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HomeMy WebLinkAbout20080905Stipulation.pdfLISA D. NORDSTROM, ISB #5733 BARTON L. KLINE, ISB #1526 Idaho Power Company P.O. Box 70 Boise, Idaho 83707 Telephone: (208) 388-5825 Facsimile: (208) 388-6936 InordstromC§idahopower.com bklineC§idahopower.com RECEIVE6 . SEP-5 PI1 3; 13 IDAHO PUBLiC UTIUT\ES COMMISSION Attorneys for Idaho Power Company Street Address for Express Mail: 1221 West Idaho Street Boise, Idaho 83702 BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION IN THE MATTER OF THE APPLICATION OF IDAHO POW~R COMPANY FOR AN ORDER AUTHORIZING A CHANGE IN DEPRECIATION RATES APPLICABLE TO ELECTRIC PROPERTY ) ) ) ) ) ) ) STIPULATION CASE NO. IPC-E-08-06 This Stipulation is entered into among Idaho Power Company ("Idaho Powet' or "Company") and the Staff of the Idaho Public Utilities Commission ("Staff) as their signatures appear at the end of this Stipulation. Idaho Power and Staff are hereinafter together referred to as the "Parties." The purpose of this Stipulation is to settle all of the issues in the above- referenced proceeding. STIPULATION - 1 I. APPLICATION AND PROCEDURAL HISTORY On April 1, 2008, Idaho Power filed an Application with the Idaho Public Utilities Commission ("IPUC" or the "Commission") requesting authority to institute revised depreciation rates for the Company's electric plant in service ("Application"). No major changes have been made to the Company's depreciation rates in the last five years. The Company's depreciation rates last changed in December 2003 when the Commission issued Order No. 29363 in Case No. IPC-E-03-07. In its April 1, 2008, filing, the Company sought an accounting order approving revised depreciation rates that the Company would prospectively apply to its depreciable plant in service. The Company did not request to change its electric rates with the Application. The proposed depreciation rates included in the Company's Application were based upon the results of a detailed depreciation study of the Company's electric plant in service as of December 31, 2006. On the basis of $3,467,925,739 of depreciable plant in service on December 31, 2006, and using the average service life procedure, Idaho Power requested depreciation changes in its Application that would have decreased the Company's total annual depreciation expense by $6,713,451. Of particular note, the Company's Application proposed depreciation rates that differed from those authorized in Order No. 29363 are as follows: 1. Extension of Steam Plant Useful Lives . Extended useful lives of steam plant consistent with those of the managing partners of the Company's steam power plants. 2. Changes in Removal Costs of Steam Plant . Account 311 - Structures and Improvements: The net salvage percentage at Bridger changed from (5) to (10). This was based on STIPULATION - 2 the historical data and the Company's depreciation study consultant's professional judgment. · Account 312 - Boiler Plant Equipment (other than Bridger): The net salvage percentage changed from (10) to (5) because historical data did not support the previous net salvage percentage. . Account 314 - Turbogenerator Units (other than Bridger): The net salvage percentage changed from (10) to (5) because historical data did not support the previous net salvage percentage. . Account 315 - Accessory Electric Equipment: The net salvage percentage remains at O. . Account 316 - Miscellaneous Power Plant Equipment: The net salvage percentage at Bridger changed from 0 to (5) based on the Company's depreciation study consultant's professional judgment. 3. Addition of Bennett Mountain Plant . This gas-fired generation plant was added to the Company's generation portolio in March 2005. Because the plant's design and function are similar to the existing Danskin plant, the service life for Bennett Mountain is the same as for Danskin. 4. Automated Meter Reading ("AMR") Assets . Meters (Account 370): AMR meters have a different expected service life from other metering assets. Therefore, it is separately identified and segregated into subaccount 370.10. . Other AMR Assets (Communications equipment, etc.): Other AMR assets have been booked into the appropriate classification of plant accounts/subaccounts. Because the AMR assets have a similar service life to other assets in those accounts, AMR assets do not require segregation into a separate subaccount with a unique service life. . Whether or not an AMR asset has been given a separately identified subaccount, a unique "unit of propert number" has been established for all AMI equipment so it can be queried if specific identification or reporting is required. STIPULATION - 3 5. Account 335 - Miscellaneous Hydro Power Plant Equipment (Subaccounts for Computers. Equipment. and Furniture) · All assets at the Company's hydro plants, regardless of their function, continue to be segregated from the rest of the Company's plant investments. However, investments in furniture, computers, etc., do not have the long service life of most hydro assets. Therefore, those types of assets were segregated into separate subaccounts which more accurately reflect the presumed service life of the asset. Following the Commission's April 17, 2008, Notice of Application and Intervention Deadline (Order No. 30532), no petitions to intervene were filed. Analysis by the Staff evaluated Idaho Power's proposed depreciation rates with those used in the industry by similar companies. After a series of settlement discussions, on August 27, 2008, the Parties agreed to several adjustments to the Company's proposed depreciation expenses for certain accounts associated with steam production plant (Bridger), hydraulic production plant (Thousand Springs and Clear Lake), other production plant (Salmon diesel generator), and transmission poles and fixtures. The Parties accepted the depreciation accruals originally proposed by the Company in its Application for its other plant categories. The changes agreed to by the Parties increased the overall reduction in the requested depreciation expense from about $89.3 milion to $87.5 million. The Parties' settlement of this matter is embodied in this Stipulation. More specifically, the Parties agree as follows: II. AGREEMENT 1. To settle the depreciation matter identified above, the Parties agree to revise Idaho Power's requested decrease in depreciation expense from $6,713,451 to STIPULATION - 4 $8,514,422 based upon year 2006 plant levels and agree to the following adjustments to the Company's Application request: a. Increase the service life of Jim Bridger steam plant in Accounts 311-316 from 52 years to 54 years and change the net salvage from (10) to (7). b. Increase the life span of Thousand Springs hydraulic production plant in Accounts 331-336 from 2009 to 2014. c. Increase the life span of Clear Lake hydraulic production plant in Accounts 331-336 from 2017 to 2020. d. Increase the life span of Salmon diesel generator in Accounts 341- 346 from 2007 to 2017. e. Change the net salvage of Account 355 poles and fixtures from (70) to (60). 