. YTD is 4.47 milion theì-ns below forecast (or -79%).
Degree Days--Medford Heating Degree Days were 80% of normal for the calendar month
and but were 105% of normal for the billng period. YTD is 107% for calendar and 106% for
billing.
StafCPR_179-Attachment-C.pdf Page 1 of?
2008 Natural Gas Forecast Variances.Oregon Residential-- The customer variance was -1237 (or -1.5%) but the sales variance
was +0.34 millon therms (or +9.3%). The cold billng period weather contributed to this large
variance. YTD the customer variance is - 977 but the sales variance is +1.81 millon therms
(or +5.6%) due to the very cold weather.
Oregon Commercial--The customer variance was -73 (or -0.7%) but the sales variance was
over budget by +0.35 millon therms (or -16.0%), YTD the customer variance is -57 while the
sales variance is -0.17 millon therms (-0.8%). With the cold weather we would have
expected this class to have a large positive variance.
Oregon Industrial--This small segment variance was +0.0015 milion therms (or +7.0%). YTD
sales are 2.6% above budget.
Oregon Interruptible--The sales variance was -0.052 millon therms (or -12.3%). YTD
variance is -0.35 milion therms (or -15,6%).
Oregon Transportation--The volume variance was -0.199 milion (or -7.5%). YTD variance is
0.83 millon therms (or -6.0%). Some lumber mils have temporarily closed due to high
inventory.
Oregon Special Contract--The volume variance was -0.12 millon (or -27%). YTO volume
variance is -1.01 millon therms (or -45%). Lumber mil temporary shutdowns have caused
this variance.
Overall-The customer variance was -2,907 (or -0.9%) but the sales/volume variance was
+3.04 milion therms (or +8.8%). Colder weather in all areas boosted sales. The YTD
customer variance is -2,175 (or -0.7%) due to a pesky housing downturn, while the YTD
sales variance only +7.56 milion therms (or +2.7%), with colder weather offsetting all the
roduction cutbacks from larger industrial customers.
April 2008 and YTD Natural Gas Variance Analysis Comments.Degree Days--Spokane Heating Degree Days were 111 % of normal for the calendar month
and only 101% of normal for the billng period. YTD were 107% fo~ calendar and 102% for
billng. April 2008 was the 5th coldest April of record for calendar heating degrees.
Washington Residential--The customer variance expanded to -898 (or -0.7%) but the sales
variance was +2.33 millon therms (or +24%). A combination offewer customers and very
unseasonable cold weather contributed to the negative sales variance. YTD customer
variance is -736 but the sales variance is +1.45 millon therms (or +2.4%). The positive sales
variance is now indicating that the use per customer forecast for the winter period in
Washington was too high, since colder weather did not lead to dramatically higher than
expected sales.
Washington Commercial--The customer variance was +4 (or +0.03%) and the sales
variance was +1.84 million therms (or +33.6%). Cold weather contributed to much higher
sales. YTD customers are 7 above budget and sales are +2.33 milion therms (+6.4%) above
forecast due to much colder than normal weather. Use per customer forecast appears to be
tracking well for this sector.
Washington Industrial--The customer variance was -10 (or -6.8%) but the sales variance
was +0.042 millon therms (or +15.9%). YTD sales are 0.029 millon therms above forecast
(or +2.0%).
Washington Interruptible--The sales variance was +0.004 millon therms (or +5.8%). YTD
sales are +0.024 milion therms (+8.3%) above forecast.
Washington Interruptible Transportation--The volume variance was +1.04 millon therms (or
+19.7%). Commercial & Industrial transportation was significantly above the forecast as
production volatilty continues. YTD sales are 2.29 milion therms above forecast (or +9.3%).
This positive sales variance is a welcome surprise..n
StafCPR_179-Attachment-C,pdf Page 2of7
2008 Natural Gas Forecast Variances.Idaho Residential--The customer variance was -493 (or -0.8%) but the sales variance was
+1.10 millon therms (or +25.4%). Sales were affected by the very cold weather in the biling
period. YTD customers are -350 from forecast and sales are +1.09 milion therms above
forecast (or +4.3%). Given the cold weather, sales have been less than expected as use per
customer on a weather adjusted basis should be higher.
Idaho Commercial--The customer variance was +70 (or +0.9%) and the sales variance was
+0.77 millon therms (or +36.6%). Above budget degree days did not result in increased
sales. YTD customers are +66 above forecast and sales are +1.07 millon thems above the
forecast (or +8.0%) due to cold weather. This sector seems to be responding within
tolerance given the colder weather.
Idaho Industrial--The customer variance was -5 (or -4.9%) but the sales variance was
+0.047 millon therms (or +25.5%). This was largely a weather related variance. YTD sales
are +0.122 millon therms above forecast (+12.0%), again due to colder weather and a
conservatively low forecast.
Idaho Interruptible--The sales forecast for this small schedule was 5.3% above budget and
YTD is now 0.5% abpve budget.
Idaho Firm Transportation--The volume variance was -0.41 millon therms (or -10.9%). YTD
is 0.47 million therms above the forecast (or +3.1%) due to Potlatch switching from
interruptible to firm.
Idaho Interruptible Transportation--The volume variance was -0.93 millon therms (or -83%).