2. The Parties agree to the depreciation accruals originally proposed by the Company in its Application for its other plant categories. 3. The Parties agree to undertake a detailed review of the accrual rates for the following plant assets when the Company files its next depreciation study: a. Bridger Assets (Accounts 311-316) b. Bennett Mountain (Accounts 341-346) c. Clear Lake hydraulic production plant (Accounts 331-336) d. Meters (Account 370) e. Computers (Account 391.2) f. Corporate Aircraft (Account 392.3) STIPULATION - 5 4. The Parties agree that the depreciation rates agreed to herein, and further described in Attachment No.1, shall become effective on August 1, 2008. 5. Attachment No. 2 details the Company's current accrual rates, filed accrual rates, and stipulated accrual rates. 6. The Parties agree that this Stipulation is in the public interest with respect to the issues covered by it and that all of the terms of the Stipulation are fair, just, and reasonable. 7. This Stipulation wil be entered into the record as evidence in this proceeding. The Parties shall support adoption of the Stipulation and acceptance of the Stipulation as a reasonable resolution to the issues identified previously. If the Idaho Public Utilities Commission rejects all or any part of this Stipulation, any Part disadvantaged by such action, including Idaho Power, shall have the right, upon written notice to the Commission and all Parties to the proceeding, within seven (7) days of the Commission's Order, to withdraw from the Stipulation. No withdrawing Part shall be bound by the terms of this Stipulation and any withdrawing Party may seek reconsideration of the Commission's Order. Withdrawal from the Stipulation would not prevent the withdrawing Part from subsequently requesting that the Commission hold a hearing in this case to resolve the depreciation matters identified above. 8. The Parties have negotiated this Stipulation as an integrated settlement document. The Parties recommend that the Commission accept this Stipulation without material change or condition. STIPULATION - 6 9. This Stipulation may be executed in counterparts, and each signed counterpart shall constitute an original document. 9-?~ De! Date ~.f2iÎ~LïD. NORDSRÕM Attorney for Idaho Power Company 't -': , ò f Date .~ -V S ~,-=WELDON B. STUTZMAN Attorney for Idaho Public Utilties Commission STIPULATION - 7 BEFORE THE IDAHO PUBLIC UTiliTIES COMMISSION CASE NO.IPC-E-08-06 IDAHO POWER COMPANY ATTACHMENT NO.1 ID A H O P O W E R C O M P A N Y SU M M A R Y O F E S T I M A T E D S U R V I V O R C U R V E S , N Ë T S A L V A G E , O R I G I N A L C O S T , B O O K D E P R E C I A T I O N R E S E R V E A N D CA L C U L A T E D A N N U A L D E P R E C I A T I O N R A T E S A S O F D E C E M B E R 3 1 , 2 0 0 6 NE T BO O K CA L C U L A T E D A N N U A L CO M P O S I T E SU R V I V O R SA L V A G E OR I G I N A L DE P R E C I A T I O N FU T U R E AC C R U A L AC C R U A L RE M A I N I N G AC C O U N T CU R V E PE R C E N T CO S T RE S E R V E AC C R U A L S AM O U N T RA T E LI F E (1 ) (2 ) (3 ) (4 ) (5 ) (6 ) (7 ) (8 ) = ( 7 ) 1 ( 4 ) (9 ) = ( 6 ) / ( 7 ) EL E C T R I C P L A N T ST E A M P R O D U C T I O N P L A N T 31 0 . 2 0 LA N D A N D W A T E R R I G H T S 75 - R 4 . 0 20 3 , 0 1 5 . 2 6 13 3 , 1 6 8 69 , 8 4 7 3, 2 0 9 1.5 8 21 . 8 31 1 . 0 0 ST R U C T U R E S A N D I M P R O V E M E N T S Bo a r d m a n 10 0 - S 1 . (1 0 ) 13 , 6 6 4 , 7 6 4 . 3 4 10 , 4 0 1 , 8 3 2 4,6 2 9 , 4 0 9 20 4 , 5 0 2 1.5 0 22 . 6 Ji m B r i d g e r 10 0 - S l . (7 ) 63 , 1 9 8 , 9 7 4 . 9 3 46 , 8 4 3 , 2 7 8 20 , 7 7 9 , 6 2 5 95 7 , 5 7 4 1.5 2 21 . 7 Va l m y Un i t 1 10 0 - S 1 . (1 0 ) 29 , 4 1 7 , 6 2 2 . 3 1 21 , 9 3 9 , 5 2 7 10 , 4 1 9 , 8 5 8 44 2 , 1 5 8 1.5 0 23 . 6 Va l m y Un i t 2 10 0 - S l . (1 0 ) 24 , 2 5 5 , 3 3 2 . 3 2 15 , 6 7 1 , 9 6 4 11 , 0 0 8 , 9 0 3 40 2 , 2 6 6 1.6 6 27 . 4 To t a l A c c o u n t 3 1 1 13 0 , 5 3 6 , 6 9 3 . 9 0 94 , 8 5 6 , 6 0 1 46 , 8 3 7 , 7 9 5 2, 0 0 6 , 5 0 0 1. 5 4 23 . 3 31 2 . 1 0 BO I L E R P L A N T E Q U I P M E N T - S C R U B B E R S Jim B r i d g e r 60 - R 3 . (7 ) 58 , 9 0 8 , 3 6 5 . 6 5 41 , 1 6 6 , 3 9 5 21 , 8 6 5 , 5 5 8 1, 0 1 8 , 1 1 8 1. 7 3 21 . 5 Va l m y U n i t 2 60 - R 3 . (5 ) 20 , 9 4 1 , 2 5 0 . 5 7 13 , 6 5 9 , 8 6 2 8, 3 2 8 , 4 5 1 31 6 , 6 6 6 1. 5 1 26 . 3 To t a l A c c o u n t 3 1 2 . 1 79 , 8 4 9 , 6 1 6 . 2 2 54 , 8 2 6 , 2 5 7 30 , 1 9 4 , 0 0 9 1, 3 3 4 , 7 8 4 1.6 7 22 . 6 31 2 . 2 0 BO I L E R P L A N T E Q U I P M E N T - O T H E R Bo a r d m a n 70 - R l . 5 . (5 ) 35 , 2 8 8 , 0 3 4 . 4 0 24 , 9 9 1 , 8 9 9 12 , 0 6 0 , 5 3 7 54 7 , 8 8 8 1. 5 5 22 . 0 Jim B r i d g e r 70 - R l . 5 . (7 ) 22 9 , 2 0 1 , 2 7 1 . 8 4 12 1 , 2 6 8 , 9 2 7 12 3 , 9 7 6 , 4 3 5 5,8 2 9 , 3 7 1 2. 5 4 21 . 3 Va l m y Un i t 1 70 - R l . 5 . (5 ) 76 , 7 2 3 , 9 6 7 . 2 5 48 , 6 8 1 , 4 0 8 31 , 8 7 8 , 7 5 7 1, 3 9 1 , 3 2 7 1. 8 1 22 . 9 Va l m y Un i t 2 70 - R l . 5 . (5 ) 80 , 4 1 8 , 3 3 4 . 1 1 49 , 7 3 5 , 3 4 9 34 , 7 0 3 , 9 0 2 1, 3 2 5 , 4 5 6 1. 6 5 26 . 2 To t a l A c c o u n t 3 1 2 . 2 42 1 , 6 3 1 , 6 0 7 . 6 0 24 4 , 6 7 7 , 5 8 3 20 2 , 6 1 9 , 6 3 1 9, 0 9 4 , 0 4 2 2. 1 6 22 . 3 31 2 . 3 0 BO I L E R P L A N T E Q U I P M E N T - R A I L C A R S Bo a r d m a n 25 - R 3 20 1, 4 9 8 , 5 6 3 . 9 1 59 2 , 0 0 2 60 6 , 8 4 9 44 , 1 9 4 2. 9 5 13 . 7 Jim B r i d g e r 25 - R 3 20 2,4 7 8 , 4 7 7 . 9 1 1, 3 5 0 , 0 6 0 63 2 , 7 2 2 57 , 2 6 0 2.3 1 11 . 1 To t a l A c c o u n t 3 1 2 . 3 3, 9 7 7 , 0 4 1 . 8 2 1, 9 4 2 , 0 6 2 1, 2 3 9 , 5 7 1 10 1 , 4 5 4 2. 5 5 12 . 2 31 4 . 0 0 TU R B O G E N E R A T O R U N I T S Bo a r d m a n 50 - S 0 . 5 . (5 ) 12 , 0 8 2 , 5 9 1 . 2 1 6,9 1 4 , 5 8 6 5,7 7 2 , 1 3 6 28 2 , 0 4 4 2. 3 3 20 . 5 Ji m B r i d g e r 50 - S 0 . 5 . (7 ) 68 , 9 3 8 , 5 7 4 . 3 0 32 , 9 2 0 , 9 5 1 40 , 8 4 3 , 3 2 4 2, 0 6 1 , 9 1 2 2. 9 9 19 . 8 Va l m y Un i t 1 50 - S 0 . 5 . (5 ) 17 , 1 0 9 , 5 2 4 . 1 4 11 , 8 8 7 , 7 8 5 6,0 7 7 , 2 1 4 30 1 , 8 8 2 1.7 6 20 . 1 Va l m y Un i t 2 50 - S 0 . 5 . (5 ) 24 , 4 5 5 , 2 5 2 . 3 0 15 , 4 0 5 , 9 3 8 10 , 2 7 2 , 0 7 7 44 9 , 9 7 7 1.8 4 22 . 8 To t a l A c c o u n t 3 1 4 12 2 , 5 8 5 , 9 4 1 . 9 5 67 , 1 2 9 , 2 6 0 62 , 9 6 4 , 7 5 1 3, 0 9 5 , 8 1 5 2. 5 3 20 . 3 31 5 . 0 0 AC C E S S O R Y E L E C T R I C E Q U I P M E N T Bo a r d m a n 65 - S 1 . 5 . 0 4, 0 9 9 , 0 7 5 . 5 4 3,1 8 7 , 4 2 0 91 1 , 6 5 5 42 , 9 5 1 1.0 5 21 . 2 Ji m B r i d g e r 65 - S 1 . 5 . (7 ) 25 , 3 6 8 , 1 8 6 . 7 2 20 , 2 7 1 , 1 6 9 6,8 7 2 , 7 9 0 34 2 , 5 0 7 1.3 5 20 . 1 Va l m y Un i t 1 65 - S 1 . 5 . 0 15 , 9 0 8 , 2 8 4 . 2 3 11 , 2 7 6 , 0 0 3 4,6 3 2 , 2 8 1 20 8 , 9 4 5 1. 3 1 22 . 2 Va l m y Un i t 2 65 - S 1 . 5 . 0 15 , 9 8 3 , 6 6 2 . 9 3 10 , 0 1 2 , 7 5 0 5,9 7 0 , 9 1 4 23 2 , 2 5 4 1.4 5 25 . 7 To t a l A c c o u n t 3 1 5 61 , 3 5 9 , 2 0 9 . 4 2 44 , 7 4 7 , 3 4 2 18 , 3 8 7 , 6 4 0 82 6 , 6 5 7 1. 3 5 22 . 2 At t c h m e n t N O . 1 Ca s e N o . I P C - E - 0 8 - o 6 Id a h o P o w e r C o m p a n y Pa g e 1 o f 8 ID A H O P O W E R C O M P A N Y SU M M A R Y O F E S T I M A T E D S U R V I V O R C U R V E S , N E T S A L V A G E , O R I G I N A L C O S T , B O O K D E P R E C I A T I O N R E S E R V E A N D CA L C U L A T E D A N N U A L D E P R E C I A T I O N R A T E S A S O F D E C E M B E R 3 1 , 2 0 0 6 NE T BO O K CA L C U L A T E D A N N U A L CO M P O S I T E SU R V I V O R SA L V A G E OR I G I N A L DE P R E C I A T I O N FU T U R E AC C R U A L AC C R U A L RE M A I N I N G AC C O U N T CU R V E PE R C E N T CO S T RE S E R V E AC C R U A L S AM O U N T RA T E LI F E (1 ) (2 ) (3 ) (4 ) (5 ) (6 ) (7 ) (8 ) = ( 7 ) / ( 4 ) (9 ) = ( 6 ) / ( 7 ) 31 6 . 0 0 MI S C E L L A N E O U S P O W E R P L A N T E Q U I P M E N T Bo a r d m a n 50 - R O . 5 . (5 ) 1,6 9 5 , 2 9 2 . 8 7 83 9 , 1 6 6 94 0 , 8 9 3 45 , 9 7 9 2.7 1 20 . 5 Jim B r i d g e r 50 - R O . 5 . (7 ) 4, 8 5 9 , 3 0 2 . 3 7 3, 1 0 7 , 2 8 0 2, 0 9 2 , 1 7 4 10 5 , 8 1 8 2. 1 8 19 . 8 Va l m y Un i t 1 50 - R O . 5 . (5 ) 3, 0 6 6 , 7 6 9 . 3 9 1, 7 8 4 , 8 2 0 1,4 3 5 , 2 8 9 68 , 2 0 4 2. 2 2 21 . 0 Va l m y Un i t 2 5D - R O . 5 . (5 ) 1,6 8 6 , 0 5 3 . 1 8 90 5 , 7 3 7 86 4 , 6 1 9 36 , 2 4 4 2. 1 5 23 . 9 To t a l A c c o u n t 3 1 6 11 , 3 0 7 , 4 1 7 . 8 1 6, 6 3 7 , 0 0 3 5, 3 3 2 , 9 7 5 25 6 , 2 4 5 2. 2 7 20 . 8 31 6 . 1 0 MI S C E L L A N E O U S P O W E R P L A N T E Q U I P M E N T - A U T O M O B I L E S 10 - L 2 . 5 25 58 , 8 5 9 . 9 5 1, 7 4 6 42 , 3 9 9 5, 6 0 1 9.5 2 7. 6 31 6 . 4 0 MI S C E L L A N E O U S P O W E R P L A N T E Q U I P M E N T - S M A L L T R U C K S Ji m B r i d g e r 10 - L 2 . 5 25 20 8 , 1 4 2 . 1 2 18 0 , 8 6 4 (2 4 , 7 5 7 ) 0 Va l m y Un i t 1 lD - L 2 . 5 25 18 , 0 0 3 . 4 4 15 , 1 5 1 (1 , 6 4 8 ) 0 To t a l A c c u n t 3 1 6 . 4 22 6 , 1 4 5 . 5 6 19 6 , 0 1 5 (2 6 , 4 0 5 ) 0 31 6 . 5 0 MI S C E L L A N E O U S P O W E R P L A N T E Q U I P M E N T - M I S C E L L A N E O U S Bo a r d m a n 10 - L 2 . 5 25 41 , 5 8 5 . 3 9 6,1 4 9 25 , 0 4 0 2, 9 0 0 6. 9 7 8. 6 Jim B r i d g e r 10 - L 2 . 5 25 23 , 3 6 0 . 9 0 10 , 2 3 8 7,2 8 3 95 8 4. 1 0 7. 6 Va l m y Un i t 1 10 - L 2 . 5 25 59 , 4 3 3 . 9 4 16 , 2 5 1 28 , 3 2 4 3, 5 2 9 5. 9 4 8. 0 To t a l A c c o u n t 3 1 6 . 5 12 4 , 3 8 0 . 2 3 32 , 6 3 8 60 , 6 4 7 7, 3 8 7 5. 9 4 8. 2 31 6 . 7 0 MI S C E L L A N E O U S P O W E R P L A N T E Q U I P . - L A R G E T R U C K S 19 - 5 2 25 25 1 , 3 6 0 . 5 2 25 , 5 7 5 16 2 , 9 4 5 9, 7 6 0 3. 8 8 16 . 7 31 6 . 8 0 MI S C E L L A N E O U S P O W E R P L A N T E Q U I P . - P O W E R O P E R A T E D E Q 16 - S 0 30 1, 1 1 4 , 4 3 1 . 3 0 (5 7 9 , 8 4 0 ) 1,3 5 9 , 9 4 3 14 5 , 7 1 4 13 . 0 8 9. 3 TO T A L S T E A M P R O D U C T I O N P L A N T 83 3 , 2 2 5 , 7 2 1 . 5 4 51 4 , 6 2 5 , 4 1 0 36 9 , 2 4 5 , 7 4 8 16 , 8 8 7 , 1 6 8 2. 0 3 HY D R A U L I C P R O D U C T I O N P L A N T 33 1 . 0 0 ST R U C T U R E S A N D I M P R O V E M E N T S Ha g e r m a n M a i n t e n a n c e S h o p 10 D - R 2 . 5 . (2 5 ) 1, 5 5 8 , 2 0 0 . 4 5 58 8 , 7 2 4 1,3 5 9 , 0 2 7 64 , 1 1 7 4.1 1 21 . 2 Mi l n e r Da m 10 D - R 2 . 5 . (2 5 ) 81 4 , 2 2 4 . 2 5 23 0 , 8 5 4 78 6 , 9 2 6 13 , 9 9 0 1. 7 2 56 . 3 Ni a g a r a S p r i n g s H a t c h e i y 10 D - R 2 . 5 . (2 5 ) 5,0 2 9 , 5 5 5 . 8 0 1,2 7 5 , 8 8 0 5, 0 1 1 , 0 6 4 17 9 , 7 6 6 3. 5 7 27 . 9 He l l s C a n y o n M a i n t e n a n c e S h o p 10 D - R 2 . 5 . (2 5 ) 1,6 0 4 , 8 3 3 . 9 5 56 6 , 9 3 4 1,4 3 9 , 1 0 7 51 , 5 0 1 3.2 1 27 . 9 Ra p i d R i v e r H å t c h e i y 10 D - R 2 . 5 . (2 5 ) 2,4 0 2 , 6 8 3 . 4 9 92 8 , 5 4 0 2, 0 7 4 , 8 1 4 74 , 3 1 0 3. 0 9 27 . 9 Am e r i c a n F a l l s 10 0 - R 2 . 5 . (2 5 ) 11 , 8 5 7 , 4 0 1 . 2 9 6, 0 3 8 , 6 7 5 8, 7 8 3 , 0 7 3 19 7 , 1 0 7 1. 6 6 44 . 6 Br o w n l e e 10 0 - R 2 . 5 . (2 5 ) 30 , 0 6 8 , 2 0 8 . 6 3 17 , 4 9 1 , 5 3 4 20 , 0 9 3 , 7 2 7 72 6 , 2 7 0 2. 4 2 27 . 7 Bl i s s 10 0 - R 2 . 5 . (2 5 ) 66 6 , 8 4 8 . 6 3 40 0 , 7 0 3 43 2 , 8 6 1 17 , 0 4 9 2.5 6 25 . 4 Ca s c a d e 10 0 - R 2 . 5 . (2 5 ) 7,3 6 4 , 1 5 3 . 7 3 3, 0 5 1 , 9 7 3 6, 1 5 3 , 2 2 1 12 3 , 3 3 6 1. 6 7 49 . 9 Cle a r L a k e 10 D - R 2 . 5 . (2 5 ) 19 3 , 2 7 8 . 7 0 17 8 , 4 1 8 63 , 1 8 1 4, 7 3 0 2.4 5 13 . 4 He l l s C a n y o n 10 D - R 2 . 5 . (2 5 ) 2, 4 0 3 , 4 9 5 . 6 4 89 4 , 6 1 2 2, 1 0 9 , 7 5 7 76 , 1 2 4 3.1 7 27 . 7 Lo w e r Ma l a d l0 0 R 2 . 5 . (2 5 ) 60 0 , 7 4 6 . 7 8 37 3 , 6 3 0 37 7 , 3 0 3 15 , 2 1 4 2.5 3 24 . 8 Lo w e r S a l m o n l0 0 R 2 . 5 . (2 5 ) 88 8 , 3 0 3 . 0 3 52 7 , 1 7 7 58 3 , 2 0 0 22 , 6 4 9 2.5 7 25 . 5 Mi l n e r l0 0 R 2 . 5 . (2 5 ) 9, 5 1 2 , 5 8 9 . 1 9 2, 7 2 9 , 1 0 2 9, 1 6 1 , 6 3 4 15 9 , 6 7 6 1. 6 8 57 . 4 Ox b o w H a t c h e i y 10 D - R 2 . 5 . (2 5 ) 1,4 7 2 , 0 3 5 . 5 0 72 6 , 8 4 5 1, 1 1 3 , 1 9 8 40 , 0 5 2 2. 7 2 27 . 8 Ox b o w 10 D - R 2 . 5 . (2 5 ) 9, 8 3 0 , 9 3 8 . 4 2 4, 8 3 6 , 7 7 0 7, 4 5 1 , 9 0 2 27 3 , 3 6 5 2. 7 8 27 . 3 Ox b o w C o m m o n 10 D - R 2 . 5 . (2 5 ) 11 1 , 9 5 2 . 2 7 11 1 , 9 5 2 27 , 9 8 8 1,0 3 8 0. 9 3 27 . 0 Pa h s i m e r i o A c c u m . P o n d s 10 0 - R 2 . 5 . (2 5 ) 4, 1 8 7 , 9 9 3 . 7 2 29 9 , 6 2 3 4, 9 3 5 , 3 7 0 17 5 , 4 2 4 4. 1 9 28 . 1 Pa h s i m e r i o T r a p p i n g 10 0 - R 2 . 5 . (2 5 ) 93 5 , 1 2 9 . 6 1 54 7 , 6 9 3 62 1 , 2 1 9 22 , 4 0 6 2. 4 0 27 . 7 Sh o s h o n e F a l l s 10 0 - R 2 . 5 . (2 5 ) 1,1 3 9 , 9 5 6 . 0 9 66 8 , 8 2 2 75 6 , 1 2 0 32 , 2 6 6 2. 8 3 23 . 4 At t c h m e n t N O . 1 Ca s e N o . I P C - E - 0 8 - 0 6 Id a h o P o w e r C o m p a n y Pa g e 2 o t 8 ID A H O P O W E R C O M P A N Y SU M M A R Y O F E S T I M A T E D S U R V I V O R C U R V E S , N E T S A L V A G E , O R I G I N A L C O S T , B O O K D E P R E C I A T I O N R E S E R V E A N D CA L C U L A T E D A N N U A L D E P R E C I A T I O N R A T E S A S O F D E C E M B E R 3 1 , 2 0 0 6 NE T BO O K CA L C U L A T E D A N N U A L CO M P O S I T E SU R V I V O R SA L V A G E OR I G I N A L DE P R E C I A T I O N FU T U R E AC C R U A L AC C R U A L RE M A I N I N G AC C O U N T CU R V E PE R C E N T CO S T RE S E R V E AC C R U A L S AM O U N T RA T E LI F E (1 ) (2 ) (3 ) (4 ) (5 ) (6 ) (7 ) (8 ) = ( 7 ) 1 ( 4 ) (9 ) = ( 6 ) 1 ( 7 ) ST R U C T U R E S A N D I M P R O V E M E N T S , c o n t . Sl n k e 10 0 - R 2 . 5 . (2 5 ) 2, 7 8 9 , 9 6 8 . 6 7 1, 6 4 9 , 2 7 1 1,8 3 8 , 1 9 0 76 , 3 3 5 2. 7 4 24 . 1 Sw a n F a l l s 10 0 - R 2 . 5 . (2 5 ) 25 , 2 2 3 , 7 3 5 . 8 5 6, 9 1 4 , 1 3 3 24 , 6 1 5 , 5 3 6 75 3 , 5 5 0 2. 9 9 32 . 7 Tw i n F a l l s 10 0 - R 2 . 5 . (2 5 ) 66 1 , 2 8 5 . 3 0 31 6 , 6 9 9 50 9 , 9 0 8 15 , 8 5 7 2. 4 0 32 . 2 Tw i n F a l l s ( N e w ) 10 0 - R 2 . 5 . (2 5 ) 10 , 1 4 6 , 7 6 1 . 4 6 2, 6 7 8 , 5 4 9 10 , 0 0 4 , 9 0 3 30 1 , 4 3 2. 9 7 33 . 2 Th o u s a n d S p r i n g s 10 0 - R 2 . 5 . (2 5 ) 32 7 , 6 2 4 . 5 1 32 7 , 6 2 5 81 , 9 0 3 11 , 0 2 1 3.3 6 7. 4 Up p e r M a l a d 10 0 - R 2 . 5 . (2 5 ) 35 7 , 8 1 9 . 8 6 27 4 , 9 5 2 17 2 , 3 2 3 7, 0 4 1 1. 9 7 24 . 5 Up p e r S a l m o n A 10 0 - R 2 . 5 . (2 5 ) 85 9 , 3 1 0 . 3 9 56 6 , 9 2 8 50 7 , 2 0 8 20 , 5 3 2 2.3 9 24 . 7 Up p e r S a l m o n B 10 0 - R 2 . 5 . (2 5 ) 32 6 , 9 3 5 . 5 8 15 1 , 0 7 0 25 7 , 6 0 0 10 , 0 3 3 3.0 7 25 . 