Potlatch switched interruptible to firm. YTD is 3.49 milion therms below forecast (or -79%).
This schedule is a very good example of price elasticity in action.
Degree Days--Medford Heating Degree Days were 115% of normal for the calendar month
and only 118% of normal for the billng period. YTD is 109% for calendar and 107% for
biling. For the calendar period, this is the coldest first four months in over 25 years for
Medford. La Nina is having her effect this year; everyone in Oregon is hoping for a return to
global warming; everyone except Avista, recognizing cold weather is good for business.
Oregon Residential-- The customer variance was -1124 (or -1.3%) but the sales variance
was +0.76 millon therms (or +15.7%). The cold billng period weather contributed to this
large variance. YTD the customer variance is - 917 but the sales variance is +1.47 milion
therms (or +5.2%) due to the very cold weather everyhere.
.
Oregon Commercial--The customer variance was -34 (or -0.3%) but the sales variance was
under budget by -1.43 milion therms (or -30%) due entirely to schedule 420 below forecast.
YTD the customer variance is -57 while the sales variance is -0.52,milion therms (-2.8%).
Oregon Industrial--This small segment variance was +0.0002 millon therms (or +1.1%). YTD
sales are 1.5% above budget.
Oregon Interruptible--The sales variance was -0.094 milion therms (or -23.1%). YTD
variance is -0.30 milion therms (or -16.4%).
Oregon Transportation--The volume variance was +0.074 million (or +2.8%). YTO variance
is -0.63 million therms (or -5.6%). Some lumber mils have temporarily closed due to high
inventory, although March now looks like a return to more normal production levels.
Oregon Special Contract--The volume variance was -0.17 millon (or -38%). YTD volume
variance is -0.89 milion therms (or -50%). Lumber mil temporary shutdowns have caused
this variance.
Overall--The customer variance was -2,489 (or -0.8%) but the sales/volume variance was
+4.99 milion therms (or +11.0%). Colder weather in all areas boosted sales. The YTD
customer variance is -1,992 (or -0.6%) due to a pesky housing downturn, while the YTD
sales variance only +4.52 millon therms (or +1.8%), with colder weather offsetting all the
production cutbacks from larger industrial customers..
StafCPR_179-Attachment-C.pdf Page 3 of7
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2008 Natural Gas Forecast Variances
March 2008 and 1 st Quarter Natural Gas Variance Analysis Comments
Degree Days--Spokane Heating Degree Days were 111 % of normal for the calendar month
and only 101 % of normal for the billng period. YTD were 107% for calendar and 102% for
billng.
Washington Residential--The customer variance expanded to -873 (or -0.7%) and the sales
variance was -0.98 millon therms (or -7.1 %). A combination of fewer customers and low
response to cold weather contributed to the negative sales variance. YTD customer variance
is -681 but the sales variance is -0,89 milion therms (or -1.7%). The negative sales variance
is now indicating that the use per customer forecast for the winter period in Washington was
too high, since colder weather did not lead to higher than expected sales.
Washington Commercial--The customer variance was +31 (or +0.2%) and the sales
variance was -0.27 millon therms (or -3.2%). Cold weather did not contribute to higher sales.
YTD customers are 7 above budget and sales are 0.49 milion therms (+1.6%)above
forecast, due to colder than normal weather. Use per customer forecast appears to be
tracking well for this sector.
Washington Industrial--The customer variance was -7 (or -4.7%) but the sales variance was-
0.026 millon therms (or -7.5%). YTD sales are 0.014 milion therms below forecast (or-
1.1 %). The slower economy contributed to this negative sales variance.
Washington Interruptible--The sales variance was +0.003 millon tlÏerms (or +3.7%). YTD
sales are 0.02 milion therms (+9.0%) above forecast.
Washington Interruptible Transportation--The volume variance was +0.47 millon therms (or
+8.0%). Commercial & Industrial transportation was significantly above the forecast as
production volatiity continues. YTD sales are 1.25 millon therms above forecast (or +6.4%).
This positive sales variance is a welcome surprise.
Idaho Residential--The customer variance was -321 (or -0.5%) and the sales variance was-
0.17 millon therms (or -2.8%). Sales were not affected by the cold weather in the billing
period. YTD customers are -302 from forecast and sales are 0.01 million therms below
forecast (or -0.1 %). Given the cold weather, sales have not responded as expected as use
per customer on a weather adjusted basis should be higher.
Idaho Commercial-The customer variance was -11 (or -0.1 %) and the sales variance was -
0.07 millon therms (or -2.1 %). Above budget degree days did not result in increased sales.
YTD customers are +65 above forecast and sales are 0.30 millon thems above the forecast
(or +2.7%) due to cold weather during the quarterly billng period. This sector seems to be
responding within tolerance given the colder weather.
Idaho Industrial--The customer variance was -1 (or -1.0%) but the sales variance was +0.03
milion therms (or +12.6%). This was largely a weather related variance. YTD sales are
0.075 milion therms above forecast (+9.1%), again due to colder weather and a
conservatively low forecast.
Idaho Interruptible--The sales forecast for this small schedule was 7.5% above budget and
YTD is 0.8% below budget.
Idaho Firm Transportation--The volume variance was -0.79 O'iIion,therms (or -20.4%).