7 Up p e r S a l m o n C o m m o n 10 0 - R 2 . 5 . (2 5 ) 35 2 , 3 3 1 . 3 9 15 3 , 7 4 6 28 6 , 6 6 8 11 , 1 0 0 3. 1 5 25 . 8 To t a l A c c o u n t 3 3 1 13 3 , 6 8 8 , 3 0 2 . 1 8 55 , 5 0 1 , 4 3 4 11 1 , 6 0 8 , 9 3 1 3, 4 7 7 , 5 0 2 2.6 0 32 . 1 33 2 . 1 0 RE S E R V O I R S , D A M S A N D W A T E R W A Y S - R E L O C A T I O N Br o w n l e e 90 - S 4 . (2 0 ) 8, 6 3 9 , 6 6 3 . 6 6 4; 5 9 2 , 7 4 3 5,7 7 4 , 8 5 3 21 2 , 2 3 3 2. 4 6 27 . 2 He l l s C a n y o n 90 - S 4 . (2 0 ) 94 0 , 7 8 8 . 9 3 46 2 , 6 4 8 66 6 , 2 9 9 24 , 4 8 7 2. 6 0 27 . 2 Ox b o w 90 - S 4 . (2 0 ) 56 , 3 0 9 . 0 0 29 , 0 1 9 38 , 5 5 2 1, 4 1 7 2. 5 2 27 . 2 Ox b o w C o m m o n 9O - S 4 . (2 0 ) 1, 9 2 7 , 9 1 9 . 8 3 1,2 2 4 , 3 5 0 1, 0 8 9 , 1 5 3 39 , 6 6 4 2. 0 6 27 . 5 Br o n l e e C o m m o n 90 - S 4 . (2 0 ) 7,8 9 5 , 8 2 4 . 7 8 5, 0 1 9 , 8 2 1 4, 4 5 5 , 1 6 9 16 3 , 7 3 3 2. 0 7 27 . 2 To t a l A c c o u n t 3 3 2 . 1 19 , 4 6 0 , 5 0 6 . 2 0 11 , 3 2 8 , 5 8 1 12 , 0 2 4 , 0 2 6 44 1 , 5 3 4 2. 2 7 27 . 2 33 2 . 2 0 RE S E R V O I R S , D A M S A N D W A T E R W A Y S Mil n e r Da m 90 - S 4 . (2 0 ) 61 4 , 8 7 4 . 9 7 17 2 , 9 9 4 56 4 , 8 5 6 9, 5 5 9 1. 5 5 59 . 1 Am e r i c a n F a l l s 90 - S 4 . (2 0 ) 4,2 4 2 , 9 0 4 . 3 9 2, 4 3 8 , 5 4 5 2, 6 5 2 , 9 4 0 57 , 1 1 4 1. 3 5 46 . 5 Br o w n l e e 90 - S 4 . (2 0 ) 52 , 6 3 1 , 5 4 2 . 4 9 31 , 5 8 3 , 5 5 9 31 , 5 7 4 , 2 9 2 1, 1 4 3 , 9 2 6 2. 1 7 27 . 6 Bl i s s 90 - S 4 . (2 0 ) 7,4 8 0 , 7 8 3 . 7 1 5, 8 7 4 , 2 9 6 3, 1 0 2 , 6 4 6 13 1 , 0 1 2 1. 7 5 23 . 7 Ca s c a d e 90 - S 4 . (2 0 ) 3,1 4 5 , 6 3 0 . 4 6 1, 3 3 5 , 5 1 7 2, 4 3 9 , 2 4 0 46 , 7 5 6 1. 4 9 52 . 2 Cle a r L a k e 90 - S 4 . (2 0 ) 58 4 , 9 8 4 . 7 3 45 0 , 4 3 9 25 1 , 5 4 3 18 , 7 1 5 3. 2 0 13 . 4 He l l s C a n y o n 90 - S 4 . (2 0 ) 51 , 7 2 4 , 3 1 6 . 8 1 25 , 1 5 1 , 8 5 3 36 , 9 1 7 , 3 2 7 1, 3 1 6 , 4 3 8 2. 5 5 28 . 0 Lo w e r Ma l a d 90 - S 4 . (2 0 ) 2,0 7 8 , 5 3 7 . 3 2 1, 4 8 4 , 2 4 1 1, 0 1 0 , 0 0 5 41 , 3 8 0 1. 9 9 24 . 4 Lo w e r S a l m o n 90 - S 4 . (2 0 ) 6,6 0 2 , 8 2 3 . 3 7 4, 7 0 5 , 3 3 8 3, 2 1 8 , 0 5 1 13 4 , 1 8 1 2. 0 3 24 . 0 Mi l n e r 90 - 5 4 . (2 0 ) 16 , 5 3 2 , 1 7 4 . 9 3 4, 6 3 5 , 1 0 7 15 , 2 0 3 , 5 0 4 25 2 , 3 3 3 1. 5 3 60 . 3 Ox b o w 90 - 5 4 . (2 0 ) 30 , 3 1 9 , 4 0 4 . 8 7 16 , 2 9 7 , 6 7 9 20 , 0 8 5 , 6 0 6 73 1 , 5 2 6 2. 4 1 27 . 5 Ox b o w C o m m o n 90 - S 4 . (2 0 ) 9, 8 7 1 . 6 5 4, 1 6 2 7,6 8 4 26 9 2. 7 2 28 . 6 Sh o s h o n e F a l l s 90 - S 4 . (2 0 ) 51 2 , 4 0 1 . 4 8 47 8 , 6 4 9 13 6 , 2 3 3 8, 8 0 9 1. 7 2 15 . 5 Sl n k e 90 - S 4 . (2 0 ) 9,7 6 4 , 9 1 5 . 5 8 7, 3 7 4 , 5 4 0 4, 3 4 3 , 3 6 0 18 7 , 8 4 8 1. 9 2 23 . 1 Sw a n F a l l s 90 - 5 4 . (2 0 ) 13 , 6 4 1 , 4 5 8 . 8 1 5, 4 2 6 , 5 4 2 10 , 9 4 3 , 2 0 8 32 9 , 2 8 0 2.4 1 33 . 2 Tw i n F a l l s 9O S 4 . (2 0 ) 26 3 , 0 8 9 . 0 8 20 3 , 6 6 3 11 2 , 0 4 4 4, 9 9 6 1. 9 0 22 . 4 Tw i n F a l l s ( N e w ) 90 5 4 . (2 0 ) 7,6 6 9 , 6 2 7 . 3 3 1, 6 0 4 , 1 3 2 7, 5 9 9 , 4 2 0 22 3 , 5 1 2 2.9 1 34 . 0 Th o u s a n d S p r i n g s 90 - S 4 . (2 0 ) 2,0 8 3 , 4 4 2 . 8 2 2, 0 8 3 , 4 4 3 41 6 , 6 9 0 55 , 5 5 9 2. 6 7 7. 5 Up p e r Ma l a d 90 - S 4 . (2 0 ) 1, 2 9 2 , 5 2 8 . 4 4 1, 0 0 9 , 1 4 9 54 1 , 8 8 6 23 , 2 8 4 1. 8 0 23 . 3 Up p e r S a l m o n A 90 - S 4 . (2 0 ) 1, 1 5 3 , 5 9 0 . 7 3 34 2 , 6 5 9 1,0 4 1 , 6 5 0 42 , 5 9 4 3. 6 9 24 . 5 Up p e r S a l m o n B 90 - S 4 . (2 0 ) 2,7 5 8 , 4 8 7 . 9 4 1, 9 4 5 , 7 9 4 1,3 6 4 , 3 9 2 56 , 1 2 2 2. 0 3 24 . 3 Up p e r S a l m o n C o m m o n 90 - S 4 . (2 0 ) 73 0 , 0 3 9 . 0 1 46 2 , 0 1 9 41 4 , 0 2 8 17 , 9 4 2. 4 6 23 . 1 He l l s C a n y o n C o m m o n 90 - S 4 . (2 0 ) 3,7 2 3 , 1 6 8 . 7 0 2, 6 0 6 , 2 8 5 1,8 6 1 , 5 1 8 65 , 4 8 7 1. 7 6 28 . 4 To t a l A c c o u n t 3 3 2 . 2 21 9 , 5 6 0 , 5 9 9 . 6 2 11 7 , 6 7 0 , 6 0 5 14 5 , 8 0 2 , 1 2 3 4, 8 9 8 , 6 4 4 2. 2 3 29 . 8 33 2 . 3 0 RE S E R V O I R S , D A M S A N D W A T E R W A Y S - N E Z P E R C E Sq u a r e . 0 5,5 9 9 , 9 3 4 . 6 1 1, 0 0 6 , 6 3 9 4, 5 9 3 , 2 9 6 16 0 , 7 1 7 2. 8 7 28 . 6 At t C h m e n t N O . 1 Ca s e N o . I P C - E - 0 8 - 0 6 Id a h o P o w e r C o m p a n y Pa g e 3 o f 8 ID A H O P O W E R C O M P A N Y SU M M A R Y O F E S T I M A T E D S U R V I V O R C U R V E S , N E T S A L V A G E , O R I G I N A L C O S T , B O O K D E P R E C I A T I O N R E S E R V E A N D CA L C U L A T E D A N N U A L D E P R E C I A T I O N R A T E S A S O F D E C E M B E R 3 1 , 2 0 0 6 NE T BO O K CA L C U L A T E D A N N U A L CO M P O S I T E SU R V I V O R SA L V A G E OR I G I N A L DE P R E C I A T I O N FU T U R E AC C R U A L AC C R U A L RE M A I N I N G AC C O U N T CU R V E PE R C E N T CO S T RE S E R V E AC C R U A L S AM O U N T RA T E LI F E (1 ) (2 ) (3 ) (4 ) (5 ) (6 ) (7 ) (8 ) = ( 7 V ( 4 ) (9 ) = ( 6 ) / ( 7 ) 33 3 . 0 0 WA T E R W H E E L S , T U R B I N E S A N D G E N E R A T O R S Mi l n e r Da m 80 - R 3 . (5 ) 87 8 , 0 0 5 . 8 7 21 0 , 8 7 1 71 1 , 0 3 5 13 , 1 5 3 1.5 0 54 . 1 Am e r i c a n F a l l s 80 - R 3 . (5 ) 26 , 4 0 1 , 7 5 7 . 4 5 12 , 9 7 2 , 3 3 5 14 , 7 4 9 , 5 1 0 35 1 , 1 6 6 1.3 3 42 . 0 Br o w n l e e 80 - R 3 . (5 ) 41 , 6 2 1 , 6 3 3 . 2 5 24 , 9 5 2 , 9 4 9 18 , 7 4 9 , 7 6 5 69 2 , 5 8 4 1.6 6 27 . 1 Bl i s s 8D - R 3 . (5 ) 4,3 6 7 , 3 6 0 . 4 6 2, 9 4 9 , 9 6 5 1, 6 3 5 , 7 6 2 69 , 6 6 1 1.6 0 23 . 5 Ca s c a d e 8D - R 3 . (5 ) 9,0 8 7 , 7 7 9 . 3 0 3, 3 8 8 , 7 7 4 6,1 5 3 , 3 9 5 13 0 , 3 7 9 1.4 3 47 . 2 Cle a r L a k e 8D - R 3 . (5 ) 74 2 , 4 9 9 . 2 7 82 , 1 7 9 69 7 , 4 4 6 51 , 9 8 2 7. 0 0 13 . 4 He l l s C a n y o n 80 - R 3 . (5 ) 10 , 9 3 6 , 0 0 2 . 5 1 3, 9 4 1 , 5 6 6 7,5 4 1 , 2 3 8 28 4 , 2 1 9 2. 6 0 26 . 5 Lo w e r Ma l a d 80 - R 3 . (5 ) 52 8 , 3 6 5 . 7 9 39 0 , 1 1 0 16 4 , 6 7 3 7, 3 5 7 1. 3 9 22 . 4 Lo w e r S a l m o n 80 - R 3 . (5 ) 4, 4 7 2 , 8 2 6 . 7 6 3, 2 2 2 , 4 0 2 1,4 7 4 , 0 6 5 63 , 2 0 3 1. 4 1 23 . 3 Mi l n e r 80 - R 3 . (5 ) 23 , 3 5 2 , 4 2 1 . 0 8 5, 4 4 0 , 9 4 5 19 , 0 7 9 , 0 9 7 34 7 , 1 7 2 1. 4 9 55 . 0 Ox b o w 8D - R 3 . (5 ) 10 , 8 4 9 , 4 1 6 . 5 6 5, 7 0 3 , 6 3 8 5, 6 8 8 , 2 4 9 21 9 , 7 0 1 2. 0 3 25 . 9 Sh o s h o n e F a l l s 8D - R 3 . (5 ) 1, 6 2 4 , 2 6 9 . 3 4 74 9 , 4 6 4 95 6 , 0 1 8 41 , 5 0 4 2. 5 6 23 . 0 St r k e 8D - R 3 . (5 ) 4, 6 7 4 , 8 6 0 . 5 8 3, 2 1 5 , 9 1 5 1,6 9 2 , 6 8 9 74 , 5 9 6 1. 6 0 22 . 7 Sw a n F a l l s 80 - R 3 . (5 ) 25 , 7 7 5 , 6 6 0 . 8 2 6, 2 4 4 , 0 3 9 20 , 8 2 0 , 4 0 6 63 8 , 3 5 5 2. 4 8 32 . 6 Tw i n F a l l s 80 - R 3 . (5 ) 1 , 4 3 0 , 4 3 . 9 9 25 7 , 8 4 7 1, 2 4 4 , 1 1 9 38 , 9 1 5 2.7 2 32 . 0 Tw i n F a l l s ( N e w ) 80 - R 3 . (5 ) 15 , 6 7 8 , 4 6 2 . 5 7 3, 4 9 8 , 7 8 6 12 , 9 6 3 , 6 0 0 39 1 , 2 9 5 2. 5 0 33 . 1 Th o u s a n d S p r i n g s 80 - R 3 . (5 ) 72 9 , 1 2 2 . 9 4 52 1 , 5 1 9 24 4 , 0 6 2 32 , 6 9 6 4.4 8 7. 5 Up p e r Ma l a d 80 - R 3 . (5 ) 47 6 , 4 8 5 . 3 7 33 3 , 1 3 2 16 7 , 1 7 8 7, 2 4 9 1. 5 2 23 . 1 Up p e r S a l m o n A 80 - R 3 . (5 ) 1,1 9 1 , 9 1 9 . 7 3 60 7 , 0 4 3 64 4 , 4 7 2 26 , 3 9 8 2.2 1 24 . 4 Up p e r S a l m o n B 80 - R 3 . (5 ) 2, 6 2 1 , 6 1 4 . 0 5 73 9 , 5 8 8 2, 0 1 3 , 1 0 6 78 , 7 8 6 3.0 1 25 . 6 To t a l A c c u n t 3 3 3 18 7 , 4 4 0 , 9 0 7 . 6 9 79 , 4 2 3 , 0 6 7 11 7 , 3 8 9 , 8 8 5 3, 5 6 0 , 3 7 1 1. 9 0 33 . 0 33 4 . 0 0 AC C E S S O R Y E L E C T R I C E Q U I P M E N T Ha g e r m a n M a i n t e n a n c e S h o p 5D - R 1 . 5 . (5 ) 39 , 0 6 6 . 7 6 8, 4 2 8 32 , 5 9 2 1,6 3 5 4.1 9 19 . 9 Mil n e r Da m 5D - R 1 . 5 . (5 ) 27 0 , 9 4 8 . 9 1 80 , 1 0 6 20 4 , 3 9 0 5, 4 2 9 2.0 0 37 . 7 Am e r i c a n F a l l s 5D - R 1 . 5 . (5 ) 2, 8 4 6 , 9 6 1 . 7 0 1, 2 9 0 , 8 8 2 1, 6 9 8 , 4 2 8 56 , 4 8 9 1. 9 8 30 . 1 Br o w n l e e 5D - R 1 . 5 . (5 ) 6, 7 5 4 , 7 3 7 . 9 8 2, 9 5 4 , 2 3 2 4, 1 3 8 , 2 4 6 17 2 , 6 4 3 2.5 6 24 . 0 Bl i s s 5D - R 1 . 5 . (5 ) 1,8 8 5 , 1 2 3 . 9 3 18 1 , 3 4 5 1, 7 9 8 , 0 3 5 74 , 8 4 0 3.9 7 24 . 0 Ca s c a d e 5D - R 1 . 5 . (5 ) 2, 2 0 8 , 4 9 2 . 7 8 14 9 , 1 7 4 2, 1 6 9 , 7 4 3 64 , 1 2 4 2. 9 0 33 . 8 Cl e a r L a k e 5D - R l . 5 . (5 ) 96 , 4 9 7 . 8 0 91 , 1 2 5 10 , 1 9 7 80 7 0. 8 4 12 . 6 He l l s C a n y o n 5D - R l . 5 . (5 ) 3, 3 6 1 , 2 4 9 . 9 1 67 1 , 3 3 0 2, 8 5 7 , 9 6 4 12 0 , 2 5 7 3. 5 8 23 . 8 Lo w e r Ma l a d 5O R l . 5 . (5 ) 35 1 , 7 4 5 . 6 7 87 , 5 2 5 28 1 , 8 0 6 12 , 8 6 7 3. 6 6 21 . 9 Lo w e r S a l m o n 5D - R l . 5 . (5 ) 1,7 0 1 , 4 5 5 . 5 7 39 8 , 2 1 5 1, 3 8 8 , 3 1 4 59 , 7 6 8 3.5 1 23 . 2 Mi l n e r 5D - R 1 . 5 . (5 ) 2, 3 3 6 , 4 5 1 . 7 0 60 8 , 0 9 5 1,8 4 5 , 1 7 9 47 , 2 9 4 2.0 2 39 . 0 Ox b o w 5D - R 1 . 5 . (5 ) 3, 0 7 1 , 5 7 4 . 6 5 88 3 , 4 2 6 2, 3 4 1 , 7 2 7 99 , 0 5 6 3.2 2 23 . 6 Sh o s h o n e F a l l s 5D - R 1 . 5 . . (5 ) 38 3 , 3 6 7 . 5 1 16 7 , 8 4 7 23 4 , 6 8 6 11 , 5 3 4 3.0 1 20 . 4 St r k e 5D - R 1 . 5 . (5 ) 2, 0 0 5 , 7 0 1 . 4 8 52 6 , 9 0 1 1, 5 7 9 , 0 8 6 71 , 3 7 7 3. 5 6 22 . 1 Sw a n F a l l s 5D - R l . 5 . (5 ) 3, 1 1 0 , 6 4 2 . 1 5 82 5 , 2 4 8 2, 4 4 0 , 9 2 6 85 , 1 8 2 2. 7 4 28 . 7 Tw i n F a l l s 5D - R l . 5 . (5 ) 53 8 , 5 2 2 . 2 1 45 , 0 2 3 52 0 , 4 2 4 18 , 3 8 0 3.4 1 28 . 3 Tw i n F a l l s ( N e w ) 5D - R l . 5 . (5 ) 2, 2 4 0 , 6 7 1 . 3 1 54 7 , 7 1 6 1, 8 0 4 , 9 8 7 61 , 8 8 8 2.7 6 29 . 2 Th o u s a n d S p r i n g s 5D - R l . 5 . (5 ) 75 2 , 1 6 3 . 6 8 46 6 , 7 5 8 32 3 , 0 1 3 44 , 1 3 5 5.8 7 7. 3 Up p e r Ma l a d 5O R l . 5 . (5 ) 39 2 , 6 3 7 . 1 5 70 , 3 7 4 34 1 , 8 9 5 14 , 7 2 1 3.7 5 23 . 2 Up p e r S a l m o n A 5D - R 1 . 5 . (5 ) 1,2 0 7 , 0 9 8 . 4 7 31 6 , 3 0 2 95 1 , 1 5 2 41 , 4 3 4 3.4 3 23 . 0 Up p e r S a l m o n B 5D - R 1 . 5 . 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(§:¡ 2 8! ~ iõff ~ë3 ~ ~..:¡ 0 oil~ :5 ~ ID A H O P O W E R C O M P A N Y SU M M A R Y O F E S T I M A T E D S U R V I V O R C U R V E S , N E T S A L V A G E , O R I G I N A L C O S T , B O O K D E P R E C I A T I O N R E S E R V E A N D CA L C U L A T E D A N N U A L D E P R E C I A T I O N R A T E S A S O F D E C E M B E R 3 1 , 2 0 0 6 NE T BO O K CA L C U L A T E D A N N U A L CO M P O S I T E SU R V I V O R SA L V A G E OR I G I N A L DE P R E C I A T I O N FU T U R E AC C R U A L AC C R U A L RE M A I N I N G AC C O U N T CU R V E PE R C E N T CO S T RE S E R V E AC C R U A L S AM O U N T RA T E LI F E (1 ) (2 ) (3 ) (4 ) (5 ) (6 ) (7 ) (8 ) = ( 7 ) / ( 4 ) (9 ) = ( 6 ) / ( 7 ) RO A D S , R A I L R O A D S A N D B R I D G E S , c o n t . Pa h s i m e r i o T r a p p i n g 75 - R 3 . 0 15 , 6 1 2 . 3 5 15 , 2 2 2 39 0 14 0. 0 9 27 . 9 Sh o s h o n e F a l l s 75 - R 3 . 0 51 , 3 8 3 . 4 0 36 , 8 0 7 14 , 5 7 7 77 9 1. 5 2 18 . 7 St r i k e 75 - R 3 . 0 23 8 , 8 7 0 . 9 2 17 3 , 0 7 6 65 , 7 9 5 3, 0 1 6 1. 2 6 21 . 8 Sw a n F a l l s 75 - R 3 . 0 83 5 , 9 4 6 . 1 5 31 2 , 3 1 8 52 3 , 6 2 9 16 , 6 1 7 1. 9 9 31 . 5 Tw i n F a l l s 75 - R 3 . 0 89 3 , 7 7 3 . 5 0 31 4 , 3 9 6 57 9 , 3 7 7 18 , 1 2 2 2. 0 3 32 . 0 Tw i n F a l l s ( N e w ) 75 - R 3 . 0 1,0 2 3 , 8 2 9 . 6 4 21 1 , 0 7 5 81 2 , 7 5 5 24 , 6 5 9 2.4 1 33 . 0 Th o u s a n d S p r i n g s 75 - R 3 . 0 52 , 9 1 0 . 4 6 45 , 2 2 8 7, 6 8 3 1, 0 2 9 1. 9 4 7. 5 Up p e r Ma l a d 75 - R 3 . 0 60 , 1 1 7 . 6 8 30 , 3 7 9 29 , 7 3 9 1, 2 1 5 2.0 2 24 . 5 Up p e r S a l m o n A 75 - R 3 . 0 1,6 5 0 . 8 9 66 1 99 0 38 2. 3 0 26 . 1 Up p e r S a l m o n C o m m o n 75 - R 3 . 0 27 , 7 0 8 . 4 7 27 , 7 0 8 0 0 To t a l A c c o u n t 3 3 6 6, 9 5 0 , 4 2 9 . 9 0 2, 8 6 3 , 9 7 8 4, 0 8 6 , 4 5 2 13 4 , 4 0 2 1. 9 3 30 . 4 TO T A L H Y D R A U L I C P R O D U C T I O N P L A N T 62 5 , 0 9 6 , 0 9 3 . 9 7 28 4 , 4 8 1 , 4 9 8 43 3 , 0 5 1 , 6 9 7 14 , 1 8 7 , 0 3 2 2.2 7 OT H E R P R O D U C T I O N P L A N T 34 1 . 0 0 ST R U C T U R E S A N D I M P R O V E M E N T S Sa l m o n D i e s e l Sq u a r e . 0 11 , 9 5 9 . 0 8 11 , 9 5 9 0 0 Ev a n d e r A n d r e w s Sq u a r e . 0 4,2 7 6 , 8 3 2 . 7 8 29 6 , 0 5 4 3,9 8 0 , 7 7 9 13 4 , 9 4 1 3. 1 6 29 . 5 Be n n e t t M o u n t a i n Sq u a r e . 0 1, 0 1 2 , 9 4 0 . 6 8 50 , 6 6 5 96 2 , 2 7 6 27 , 8 9 2 2. 7 5 34 . 5 To t a l A c c o u n t 3 4 1 5, 3 0 1 , 7 3 2 . 5 4 35 8 , 6 7 8 4,9 4 3 , 0 5 5 16 2 , 8 3 3 3. 0 7 30 . 4 34 2 . 0 0 FU E L H O L D E R S Sa l m o n D i e s e l Sq u a r e . 0 61 , 3 0 6 . 3 9 61 , 3 0 6 0 0 Ev a n d e r A n d r e w s Sq u a r e . 0 1, 4 3 3 , 4 2 3 . 7 1 24 9 , 6 5 2 1, 1 8 3 , 7 7 2 40 , 1 2 8 2. 8 0 29 . 5 Be n n e t t M o u n t a i n Sq u a r e . 0 2, 0 2 5 , 8 8 1 . 3 4 10 1 , 3 3 1 1, 9 2 4 , 5 5 0 55 , 7 8 4 2. 7 5 34 . 5 To t a l A c c o u n t 3 4 2 3, 5 2 0 , 6 1 1 . 4 4 41 2 , 2 8 9 3,1 0 8 , 3 2 2 95 , 9 1 2 2. 7 2 32 . 4 34 3 . 0 0 PR I M E M O V E R S Ev a n d e r A n d r e w s Sq u a r e . 0 28 , 6 7 6 , 9 5 8 . 0 9 1, 1 6 7 , 5 6 1 27 , 5 0 9 , 3 9 6 93 2 , 5 2 2 3. 2 5 29 . 5 Be n n e t t M o u n t a i n Sq u a r e . 0 1, 2 8 0 , 0 7 5 . 8 6 63 , 3 3 2 1, 2 1 6 , 7 4 4 35 , 2 6 8 2. 7 6 34 . 5 To t a l A c c o u n t 3 4 3 29 , 9 5 7 , 0 3 3 , 9 5 1, 2 3 0 , 8 9 3 28 , 7 2 6 , 1 4 0 96 7 , 7 9 0 3. 2 3 29 . 7 34 4 . 0 0 GE N E R A T O R S Sa l m o n D i e s e l Sq u a r e . 0 54 1 , 6 4 4 . 9 5 54 1 , 6 4 5 0 0 Ev a n d e r A n d r e w s Sq u a r e . 0 13 , 1 6 6 , 0 3 4 . 8 6 5,6 5 6 , 9 3 8 7,5 0 9 , 0 9 7 25 4 , 5 4 6 1. 9 3 29 . 5 Be n n e t t M o u n t a i n Sq u a r e . 0 47 , 9 7 7 , 7 8 1 . 7 7 (6 , 6 0 1 , 4 8 3 ) 54 , 5 7 9 , 2 6 5 1, 5 8 2 , 0 0 7 3. 3 0 34 . 5 To t a l A c c o u n t 3 4 4 61 , 6 8 5 , 4 6 1 . 5 8 (4 0 2 , 9 0 0 ) 62 , 0 8 8 , 3 6 2 1, 8 3 6 , 5 5 3 2. 9 8 33 . 8 34 5 . 0 0 AC C E S S O R Y E L E C T R I C E Q U I P M E N T Sa l m o n D i e s e l Sq u a r e . 0 28 5 , 1 3 9 . 9 6 68 , 9 8 9 21 6 , 1 5 1 20 , 5 8 6 7. 2 2 10 . 5 Ev a n d e r A n d r e w s Sq u a r e . 0 2,8 7 7 , 1 2 7 . 3 4 26 7 , 3 7 3 2,6 0 9 , 7 5 5 88 , 4 6 7 3. 0 7 29 . 5 Be n n e t t M o u n t a i n Sq u a r e . 0 1, 5 1 9 , 4 1 0 . 9 8 75 , 9 9 8 1,4 4 3 , 4 1 3 41 , 8 3 8 2. 7 5 34 . 5 To t a l A c c o u n t 3 4 5 4,6 8 1 , 6 7 8 . 2 8 41 2 , 3 6 0 4, 2 6 9 , 3 1 9 15 0 , 8 9 1 3. 2 2 28 . 3 At t c h m e n t N O . 