Potlatch was over budget because it switched interruptible to firm. YTD is 0.88 millon therms
above the forecast (or +7.8%) due to Potlatch switching from interruptible to firm.
Idaho Interruptible Transportation--The volume variance was -0.85 millon therms (or -83%).
Potlatch switched interruptible to firm. YTD is 2.57 millon therms below forecast (or -78%).
Degree Days--Medford Heating Degree Days were 115% of normal for the calendar month
but only 99% of normal for the weirdest yet billng period. For calendar, Roseburg was 120%,
Klamath Falls 116% and LaGrande only 107%, as widespread cold weather engulfed all of
Oregon. YTD calendar Medford is 108%, Roseburg 116%, Klamath Falls 120% and La
Grande 101%.
StafCPR_179-Attchment-C.pdf Page 4 of7
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2008 Natural Gas Forecast Variances
Oregon Residential--The customer variance jumped up this month to -1104 (or -1.3%) and
the sales variance was -0.48 milion therms (or -7.2%). The relatively mild billng period
weather combined with continued high gas prices contributed to this large variance. YTD the
customer variance is - 841 but the sales variance is +0.71 milion tnerms (or + 7.1 %) due to
the very cold weather everyhere; with the cold calendar weather, I expect April wil be a
stronger than forecast sales month as the calendar weather feeds into Aprils biled weather
and sales.
Oregon Commercial--The customer variance was -30 (or -0.3%) but the sales variance was
on budget at +0.01 milion therms (or +15.0%) as the near normal biling weather matched
forecast sales. YTD the customer variance is -64 while the sales variance is 0.92 milion
therms (+6.8%). It appears this sector forecast was too conservative during first quarter.
Oregon Industrial--This small segment variance was +0.0003 milion therms (or +1.4%). YTD
sales are 1.7% above budget.
Oregon Interruptible--The sales variance was +0,029 millon therms (or +7.9%). YTD
variance is -0.21 milion therms (or -14.4%).
Oregon Transportation--The volume variance was +0.024 million (or +0.9%). YTD variance
is -0.71 millon therms (or -8.2%). Some lumber mils have temporarily closed due to high
inventory, although March now looks like a return to more normal production levels,
Oregon Special Contract--The volume variance was -0.17 milion (or -40%). YTD volume
variance is -0.72 millon therms (or -54%). Lumber mil temporary shutdowns have caused
this variance.
Overall--The customer variance was -2,316 (or -0.7%) and the saleslvolume variance was-
3.23 millon therms (or -5.7%). Colder weather sales in Oregon were swamped by warmer
weather cutbacks in Washington & Idaho in March. The YTD customer variance is -1,826 (or
-0.6%) due to a housing downturn, while the YTD sales variance only -0.47 million therms,
with colder weather during the billng period quarter nearly dffsettihg all the production
cutbacks from larger industrial customers.
February 2008 Natural Gas Variance Analysis Comments
Degree Days--Spokane Heating Degree Days were 104% of normal for the calendar month
and only 109% of normal for the billng period. YTD were 105% for calendar and 103% for
biling.
Washington Residential--The customer variance was -532 (or -0.4%) but the sales variance
was +0.98 millon therms (or +5.3%). A combination of fewer customers but cold weather
contributed to the postive sales variance. YTD customer variance is -586 but the sales
variance is 0.1 million therms (or +0.3%).
Washington Commercial--The customer variance was -71 (or -0.5%) but the sales variance
was +1.09 milion therms (or +10.1%). Cold weather contributed to higher sales. YTD
customers are 5 below budget and sales are 0.76 millon therms above forecast, due to cold
weather.
Washington Industrial--The customer variance was -14 (or -9.2%) but the sales variance
was -0.01 millon therms (or -1.6%). YTD sales are 0.01 milion therms above forecast (or
+1.4%).
Washington Interruptible--The sales variance was +0.02 milion therms (or +25%). YTD
sales are 11.6% above forecast.
Washington Interruptible Transportation--The volume variance was +1.56 millon therms (or
+26.2%). Commercial & Industrial transportation was significantly above the forecast as
production volatility continues. YTD sales are 0.78 million thèrlls ~bove forecast (or +5.8%).
StafCPR_179-Attchment-C.pdf Page 5 of7
2008 Natural Gas Forecast Variances.Idaho Residential--The customer variance was -327 (or -0.5%) but the sales variance was
+0.38 milion therms (or +5.2%). Sales were largely affected by the cold weather in the biling
period. YTD customers are -293 from forecast but sales are 0.16 millon therms above
forecast (or 1.0%).
Idaho Commercial--The customer variance was +126 (or +1.6%) and the sales variance was
+0.53 milion therms (or +13.9%). Again, above budget degree days greatly increased sales.
YTD customers are +103 above forecast and sales are 0.37 millon thems above the
forecast (or +4.5%) due to cold weather during the billng period.
Idaho Industrial--The customer variance was -1 (or -1.6%) but the sales variance was +0.05
milion therms (or +18.5%). This was largely a weather related variance. YTD sales are 0.04
milion therms above forecast (+7.6%), again due to cold weâther.'
Idaho Interruptible-The sales forecast for this small schedule was 7.7% below budget and
YTD is 4.2% below budget.
Idaho Firm Transportation--The volume variance was +0.72 milion therms (or +20.2%).