1 Ca s e N o . I P C - E - 0 8 - 0 6 Id a h o P o w e r C o m p a n y På g e 6 0 f 8 ID A H O P O W E R C O M P A N Y SU M M A R Y O F E S T I M A T E D S U R V I V O R C U R V E S , N E T S A L V A G E , O R I G I N A L C O S T , B O O K D E P R E C I A T I O N R E S E R V E A N D CA L C U L A T E D A N N U A L D E P R E C I A T I O N R A T E S A S O F D E C E M B E R 3 1 , 2 0 0 6 NE T BO O K CA L C U L A T E D A N N U A L CO M P O S I T E SU R V I V O R SA L V A G E OR I G I N A L DE P R E C I A T I O N FU T U R E AC C R U A L AC C R U A L RE M A I N I N G AC C O U N T CU R V E PE R C E N T CO S T RE S E R V E AC C R U A L S AM O U N T RA T E LI F E (1 ) (2 ) (3 ) (4 ) (5 ) (6 ) (7 ) (8 ) = ( 7 ) / ( 4 ) (9 ) = ( 6 ) / ( 7 ) 34 6 . 0 0 MIS C E L L A N E O U S P O W E R P L A N T E Q U I P M E N T Sa l m o n D i e s e l Sq u a r e . 0 1,0 0 4 . 5 0 25 9 74 6 72 7. 1 7 10 . 4 Ev a n d e r A n d r e w s Sq u a r e . 0 1, 3 8 0 , 9 7 1 . 7 0 35 4 , 6 0 2 1, 0 2 6 , 3 7 0 34 , 7 9 2 2. 5 2 29 . 5 Be n n e t t M o u n t a i n Sq u a r e . 0 4, 1 3 2 . 4 2 12 9 4, 0 0 3 11 6 2. 8 1 34 . 5 To t a l A c c o u n t 3 4 6 1,3 8 6 , 1 0 8 . 6 2 35 4 , 9 9 0 1, 0 3 1 , 1 1 9 34 , 9 8 0 2.5 2 29 . 5 TO T A L O T H E R P R O D U C T I O N P L A N T 10 6 , 5 3 2 , 6 2 6 . 4 1 2,3 6 6 , 3 1 0 10 4 , 1 6 6 , 3 1 7 3, 2 4 8 , 9 5 9 3. 0 5 TR A N S M I S S I O N P L A N T 35 0 . 2 0 LA N D R I G H T S A N D E A S E M E N T S 65 - R 3 0 22 , 4 5 4 , 9 6 9 . 5 5 4, 1 2 5 , 3 9 7 18 , 3 2 9 , 5 7 2 33 8 , 2 6 0 1. 5 1 54 . 2 35 0 . 2 1 RI G H T S O F W A Y 65 - R 3 0 3,8 3 7 , 6 3 3 . 3 0 17 1 , 2 9 3 3,6 6 6 , 3 4 0 57 , 5 3 3 1. 5 0 63 . 7 35 2 . 0 0 ST R U C T U R E S A N D I M P R O V E M E N T S 60 - R 3 (3 0 ) 36 , 7 7 9 , 6 0 9 . 3 5 18 , 5 3 6 , 7 6 1 29 , 2 7 6 , 7 3 1 61 8 , 9 5 8 1. 6 8 47 . 3 35 3 . 0 0 ST A T I O N E Q U I P M E N T 45 - R 1 (5 ) 24 5 , 7 9 0 , 6 8 0 . 5 0 78 , 9 3 7 , 9 1 1 17 9 , 1 4 2 , 3 0 5 5,0 6 1 , 6 2 5 2. 0 6 35 . 4 35 4 . 0 0 TO W E R S A N D F I X T U R E S 65 - S 3 (2 5 ) 98 , 0 0 3 , 4 8 0 . 1 8 29 , 0 4 6 , 5 8 5 93 , 4 5 7 , 7 6 3 1, 9 2 4 , 4 4 4 1. 9 6 48 . 6 35 5 . 0 0 PO L E S A N D F I X T U R E S 55 - R 2 (6 0 ) 77 , 2 8 2 , 1 4 9 . 5 9 43 , 8 4 3 , 7 8 2 79 , 8 0 7 , 6 5 7 2,1 7 4 , 3 0 4 2.8 1 36 . 7 35 6 . 0 0 OV E R H E A D C O N D U C T O R S A N D D E V I C E S 65 - R 1 . 5 (3 0 ) 12 0 , 0 1 7 , 1 1 3 . 6 8 44 , 6 3 6 , 9 0 9 11 1 , 3 8 5 , 3 4 0 2,3 0 5 , 9 5 4 1. 9 2 48 . 3 35 9 . 0 0 RO A D S A N D T R A I L S 65 - R 3 0 31 8 , 3 5 1 . 0 6 24 3 , 7 4 7 74 , 6 0 4 3,1 3 4 0. 9 8 23 . 8 TO T A L T R A N S M I S S I O N P L A N T 60 4 , 4 8 3 , 9 8 7 . 2 1 21 9 , 5 4 2 , 3 8 5 51 5 , 1 4 0 , 3 1 2 12 , 4 8 4 , 2 1 2 2. 0 7 DI S T R I B U T I O N P L A N T 36 1 . 0 0 ST R U C T U R E S A N D I M P R O V E M E N T S 65 - R 2 . 5 (3 0 ) 20 , 4 9 4 , 1 3 6 . 2 8 6, 6 8 7 , 7 1 9 19 , 9 5 4 , 6 6 0 37 9 , 6 8 1 1. 8 5 52 . 6 36 2 . 0 0 ST A T I O N E Q U I P M E N T 50 - R O . 5 (5 ) 14 2 , 9 5 8 , 3 5 8 . 6 9 36 , 6 7 9 , 3 7 1 11 3 , 4 2 6 , 9 0 3 2, 8 9 5 , 7 9 3 1. 8 9 42 . 1 36 4 . 0 0 PO L E S , T O W E R S A N D F I X T U R E S 44 - R 1 . 5 (5 0 ) 19 4 , 7 0 1 , 5 8 1 . 4 7 89 , 9 9 1 , 0 2 4 20 2 , 0 6 1 , 3 4 8 6, 4 0 7 , 0 9 2 3.2 9 31 . 5 36 5 . 0 0 OV E R H E A D C O N D U C T O R S A N D D E V I C E S 47 - R O . 5 (4 0 ) 98 , 9 1 9 , 0 0 0 . 7 3 36 , 1 2 5 , 3 6 5 10 2 , 3 6 1 , 2 3 5 2, 9 1 7 , 5 7 7 2.9 5 35 . 1 36 6 . 0 0 UN D E R G R O U N D C O N D U I T 60 - R 2 (2 0 ) 43 , 6 3 1 , 6 1 8 . 2 7 8, 8 7 6 , 8 0 4 43 , 4 8 1 , 1 4 0 84 9 , 4 9 6 1. 9 5 51 . 2 36 7 . 0 0 UN D E R G R O U N D C O N D U C T O R S A N D D E V I C E S 50 - S O . 5 (1 5 ) 16 2 , 3 5 0 , 0 9 2 . 5 0 55 , 3 4 9 , 2 7 2 13 1 , 3 5 3 , 3 2 7 3, 1 9 9 , 4 8 8 1. 9 7 41 . 1 36 8 . 0 0 LI N E T R A N S F O R M E R S 37 - R 1 5 31 8 , 7 6 4 , 9 6 9 . 1 1 13 8 , 2 6 2 , 7 2 1 16 4 , 5 6 4 , 0 0 0 5, 3 3 7 , 6 7 2 1. 6 7 30 . 8 36 9 . 0 0 SE R V I C E S 35 - R 2 . 5 (4 0 ) 51 , 2 7 2 , 2 9 0 . 5 9 31 , 2 6 6 , 9 7 7 40 , 5 1 4 , 2 3 0 1,5 8 3 , 8 7 4 3.0 9 25 . 6 37 0 . 0 0 ME T E R S 20 - 0 1 0 48 , 1 9 6 , 0 1 1 . 0 3 8, 4 7 5 , 9 8 3 39 , 7 2 0 , 0 2 4 3, 3 5 0 , 5 8 1 6.9 5 11 . 9 37 0 . 1 0 ME T E R S - A M R E Q U I P M E N T 15 - S 3 0 4, 4 2 6 , 2 4 3 . 4 3 10 4 , 8 3 0 4, 3 2 1 , 4 1 4 29 9 , 3 3 4 6. 7 6 14 . 4 37 1 . 1 0 PH O T O V O L T A I C I N S T A L L A T I O N S 10 - S 4 (5 ) 35 9 , 3 1 7 . 7 1 35 9 , 3 1 8 17 , 9 6 6 13 , 2 1 9 3. 6 8 1. 4 37 1 . 2 0 IN S T A L L A T I O N O N C U S T O M E R P R E M I S E S 15 - R 2 (5 ) 2, 2 7 4 , 7 1 6 . 2 4 2, 1 9 0 , 3 0 8 19 8 , 1 4 4 14 , 2 7 4 0. 6 3 13 . 9 37 3 . 2 0 ST R E E T L I G H T I N G A N D S I G N A L S Y S T E M S 25 - R 1 . 5 (2 5 ) 4, 0 6 7 , 0 6 9 . 7 7 2, 7 7 1 , 8 1 6 2, 3 1 2 , 0 1 9 16 6 , 2 2 6 4.0 9 13 . 9 TO T A L D I S T R I B U T I O N P L A N T 1,0 9 2 , 4 1 5 , 4 0 5 . 8 2 41 7 , 1 4 1 , 5 0 8 86 4 , 2 8 6 , 4 1 0 27 , 2 1 4 , 3 0 7 2. 4 9 GE N E R A L P L A N T 39 0 . 1 1 ST R U C T U R E S A N D I M P R O V E M E N T S - C H Q B U I L D I N G 10 0 - S 1 . 5 . (5 ) 25 , 8 3 3 , 0 4 0 . 8 0 6, 4 6 0 , 6 5 0 20 , 6 6 4 , 0 4 61 4 , 7 4 6 2.3 8 33 . 6 39 0 . 1 2 ST R U C T U R E S A N D I M P R O V E M E N T S - E X C L . C H Q B L D G 50 - L 2 (5 ) 31 , 2 1 2 , 7 8 3 . 9 1 7, 4 5 6 , 2 7 7 25 , 3 1 7 , 1 5 0 69 7 , 9 7 0 2.2 4 36 . 3 39 0 . 2 0 LE A S E H O L D I M P R O V E M E N T S 30 - S 3 0 7, 3 4 5 , 2 5 3 . 0 7 3, 4 1 3 , 7 5 2 3, 9 3 1 , 5 0 1 18 9 , 3 4 7 2.5 8 20 . 8 39 1 . 1 0 OF F I C E F U R N I T U R E & E Q U I P M E N T - F U R N I T U R E 20 - S Q 0 11 , 7 8 6 , 3 8 3 . 9 6 5, 7 4 8 , 9 4 9 6, 0 3 7 , 4 3 6 58 5 , 5 0 5 4.9 7 10 . 3 39 1 . 2 0 OF F I C E F U R N I T U R E & E Q U I P M E N T - E D P E Q U I P . 5- S Q 0 22 , 6 9 6 , 3 1 4 . 1 9 10 , 8 6 3 , 4 0 1 11 , 8 3 2 , 9 1 3 5, 5 3 1 , 6 1 4 24 . 3 7 2.1 39 1 . 2 1 OF F I C E F U R N I T U R E & E Q U I P M E N T - E D P E Q U I P . 7- L 4 0 2, 8 6 7 , 4 3 2 . 5 0 1, 3 0 1 , 4 1 6 1, 5 6 6 , 0 1 6 40 0 , 3 0 2 13 . 9 8 3. 9 39 2 . 1 0 TR A N S P O R T A T I O N E Q U I P M E N T - A U T O M O B I L E S 10 - L 2 . 5 25 32 2 , 5 8 0 . 1 9 12 4 , 1 4 3 11 7 , 7 9 2 20 , 1 0 9 6.2 3 5. 9 39 2 . 3 0 TR A N S P O R T A T I O N E Q U I P M E N T - A I R C R A F T 8- S 2 . 5 50 2, 5 8 0 , 2 1 9 . 7 4 33 3 , 4 7 1 95 6 , 6 4 0 22 2 , 3 3 4 8.6 2 4. 3 Att a c h m e n t N O . 1 Ca s e N o . I P C - E - 0 8 - 0 6 Id a h o P o w e r C o m p a n y Pa g e 7 0 1 8 39 2 . 4 0 39 2 . 5 0 39 2 . 6 0 39 2 . 7 0 39 2 . 9 0 39 3 . 0 0 39 4 . 0 0 39 5 . 0 0 39 6 . 0 0 39 7 . 1 0 39 7 . 2 0 39 7 . 3 0 39 7 . 4 0 39 8 . 0 0 31 0 . 1 0 33 0 . 0 0 34 0 . 0 0 35 0 . 0 0 36 0 . 0 0 38 9 . 