Potlatch was over budget because it switched interruptible to firm. YTD is 1.67 milion therms
above the forecast (or +22.6%) due to Potlatch switching from interruptible to firm.
.
Idaho Interruptible Transportation--The volume variance was -0.83 millon therms (or -76%).
Potlatch switched interruptible to firm. YTD is 1.72 millon therms below forecast (or -75%).
Degree Days--Medford Heating Degree Days were 104% of normal for the calendar month
and 110% of normal for the billng period. For calendar, Roseburg was 110%, Klamath Falls
129% but LaGrande only 94%, as widespread cold weather engulfed Southwest Oregon.
YTD calendar Medford is 106%, Roseburg 114%, Klamath Falls 121% and La Grande 99%.
La Nina is having her effect this year.
Oregon Residential--The customer variance was -676 (or -0.8%) but the sales variance was
+0.55 milion therms (or +6,7%). Colder than normal weather contributed to this large
variance. YTD the customer variance is - 710 but the sales variance is +1.20 millon therms
(or +7.1%) due to the very cold weather everywhere but La Grande.
Oregon Commercial--The customer variance was -81 (or -0.6%) but the sales variance was
+0.68 milion therms (or +15.0%) as the cold weather drove higher than forecast sales. YTD
the customer variance is -81 while the sales variance is 0.9Qmillqn therms (+9.3%).
Oregon Industrial--This small segment variance was +0.004;Ì'illion therms (or +19.6%). YTD
sales are on budget.
Oregon Interruptible--The sales variance was -0.22 millon therms (or -2.6%).
Oregon Transportation--The volume variance was -0.93 millon (or -32%). Some lumber mills
have temporarily closed due to high inventory.
Oregon Special Contract--The volume variance was -0.28 millon (or -70%). Lumber mill
temporary shutdowns also caused this variance.
Overall--The customer variance was -1,602 (or -0.5%) but the saleslvolume variance was -
2.69 millon therms (or -3.7%). Colder weather sales in Oregon were swamped by warmer
weather cutbacks in Washington & Idaho.
January 2008 Natural Gas Variance Analysis Comments
Degree Days--Spokane Heating Degree Days were 106% of normal for the calendar month
but only 97% of normal for the biling period.
Washington Residential--The customer variance was -639 (or -0.5%) and the sales variance
was -0.88 millon therms (or -4.7%). A combination of fewer customers and mild weather
contributed to the negative sales variance. A starting point variance of -777 led to faster
growth between actual year-end 2007 and January 2008 of +138.
Washington Commercial--The customer variance was +62 (or +0.5%) but the sales variance
was +0.34 million therms (or -2.9%). Mild weather contributed to fewer sales..
StafCPR_179-Attachment-C.pdf Page 6 of?
2008 Natural Gas Forecast Variances.Washington Industrial--The customer variance was -8 (or -5.4%) but the sales variance was
+0.02 millon therms (or +4.3%).
Washington Interruptible--The sales variance was -0.001 milion therms (or -1.9%).
Washington Interruptible Transportation--The volume variance was -0.78 millon therms (or-
10.2%). Commercial & Industrial transportation was significantly below the estimates.
Idaho Residential-The customer variance was -258 (or -0.4%) and the sales variance was-
0.23 million therms (or -2.9%). Sales were largely affected by the mild weather in January.
We added 93 more customers between actual December 2007 and estimated incremental
January 2008 than the forecast.
Idaho Commercial-- The customer variance was +79 (or +1.0%) but the sales variance was -
0.17 milion therms (or -3.9%). Again, below budget degree days reduced sales.
Idaho Industrial--The customer variance was +3 (or +3.0%) and the sales variance was-
0.008 millon therms (or -2.7%). This was largely a weather related variance.
Idaho Interruptible-- The sales forecast was on budget.
Idaho Firm Transportation--The volume variance was +0.95 millon therms (or +24.8%).
Potlatch was over budget because it switched interruptible to firm.
Idaho Interruptible Transportation--The volume variance was -0.89 milion therms (or -75%).
Potlatch switched interruptible to firm.
.
Degree Days--Medford Heating Degree Days were 107% of normal for the calendar month
and 102% of normal for the billng period. For calendar, Roseburg was 117%, Klamath Falls
116% and LaGrande 104%. as widespread cold weather engulfed the whole Northwest.
Oregon Residential--The customer variance was -744 (or -0.9%) but the sales variance was
+0.64 million therms (or +7.5%). Colder than normal weather contributed to this large
variance.
Oregon Commercial--The customer variance was -97 (or -0.9%) but the sales variance was
+0.22 millon therms (or +4.3%)
Oregon Industrial--This small segment variance was -0.003 millon therms (or -15.8%).
Oregon Interruptible--The sales variance was -0.010 millon therms (or -34.0%). Interruptions
during the biling period hampered sales in this sector.
Oregon Transportation-The volume variance was +0.20 millon (or +7.0%). The cold
weather boosted sales at hospital and university customers.
Oregon Special Contract--The volume variance was -0.26 milion (or -53%). Lumber mil
temporary shutdowns caused this variance.
Overall--The customer variance was -1,559 (or -0.5%) but the sales/volume variance was
+5.44 million therms (or +7.9%). Colder weather let to strong sales in all jurisdictions.
offsetting weak transportation sales. YTD sales are 2.56 milion therms above forecast (or
+1.9%) due to strong sales to firm customers offset by weak sales to transportation
customers.