0 0 ID A H O P O W E R C O M P A N Y SU M M A R Y O F E S T I M A T E D S U R V I V O R C U R V E S , N E T S A L V A G E , O R I G I N A L C O S T , B O O K D E P R E C I A T I O N R E S E R V E A N D CA L C U L A T E D A N N U A L D E PR E CI A T I O N R A T E S A S O F D E C E M B E R 3 1 , 2 0 0 6 AC C O U N T (1 ) TR A N S P O R T A T I O N E Q U I P M E N T - S M A L L T R U C K S TR A N S P O R T A T I O N E Q U I P M E N T - M I S C . TR A N S P O R T A T I O N E Q U I P M E N T - L A R G E T R U C K S ( H Y D ) TR A N S P O R T A T I O N E Q U I P . - L A R G E T R U C K S ( N O N - H Y D ) TR A N S P O R T A T I O N E Q U I P M E N T - T R A I L E R S ST O R E S E Q U I P M E N T TO O L S , S H O P A N D G A R A G E E Q U I P M E N T LA B O R A T O R Y E Q U I P M E N T PO W E R O P E R A T E D E Q U I P M E N T CO M M U N I C A T I O N E Q U I P M E N T - T E L E P H O N E S CO M M U N I C A T I O N E Q U I P M E N T - M I C R O W A V E S CO M M U N I C A T I O N E Q U I P M E N T - R A D I O CO M M U N I C A T I O N E Q U I P M E N T - F I B E R O P T I C MI S C E L L A N E O U S E Q U I P M E N T TO T A L G E N E R A L P L A N T TO T A L D E P R E C I A B L E P L A N T NO N D E P R E C I A B L E P L A N T LA N D LA N D LA N D LA N D LA N D LA N D TO T A L N O N D E P R E C I A B L E P L A N T TO T A L E L E C T R I C P L A N T NE T BO O K CA L C U L A T E D A N N U A L CO M P O S I T E SU R V I V O R SA L V A G E OR I G I N A L DE P R E C I A T I O N FU T U R E AC C R U A L AC C R U A L RE M A I N I N G CU R V E PE R C E N T CO S T RE S E R V E AC C R U A L S AM O U N T RA T E LI F E (2 ) (3 ) (4 ) (5 ) (6 ) (7 ) (8 ) = ( 7 ) / ( 4 ) (9 ) = ( 6 ) / ( 7 ) 10 - L 2 . 5 25 17 , 8 3 0 , 0 8 3 . 7 5 8,7 0 7 , 8 7 6 4,6 6 4 , 6 8 9 63 8 , 6 8 3 3. 5 8 7.3 10 - L 2 . 5 25 52 3 , 0 3 9 . 6 8 32 5 , 3 7 3 66 , 9 0 9 7, 8 1 6 1.4 9 8. 6 19 - 5 2 25 22 , 4 4 7 , 7 2 7 . 5 1 6,8 9 9 , 4 3 2 9,9 3 6 , 3 6 4 82 9 , 3 5 1 3. 6 9 12 . 0 19 - 5 2 25 3, 7 9 5 , 8 2 9 . 5 5 1, 7 6 4 , 1 8 3 1, 0 8 2 , 6 9 0 90 , 6 8 6 2. 3 9 11 . 9 30 - S 1 . 5 25 3, 5 5 1 , 2 6 8 . 7 5 1, 1 6 6 , 9 2 3 1, 4 9 6 , 5 2 7 70 , 7 7 6 1.9 9 21 . 1 25 - S Q 0 98 2 , 3 6 0 . 9 1 46 7 , 7 0 9 51 4 , 6 5 3 53 , 0 0 1 5. 4 0 9.7 20 - S Q 0 4,2 2 2 , 2 8 7 . 5 7 1,8 2 6 , 8 6 1 2,3 9 5 , 4 2 6 20 4 , 3 7 5 4. 8 4 11 . 7 20 - S Q 0 9, 7 6 1 , 1 3 5 . 6 3 4,4 1 9 , 4 8 9 5,3 4 1 , 6 4 6 52 6 , 1 1 3 5. 3 9 10 . 2 16 - S 0 30 7, 3 0 6 , 9 6 4 . 9 7 1, 5 8 0 , 7 5 2 3,5 3 4 , 1 4 1 50 7 , 4 9 7 6. 9 5 7.0 15 - S Q 0 6, 9 1 4 , 0 0 5 . 4 0 3,6 5 4 , 9 6 8 3,2 5 9 , 0 3 8 42 5 , 7 9 2 6. 1 6 7.7 15 - S Q 0 17 , 2 3 3 , 6 5 9 . 3 7 5,7 0 9 , 3 8 2 11 , 5 2 4 , 2 7 9 1, 2 0 4 , 8 4 7 6. 9 9 9.6 15 - S Q 0 2,6 2 3 , 4 5 8 . 4 6 1, 1 7 6 , 7 8 9 1, 4 4 6 , 6 7 2 21 9 , 3 7 4 8. 3 6 6.6 10 - S Q 0 1, 4 2 5 , 7 0 4 . 3 4 77 6 , 0 4 7 64 9 , 6 5 7 11 6 , 9 5 6 8. 2 0 5. 6 15 - S Q 0 2,9 1 0 , 3 4 9 . 7 2 97 9 , 8 9 7 1,9 3 0 , 4 5 4 27 8 , 6 2 6 9. 5 7 6. 9 20 6 , 1 7 1 , 9 0 3 . 9 7 75 , 1 5 7 , 7 4 0 11 8 , 2 6 6 , 6 3 6 13 , 4 3 5 , 8 2 0 6. 5 2 3, 4 6 7 , 9 2 5 , 7 3 8 . 9 2 1, 5 1 3 , 3 1 4 , 8 5 1 2, 4 0 4 , 1 5 7 , 1 2 0 87 , 4 5 7 , 4 9 8 2. 5 2 1, 1 6 7 , 3 0 4 . 1 5 22 , 5 2 3 , 4 5 0 . 1 5 40 2 , 7 4 5 . 3 9 2, 4 6 0 , 2 5 9 . 8 8 4, 6 0 7 , 3 1 4 . 9 4 8, 7 6 0 , 7 6 4 . 6 6 39 , 9 2 1 , 8 3 9 . 1 7 3, 5 0 7 , 8 4 7 , 5 7 8 . 0 9 87 , 4 5 7 , 4 9 8 1, 5 1 3 , 3 1 4 , 8 5 1 2, 4 0 4 , 1 5 7 , 1 2 0 . L I F E S P A N P R O C E D U R E I S U S E D . C U R V E S H O W N I S I N T E R I M S U R V I V O R C U R V E . A C T U A L L I F E S P A N F O R E A C H F A C I L I T Y I S S H O W B E G I N N I N G O N P A G E 1 1 - 2 7 O F T H I S R E P O R T . At t c h m e n t N O . 1 Ca s e N o . I P C - E ~ 0 8 - 0 6 Id a h o P o w e r C o m p a n y Pa g e 8 o f 8 BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION CASE NO. IPC-E-08-06 IDAHO POWER COMPANY ATTACHMENT NO.2 IDAHO POWER COMPANY COMPARISON OF CURRENT, FILED AND SETTEMENT ACCRUAL RATES AND AMOUNTS CURRENT AS FILED SETTLEMENT ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCOUNT RATE AMOUNT RATE AMOUNT RATE AMOUNT (1) ELECTRIC PLANT STEAM PRODUCTION PLANT 310.20 LAND AND WATER RIGHTS 2.27 4,608 1.81 3,674 1.58 3,209 311.00 STRUCTURES AND IMPROVEMENTS Boardman 2.62 358,017 1.50 204,502 1.50 204,502 Jim Bridger 2.17 1,371,418 1.90 1,198,753 1.52 957,574 Valmy Unit 1 3.12 917,830 1.50 442,158 1.50 442,158 Valmy Unit 2 3.00 727,660 1.66 402,266 1.66 402,266 3,374,925 2,247,679 2,006,500 312.10 BOILER PLAT EQUIPMENT - SCRUBBERS Jim Bridger 2.72 1,602,308 1.87 1,100,601 1.73 1,018,118 Valmy Unit 2 2.88 603,108 1.51 316,666 1.51 316,666 2,205,416 1,417,267 1,334,784 312.20 BOILER PLAT EQUIPMENT - OTHER Boardman 2.96 1,04,526 1.55 547,888 1.55 547,888Jim Bridger 2.59 5,936,313 2.80 6,418,641 2.54 5,829,371 Valmy Unit 1 3.41 2,616,287 1.81 1,391,327 1.81 1,391,327 Valmy Unit 2 3.21 2,581,429 1.65 1,325,456 1.65 1,325,456 12,178,555 9,683,312 9,094,042 312.30 BOILER PLANT EQUIPMENT - RAILCARS Boardman 3.04 45,556 2.95 44,194 2.95 44,194 Jim Bridger 2.61 64,688 2.31 57,260 2.31 57,260 110,244 101,454 101,454 314.00 TURBOGENERATOR UNITS Boardman 2.80 338,313 2.33 282,04 2.33 282,04 Jim Bridger 3.50 2,412,850 3.26 2,248,58 2.99 2,061,912 Valmy Unit 1 3.75 641,607 1.76 301,882 1.76 301,882 Valmy Unit 2 3.51 858,379 1.84 449,977 1.84 449,977 4,251,149 3,282,483 3,095,815 315.00 ACCESSORY ELECTRIC EQUIPMENT Boardman 1.97 80,752 1.05 42,951 1.05 42,951 Jim Bridger 1.61 408,428 1.13 286,647 1.35 342,507 Valmy Unil 1 2.61 415,206 1.31 208,945 1.31 208,945 ValmyUnil2 2.61 417,174 1.45 232,254 1.45 232,254 1,321,560 770,797 826,657 316.00 MISCELLANEOUS POWER PLANT EQUIPMENT Boardman 3.30 55,945 2.71 45,979 2.71 45,979 Jim Bridger 2.47 120,025 2.35 114,144 2.18 105,818 Valmy Unit 1 3.75 115,004 2.22 68,204 2.22 66,204 Valmy Unit 2 3.56 60,023 2.15 36,244 2.15 36,244 350,997 264,571 256,245 316.10 MISCELLANEOUS POWER PLANT EQUIPMENT - AUTOMOBILES 1.78 1,048 9.52 5,601 9.52 5,601 316.40 MISCELLANEOUS POWER PLANT EQUIPMENT - SMALL TRUCKS Jim Bridger 1.17 2,435 Valmy Unil 1 5.74 1,033 Total Accunt 316.4 3,468 316.50 MISCELLANEOUS POWER PLANT EQUIPMENT - MISCELLANEOUS Boardman 9.45 3,930 6.97 2,900 6.97 2,900 Jim Bridger 9.45 1,019 4.10 958 4.10 958 Valmy Unit 1 4.36 0 5.94 3,529 5.94 3,529 4,949 7,387 7,387 316.70 MISCELLANEOUS POWER PLANT EQUIPMENT - LAGE TRUCKS 3.45 8,672 3.88 9,760 3.88 9,760 Attchment NO.2 Case No. IPC-E-08-06 Idaho Powr Company Page 1 of6 IDAHO POWER COMPANY COMPARISON OF CURRENT, FILED AND SETTLEMENT ACCRUAL RATES AND AMOUNTS CURRENT AS FILED SETTLEMENT ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCOUNT RATE AMOUNT RATE AMOUNT RATE AMOUNT (1) 316.80 MISCELLANEOUS POWER PLANT EQUIPMENT - POWER OPERA 4.31 48,032 13.08 145,714 13.08 145,714 TOTAL STEAM PRODUCTION PLANT 23,863,623 17,939,699 16,887,168 HYDRAULIC PRODUCTION PLANT 331.00 STRUCTURES AND IMPROVEMENTS Hagennan Maintenance Shop 3.33 51,888 4.11 64,117 4.11 64,117 Milner Dam 1.70 13,842 1.72 13,990 1.72 13,990 Niagara Springs Hatchery 3.21 161,449 3.57 179,766 3.57 179,766Hells Canyon Maintenance Shop 2.85 45,738 3.21 51,501 3.21 51,501 Rapid River Hatchery 1.94 46,612 3.09 74,310 3.09 74,310 American Falls 1.62 192,090 1.66 197,107 1.66 197,107Bronlee2.26 679,542 2.42 726,270 2.42 726,270 Bliss 2.23 14,871 2.56 17,049 2.56 17,049Cascade1.65 121,509 1.67 123,336 1.67 123,336ClearLake2.49 4,813 3.14 6,072 2.45 4,730 Hells Canyon 2.85 63,693 3.17 76,124 3.17 76,124 Lower Malad 2.36 14,178 2.53 15,214 2.53 15,214 Lower Salmon 2.26 20,076 2.57 22,849 2.57 22,849 Milner 1.66 157,909 1.68 159,676 1.68 159,676 Oxbow Hatchery 2.39 35,182 2.72 40,052 2.72 40,052 