.
StafCPR_179-Attachment-C.pdf Page 7 of7
.
.
.
JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
REQUEST:
A VISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION
IDAHO
AVU-E-08-01 1 AVU-G-08-01
IPUC
Production Request
Staff-180
DATE PREPARD:
WITSS:
RESPONDER:
DEPARTMNT:
TELEPHONE:
07/07/08
Clint Kalich
Clint Kalich
Energy Resources
[phone]
On what date was the 2009 load forecast used in AURORA modeling runs prepared? When wil
the next 2009 load forecast be prepared and available?
RESPONSE:
See Avista's response to Staff Data Request No. 181.
.
.
.
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMATION
JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
IDAHO
A VU-E-08-01 1 A VU-G-08-01
IPUC
Production Request
Staff-181
DATE PREPARD:
WITSS:
RESPONDER:
DEPARTMENT:
TELEPHONE:
07/1112008
Clint Kalich
Randy Barcus
Finance
[phone]
REQUEST:
Does the Company have any indications or analysis available at this point to make a judgment
about whether the new 2009 load forecast wil be higher or lower than the 2009 load forecast used
in AURORA modeling rus? If so, please provide any analysis and discuss expected differences
between the new 2009 forecast and the old 2009 forecast. Discuss any changes in assumptions
with regard to DSM activity, retail price increases and elasticity, major changes in economic
activity, and major changes in large customer loads.
RESPONSE:
The forecast filed in the Company's curent case was prepared in July 2007, which included actual
data through May 2007. The Company has prepared a draft updated load forecast for 2009, which
includes actual load data through May 2008. Ths current draft is preliminar at this time, and wil
not become finalized until the Fall of 2009 when it wil be presented to the Technical Advisory
Committee as part ofthe Integrated Resource Plan. With this curent draft, retail sales are expected
to be 32 milion kWh higher, which is an increase of 0.3 percent, compared to the forecast for 2009
that was filed in ths case.
In the Fall of 2006 the Company had prepared the last IR forecast. After that time, the Company
updated the sales forecast in July 2007 (used in this case) since national and regional economic
growth had slowed. The preliminar forecast prepared in July 2008 reflects changes impacting
loads durng the past year.
Increases in the residential sales forecast amount to 11 milion kWh, with approximately 4,000
fewer customers in 2009 from the housing construction slowdown. The customer percentage
reduction is 1.3 percent, with total residential sales increased by 0.3 percent, resulting in a 1.6
percent increase in average use per customer. The net increase in average use per customer is due
to higher weather adjusted use per customer after a very cold winter, offset by higher levels of
DSM activity and expectations of higher retail price elasticity response.
Increases in the commercial sales forecast amount to 26 milion kWh, which is a 0.8 percent
increase. Ths increase in use is the result of a higher forecast of big box stores, a faster pace of
expansion in the unversity and hospital sector, which is then parially offset with aggressive DSM
implementation which was viewed as a resource in the prior IR forecast.
Reductions in the industral sales forecast amount to 4 milion kWh, which is a reduction of 0.2
percent. Although mining-related loads and aircraft pars have been increasing faster than
expected, the sales forecasts in lumber and wood products, paper processing, and foundry have
Page i of2
.
.
.
been affected by the national and regional business cycle. The Company believes the present
business cycle wil be at an ebb in 2009, and expects that many lumber and wood products
businesses will resume some lost production as the housing cycle uptu occurs in 2010 and
beyond.
The remaining 1 milion kWh sales forecast reduction is in the street lighting sector, which was
reduced in concert with lower residential development and DSM program effects.
Page 2 of2
.
.
.
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION
JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
DATE PREPARD:
WITSS:
RESPONDER:
DEPARTMENT:
TELEPHONE:
07/09/2008
Tara Knox
Tara Knox
State & Federal Regulation
[phone]
IDAHO
A VU-E-08-01 1 A VU-G-08-01
IPUC
Production Request
Staff-182
REQUEST:
What assumptions were made about normal weather in the 2009 load forecast used in AURORA
modeling rus? Discuss the effect in any new load forecasts if a 25-year rollng average of
weather conditions is used instead.
RESPONSE:
The NOAA 30 year normal 1971 to 2000 values were used to adjust historical biling data in the
development of trends to estimate 2009 usage in the load forecast used in AURORA modeling
rus for power supply costs. Please see the attached Knox workpaper pages TLK-W23 and
TLK- W24 which show the comparison of monthly heating and cooling degree days from the
NOAA 30 year normal publication versus the 25 year average.
Given no other changes, I would expect that usage would be lower in Januar and the shoulder
months, and higher in the summer months (especially July) if weather had been normalized to the
25 year rollng average in the forecast. On an anual basis, 2009 usage would be slightly lower
from which we would expect slightly lower power supply costs, which would be offset by a
smaller production property adjustment resulting in approximately the same revenue requirement.
The new forecast (that also uses the 30 year normal's) has higher loads than the forecast used in the
AURORA modeling runs in this case (see response to Staff Production Request No. 181). Ifa 25
year rolling average had been used in the development of the new forecast, the associated decrease
in usage would have been offset by the changes in forecasted expectations, resulting in similar or
higher volumes as those presented in the case.
.
.
.
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JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
REQUEST:
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION
IDAHO
A VU-E-08-01 1 A VU-G-08-01
IPUC
Production Request
Staff-l 85
DATE PREPARD:
WITSS:
RESPONDER:
DEPARTMNT:
TELEPHONE:
07109108
Don Kopczynski
Amanda Reinhardt
Customer Service
[phone]
The chart included in A vista's response to Staff Production Request No.118, shows a considerable
decline in the number of accounts enrolled in the Winter Payment Plan from 2006 to 2008. To
what does A vista attbute this decline?
RESPONSE:
Please note that the char provided in 118, and copied below, shows two years of data (2004-2006)
for the first line item:
# of Accounts enrolled on a
Year Winter Payment Plan
2004 - 2006 818
2006 - 2007 337
2007 - 2008 391
On average, there were 409 accounts enrolled in 2004-2005 and in 2005-2006. When comparng
the winter of2007-08 to the average for 2004-2006, the number of accounts enrolled only dropped
by 4.4%.
.
.
.
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION
JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
IDAHO
A VU-E-08-01 1 A VU-G-08-01
IPUC
Production Request
Staff-186
DATE PREPARD:
WITSS:
RESPONDER:
DEPARTMENT:
TELEPHONE:
07/09108
Don Kopczynski
Gayle Kimsey
Customer Service
[phone]
REQUEST:
In Avista's response to Staff Production Request No. 65, the Company witness stated a weekly
report was generated for all new opens and that this report was used for monitoring when
customers may be eligible to move from one rate to another. Please provide an actual copy of the
report with details of how it is read and interreted.
RESPONSE:
The report identifies open date, account number, rate schedule (RT), revenue class, and customer
name. The following is the process utilzed in reading and interpreting the report.
. Step 1 - Verfy the customer name, rate schedule, and revenue class assigned to the
premise.
. Step 2 - Determine if the new open is a commercial or residential name.
. Step 3 - Verify if the rate schedule corresponds with the account name. If it does not, such
as a commercial name and residential rate schedule, furter investigation is done; the same
process is utilized for accounts with a residential name and commercial rate.
Please also see Avista's response 186C, which contains TRADE SECRET, PROPRIETARY or
CONFIDENTIAL information and exempt from public view and is separately fied under
IDAPA 31.01.01, Rule 067 and 233, and Section 9-340D, Idaho Code, and pursuant to the
Protective Agreement between Avista and IPUC Staff dated March 13,2008.
.
.
.
JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
REQUEST:
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION
IDAHO
A VU-E-08-01 1 A VU-G-08-01
IPUC
Production Request
Staff-187
DATE PREPARD:
WITNSS:
RESPONDER:
DEPARTMNT:
TELEPHONE:
07/09108
Don Kopczynski
Amanda Reinhardt
Customer Service
[phone]
In 2007, how many actual physical connections of servce for both gas and electrc meters were
pedormed by A vista service personnel during regular working hours? Please provide ths information
by customers with: (1) gas only; (2) electrc only; and (3) combined gas and electrc.
RESPONSE:
Detailed below are the number of reconnections pedormed durng regular business hours (8 am - 5
pm) in 2007:
Gas Accounts 301
Electrc Accounts 2,357
Combination Accounts 2,435
.
.
.
JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
REQUEST:
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION
IDAHO
A VU-E-08-01 1 A VU-G-08-01
IPUC
Production Request
Staff-188
DATE PREPARD:
WITSS:
RESPONDER:
DEPARTMENT:
TELEPHONE:
07/09108
Don Kopczynski
Amanda Reinhardt
Customer Service
[phone]
Please provide the total number of residential and small commercial customers who receive a
monthly bil for both natual gas and electrc usage on one statement.
RESPONSE:
As of 71212008 there are 51,747 residential accounts with a combined statement for electrc and
gas services; and there are 6,741 commercial accounts with a combined statement for electrc and
gas services. Avista's systems canot separate out "small commercial" from all commercial
accounts.
A VISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION.JUSDICTION:IDAHO DATE PREPARD:07/09/2008
CASE NO: AVU-E-08-01 1 AVU-G-08-01 WITSS:Dave Defelice
REQUESTER:IPUC RESPONDER:Howard Grimsrud
TYE:Production Request DEPARTMNT:Projects and Fixed
Assets Accounting
REQUEST NO.:Staff-189 TELEPHONE:[phone]
REQUEST:
Please describe the process by which costs associated with abandoned projects are recorded.
Please include withn your response the total costs recorded in 2007 by account and a detailed
spreadsheet (in Excel format) identifyng the project number, project description, expenditue
type, vendor description, transaction description, transaction amount, date posted,
document/transaction number, and total amount posted.
RESPONSE:
.Costs are recorded in capital or suspense projects until the project becomes used and useful in
utility operations. Once the project is deemed used and useful, the costs are transferred to plant in
service. During construction, costs are reported in account 107 (Construction Work in Progress)
for capital projects. For suspense projects, costs are reported in either account 183 (Preliminar
Surey and Investigation Study Costs), or account 186 (Miscellaneous Deferred Debits) for
suspense projects. When a utility project is approved, a project number is assigned and costs
begin to accrue. If the utility project is subsequently abandoned, the costs are expensed to an
operating or maintenance expense account or overhead pooL. The original project is 'hard' closed
to prevent recording of any additional costs.
The following projects have been abandoned. The attached spreadsheet files list the transactions
recorded in these projects durng the 2007 test year.
. Staff_PR_189-Attachment A - Cabinet Gorge Wastewater - Engineering study
determined that the installation of a purifier would provide no benefit. Project costs wrtten
off to operating expense in 2007.
. Staff_PR_189-Attachment B - Ross Park Building - Project cancelled due to
escalating costs. Project costs written offto maintenance expense in 2008 since the facility
was intended to be used for utility operations.
.
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AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION
JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
IDAHO
A VU-E-08-01 1 A VU-G-08-01IPUC .
Production Request
Staff-190
DATE PREPARD:
WITSS:
RESPONDER:
DEPARTMNT:
TELEPHONE:
07/09108
Elizabeth Andrews
Jeane Pluth
State & Federal Reg.
[phone]
REQUEST:
Please provide all documentation and transactions relating to the following projects in hard copy
and electronically in Excel format with formulas activated. Please include, at a minimum, the
following information: the project number, expenditue type, vendor description, transaction
description, transaction amount, date posted, document/transaction number, and total amount
posted year-to-date. Please also include estimated staring dates and estimated dates of completion
for each project. Identify any of the projects no longer on schedule for completion by the end of
2008.
.
RESPONSE:
a. ER#3001 Replace Deterorating Gas System
b. ER#3003 Gas Replace-St.& Hwy
c. ER#3112 Re-Rte Kettle Falls Fdr & Gate Station
d. ER#3122 Qualchan Reinforcement
e. ER#3203 East Medford Reinforcement
f. ER#3204 Roseburg Reinforcement
g. ER#3246 Reinforce Gate Station Post Falls Idaho
h. ER#3251 Sutherlin HP Reinforcement
a.
b.
c.
d.
e.
f.
g.
h..
The data requested has been provided as follows:
ER#3001 Replace Deteriorating Gas System - StafCDR_190-Attachment A
ER#3003 Gas Replace-St.& Hwy - StafCDR_190-Attachment B
ER#3112 Re-Rte Kettle Falls Fdr & Gate Station - Washington project, therefore, no
detail was provided.
ER#3122 QuaIchan Reinforcement - Washington project, therefore, no detail was
provided.
ER#3203 East Medford Reinforcement - Oregon project, therefore, no detail was
provided.
ER#3204 Roseburg Reinforcement - Oregon project, therefore, no detail was
provided.
ER#3246 Reinforce Gate Station Post Falls Idaho - StafCDR_190-Attachment C
(Also, ER#3252 has been provided in StafCDR_190-Attachment D. This ER was
added as a replacement to ER#3246.)
ER#3251 Sutherlin HP Reinforcement - Oregon project, therefore, no detail was
provided.
AVISTA UTILITIES ER# 3001
ltesc 13001 IReplace Deteriorating Gas System
Sum of Transaction Amt SUM Jurisdiction
Accounting Year ID OR WA Grand Total
2005 31,376.77 713,970.24 197,544,78 942,891.79
2006 121,306.21 653,642.05 46,202.81 821,151.07
2007 9,368.42 853,021.08 142,290.71 1,004,680.21
2008 186,17 255,642.26 (17,202,28)238,626.15
Grand Total 162,237.57 2,4 76,275,63 368,836.02 3,007,349.22
.
.
Detail-Pivot StafCPR_190-Attachment A.xls Page 1 of 1
AVISTA UTILITIES ER# 3003
.esc 3003
Gas Replace-St&Hwy
Sum of Transaction Amt SUM Jurisdiction
Accounting Year AN ID OR WA Grand Total
2005 (107,90)324,484.12 1,206,764,64 557,743.14 2,088,884.00
2006 273,655.62 1,070,983.88 358,242,35 1,702,881.85
2007 135,782,13 447,601,64 397,808,90 981,192.67
2008 98,485.22 78,585,94 95,884.40 272,955.56
Grand Total (107.90)832,407.09 2,803,936.10 1,409,678.79 5,045,914.08
.
.
Detail-Pivot StafCPR_190-Attachment B.xls Page 1 of 1
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JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
REQUEST:
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION
IDAHO
A VU-E-08-01 1 A VU-G-08-01
IPUC
Production Request
Staff-191
DATE PREPARD:
WITSS:
RESPONDER:
DEPARTMNT:
TELEPHONE:
07/10108
Greg Paulsen
Patrck Ehrbar
State & Federal Reg.
[phone]
Please provide an updated AM cost!enefit analysis, similar to what the Company fied as
Exhibit No. 13 in A VU - E-04-0 1 and A VU-G-04-0 1, using the current expenses listed in Greg
Paulson's Exhibit No. 12, Schedule 2 of the curent case.
RESPONSE:
Please see the attached Excel spreadsheets "StafCPR_191-Attachment A.xls" which is the
updated analysis with AFC, and "Staff_PR_191-Attachment B.xls", which is the updated
analysis without AFUDC. These spreadsheets were also provided to Staff durng their site visit
July 7-July 10, 2008.
.
.
.
AMR Estiated Rate Impact
Idaho AMR
Leve1ized Revenue
Requirement
2009Pr() forma Idaho ElectricCapital Investment $22,299,733
Revenue
AMR$lmpact
AMR%
$
$
230,157,000 $
1,776,932
0.77%
2009 Pro forma Idaho GasCapital Investment $
Revenue
AMR$ Impact
AMR%
$
$
86,605,000 $
403,177 $
0.47%
Notes:
1. Assumes 20yr book life of AMR-Elec; ISyr life of AMR-Gas
NoAMR
Levelized
Revenue
Requirement
Incremental
Levelized
Revenue
Requirement
230,157,000 $
$761,544 $
0.33%
. 86,605,000 $
228,340 $
0.26%
Assumes traditional meter reading cost escalation & 3.5% per year
Includes AFUDC from deferred accounting treatment
Includes Fixed Overheads
Slaff_PR_191-Attehmenl A.xls
230,157,000
1,015,388
0.44%
86,605,000
174,837
0.20%
.
.
.
AM Estimated Rate Impact
Idaho AMR
Levelized Revenue
Requirement
2009. Proforma Idaho EleçtricCapital Investment $16,382,703
Revenue
AMR$lmpact
AMR%
$
$
230,157,000 $
1,110,139
0.48%
NoAMR
Levelized
Revenue
Requirement
230,157,000 $
$761,544 $
0.33%
Incremental
Levelized
Revenue
Requirement
230,157,000
348,595
0.15%
Revenue
AMR$lmpact
AMR%
$
$
86,605,000 $
150,267 $
0.17%
Notes:
1. Assumes 20yr book life of AMR-Elec; ISyr life of AMR-Gas
86,605,000 $
228,340 $
0.26%
86,605,000
(78,073)
-0.09%
Assumes traditional meter reading cost escalation & 3.5% per year
No AFUDC
No Fixed Overheads
Staff_PR_191-Attachment B.xls
.
.
.
JUSDICTION:
CASE NO:
REQUESTER:
TYE:
REQUEST NO.:
REQUEST:
AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMTION
IDAHO
A VU-E-08-01 1 A VU-G-08-01
IPUC
Production Request
Staff-192
DATE PREPARD:
WITSS:
RESPONDER:
DEPARTMNT:
TELEPHONE:
07/10108
Greg Paulsen
Patrck Ehrbar
State & Federal Reg.
[phone]
Please provide the calculation, in Excel format with all formulas intact, of the $5,105,814 AFC
accrued for the AM Project Costs as ilustrated on Exhbit No. 12, Schedule 2.
RESPONSE:
Please see the attached Excel spreadsheet "StaffYR_192-Attachment A.xls", which was also
provided to Staff during their site visit July 7-July 10,2008.
Avista Utilties
ID AMR - Costs by Year
4I05009-GaS Meters
0.0885
2005 2006 2007 Total-Actual 2008 Total
Project Costs 2,965,665.10 49,548.84 677,823.31 3,693,037.25 42,901.83 3,735,939.08
Company Allocated O/H 566,614.87 4,638.39 39,764.76 611,018.02 7,098.17 618,116.19
AFUDC 52,488.46 335,494.02 395,072.70 783,055.18 450,209.27 1,233,264.45
Total Costs 3,584,768.43 389,681.25 1,112,660.77 5,087,110.45 500,209.27 5,587,319.72
03805011-Electric Meters
Project Costs 3,939,920.14 5,391,478.52 3,861,591.55 13,192,990.21 220,400.78 13,413,390.99
Company Allocated O/H 703,569.10 639,848.01 428,365.24 1,771,782.35 29,599.22 1,801,381.57
AFUDC 168,563.78 682,557.82 1,310,654.21 2,161,775.81 1,516,281.53 3,678,057.34
Total Costs 4,812,053.02 6,713,884.35 5,600,611.00 17,126,548.37 1,766,281.53 18,892,829.90
03805012-Comm. Equip.
Project Costs 8,865.92 489,608.60 355,116.62 853,591.14 2,744,067.39 3,597,658.53
Company Allocated O/H 3,659.68 44,569.93 32,833.87 81,063.48 264,039.61 345,103.09
AFUDC 446.26 23,253.01 67,267.43 90,966.70 90,767.49 181,734.19
Total Costs 12,971.86 557,431.54 455,217.92 1,025,621.32 3,098,874.48 4,124,495.80
09805139-Comm. Equip.
Project Costs 133,719.76 133,719.76 133,719.76
Company Allocated O/H 10,469.30 10,469.30 10,469.30
AFUDC 555.73 555.73 12,809.91 13,365.64
Total Costs 144,744.79 144,744.79 12,809.91 157,554.70
eai
Project Costs 6,914,451.16 5,930,635.96 5,028,251.24 17,873,338.36 3,007,370.00 20,880,708.36
Company Allocated O/H 1,273,843.65 689,056.33 511,433.17 2,474,333.15 300,737.00 2,775,070.15
AFUDC 221,498.50 1,041,304.85 1,773,550.07 3,036,353.42 2,070,068.21 5,106,421.63
Total Costs 8,409,793.31 7,660,997.14 7,313,234.48 23,384,024.93 5,378,175.20 28,762,200.13
.
StafCPR_192-Attachment A.xls Page 1 of 1