Oxbow 2.64 259,537 2.78 273,365 2.78 273,365 Oxbow Common 0.65 728 0.93 1,038 0.93 1,038 Pahsimerio Accum. Ponds 2.42 101,349 4.19 175,424 4.19 175,424 Pahsimerio Trapping 2.09 19,544 2.40 22,406 2.40 22,406 Shoshone Falls 2.66 30,323 2.83 32,266 2.83 32,266 Strike 2.49 69,470 2.74 76,335 2.74 76,335 Swan Falls 2.81 708,787 2.99 753,550 2.99 753,550 Twin Falls 2.20 14,548 2.40 15,857 2.40 15,857 Twin Falls (New)2.81 285,124 2.97 301,443 2.97 301,443 Thousand Springs 5.47 17,921 10.04 32,909 3.36 11,021 Upper Malad 1.79 6,05 1.97 7,041 1.97 7,041 Upper Salmon A 2.25 19,334 2.39 20,532 2.39 20,532 Upper Salmon B 2.17 7,095 3.07 10,033 3.07 10,033 Upper Salmon Common 2.83 9,971 3.15 11,100 3.15 11,100 3,173,528 3,500,732 3,477,502 332.10 RESERVOIRS, DAMS AND WATERWAYS - RELOCATION Brownlee 2.12 183,161 2.46 212,233 2.46 212,233 Hells Canyon 2.27 21,356 2.60 24,487 2.60 24,487 Oxbow 2.18 1,228 2.52 1,417 2.52 1,417 Oxbow Common 1.72 33,160 2.06 39,664 2.06 39,664 Brownlee Common 1.74 137,387 2.07 163,733 2.07 163,733 376,292 441,534 441,534 332.20 RESERVOIRS, DAMS AND WATERWAYS Milner Dam 1.43 8,793 1.55 9,559 1.55 9,559 American Falls 1.19 50,491 1.35 57,114 1.35 57,114 Brownlee 1.88 989,473 2.17 1,143,926 2.17 1,143,926 Bliss 1.48 110,716 1.75 131,012 1.75 131,012 Cascade 1.34 42,151 1.49 46,756 1.49 46,756ClearLake3.21 18,778 4.14 24,200 3.20 18,715Hells Canyon 2.25 1,163,797 2.55 1,316,438 2.55 1,316,438 Lower Malad 1.69 35,127 1.99 41,380 1.99 41,380 Lower Salmon UO 112,248 2.03 134,181 2.03 134,181 Milner 1.41 233,104 1.53 252,333 1.53 252,333 Oxbow 2.12 642,771 2.41 731,526 2.41 731,526 Oxbow Common 2.36 233 2.72 269 2.72 269 Shoshone Falls 1.40 7,174 1.72 8,809 1.72 8,809 Strke 1.63 159,168 1.92 187,88 1.92 187,848 Swan Falls 2.11 287,835 2.41 329,280 2.41 329,280 Twin Falls 1.76 4,630 1.90 4,996 1.90 4,996 Twin Falls (New)2.60 199,410 2.91 223,512 2.91 223,512 Thousand Springs 3.17 66,045 8.04 167,517 2.67 55,559 Upper Malad 1.52 19,646 1.80 23,284 1.80 23,284 Upper Salmon A 1.59 18,342 3.69 42,594 3.69 42,594 Upper Salmon B 1.45 39,998 2.03 56,122 2.03 56,122 Upper Salmon Common 1.80 13,141 2.46 17,94 2.46 17,944 Hells Canyon Common 1.39 51,752 1.76 65,487 1.76 65,487 Attchment NO.2 Case No. IPC-E-0806 Idaho Power Company Page 20t6 IDAHO POWER COMPANY COMPARISON OF CURRENT, FILED AND SETTLEMENT ACCRUAL RATES AND AMOUNTS CURRENT AS FILED SETTLEMENT ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCOUNT RATE AMOUNT RATE AMOUNT RATE AMOUNT (1) 4,274,823 5,016,087 4,898,64 332.30 RESERVOIRS, DAMS AND WATERWAYS -NEZ PERCE 1.44 80,639 2.87 160,717 2.87 160,717 333.00 WATER VlEELS, TURBINES AND GENERATORS Milner Dam 1.51 13,258 1.50 13,153 1.50 13,153 Amencan Falls 1.33 351,143 1.33 351,166 1.33 351,166 Brownlee 1.57 653,460 1.66 692,584 1.66 692,58 Bliss 1.62 70,751 1.60 69,661 1.60 69,661 Cascade 1.44 130,864 1.43 130,379 1.43 130,379 ClearLake 1.82 13,513 8.99 66,717 7.00 51,982 HellsCiinyon 2.40 262,464 2.60 284,219 2.60 284,219 Lower Malad 1.40 7,397 1.39 7,357 1.39 7,357 Lower Salmon 1.38 61,725 1.41 63,203 1.41 63,203 Milner 1.50 350,286 1.49 347,172 1.49 347,172 Oxbow 2.02 219,158 2.03 219,701 2.03 219,701 Shoshone Falls 2.58 41,906 2.56 41,50 2.56 41,504 Slnke 1.61 75,265 1.60 74,596 1.60 74,596 Swan Falls 2.44 628,926 2.48 638,355 2.48 638,355 Twin Falls 2.37 33,902 2.72 38,915 2.72 38,915 Twin Falls (New)2.46 385,690 2.50 391,295 2.50 391,295 Thousand Spnngs 9.00 65,621 13.47 98,241 4.48 32,696 Upper Malad 1.54 7,338 1.52 7,249 1.52 7,249 Upper Salmon A 1.91 22,766 2.21 26,398 2.21 26,398 Upper Salmon B 1.03 27,003 3.01 78,786 3.01 78,786 3,22,43 3,640,651 3,560,371 334.00 ACCESSORY ELECTRIC EQUIPMENT Hagerman Maintenance Shop 3.89 1,520 4.19 1,635 4.19 1,635 Milner Dam 2.07 5,609 2.00 5,429 2.00 5,429 Amencan Falls 2.00 56,939 1.98 56,489 1.98 56,489 Brownlee 2.33 157,385 2.56 172,643 2.56 172,64 Bliss 3.74 70,504 3.97 74,840 3.97 74,840 Cascade 2.4 53,887 2.90 64,124 2.90 64,124 Clear Lake 0.70 675 1.06 1,020 0.84 807 Hells Canyon 3.42 114,955 3.58 120,257 3.58 120,257 Lower Malad 3.56 12,522 3.66 12,867 3.66 12,867 Lower Salmon 3.41 56,020 3.51 59,768 3.51 59,768 Milner 2.06 48,131 2.02 47,294 2.02 47,294 Oxbow 3.11 95,526 3.22 99,056 3.22 99,056 Shoshone Falls 1.97 7,552 3.01 11,534 3.01 11,534 Stnke 3.26 65,386 3.56 71,377 3.56 71,377 Swan Falls 2.64 82,121 2.74 85,182 2.74 85,182 Twin Falls 3.19 17,179 3.41 18,380 3.41 18,380 Twin Falls (New)2.66 59,602 2.76 61,888 2.76 81,888 Thousand Spnngs 7.26 54,607 17.36 130,600 5.87 44,135 Upper Malad 2.98 11,701 3.75 14,721 3.75 14,721 Upper Salmon A 3.33 40,196 3.43 41,434 3.43 41,434 Upper Salmon B 3.18 38,808 3.41 41,566 3.41 41,566 1,052,825 1,192,104 1,105,426 335.00 MISCELLANEOUS POWER PLANT EQUIPMENT Hagerman Maintenance Shop 3.02 29,502 3.12 30,435 3.12 30,43 Milner Dam 1.56 754 1.49 720 1.49 720 Niagara Spnngs Hatchery 2.26 1,662 2.77 2,039 2.77 2,039 Hells Canyon Maintenance Shop 2.46 19,667 2.49 19,941 2.49 19,941 Rapid River Hatchery 2.28 681 2.08 621 2.08 621 Amencan Falls 1.50 27,085 1.73 31,261 1.73 31,261 Brownlee 1.28 41,654 1.86 60,553 1.86 60,553 Bliss 1.40 7,869 2.52 14,148 2.52 14,148 Cascade 1.41 15,528 1.37 15,056 1.37 15,056 ClearLake 5.67 1,288 6.82 1,550 5.33 1,210 Hells Canyon 2.30 16,937 2.19 16,159 2.19 16,159 Lower Malad 1.18 970 1.36 1,118 1.36 1,118 Lower Salmon 1.31 3,744 1.30 3,723 1.30 3,723 Milner 1.46 9,486 1.38 8,997 1.38 8,997 Oxbow Hatcher 3.55 389 3.53 387 3.53 387 Oxbow 2.40 19,215 2.50 20,007 2.50 20,007 Pahsimeno Accum. Ponds 2.94 323 3.10 341 3.10 341 Pahsimeno Trapping 3.50 455 3.59 467 3.59 467 Shoshone Falls 2.28 4,640 3.28 6,676 3.28 6,676 Slnke 1.60 10,417 2.78 18,071 2.78 18,071 Attchment NO.2 Case No. IPG-E-08-06 Idaho Powr Company Page 3 016 IDAHO POWER COMPANY COMPARISON OF CURRENT, FILED AND SETTLEMENT ACCRUAL RATES AND AMOUNTS CURRENT AS FILED SETTLEMENT ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCOUNT RATE AMOUNT RATE AMOUNT RATE AMOUNT (1) Swan Falls 2.41 34,228 2.37 33,598 2.37 33,598 Twin Falls 1.59 1,576 1.43 1,420 1.43 1,420 Twin Falls (New)2.42 11,326 2.46 11,531 2.46 11,531Thousand Spiings 2.65 1,504 Upper Malad 1.43 1,125 1.23 970 1.23 970 Upper Salmon A 0.78 842 1.10 1,191 1.10 1,191 Upper Salmon B 1.89 3,419 1.99 3,608 1.99 3,608 Upper Salmon Common 2.60 50 2.80 54 2.80 54 266,336 304,642 304,302 335.10 MISCELLANEOUS POWER PLANT EQUIPMENT - EQUIPMENT 2.42 1,010 2.42 1,010335.20 MISCELLANEOUS POWER PLANT EQUIPMENT - FURNITURE 3.53 13,876 3.53 13,876 335.30 MISCELLANEOUS POWER PLANT EQUIPMENT - COMPUTER 13.65 89,248 13.65 89,248 336.00 ROADS, RAILROADS AND BRIDGES Milner Dam 1.53 195 1.52 194 1.52 194 Niagara Spiings Hatchery 0.00 0 b.oo 0.00 Rapid River Hatchery 0.00 0 0.00 0.00 Ameiican Falls 1.52 4,656 1.52 4,64 1.52 4,644Bronlee2.03 10,524 2.01 10,421 2.01 10,421 Bliss 2.40 11,675 2.38 11,585 2.38 11,585 Cascade 1.45 1,779 1.45 1,780 1.45 1,780 ClearLake 0.48 53 0.40 44 0.32 35 Hells Canyon 1.58 12,943 1.56 12,820 1.56 12,820 Lower Malad 2.08 5,087 2.05 5,022 2.05 5,022 Lower Salmon 1.89 1,676 1.83 1,626 1.83 1,626 Milner 1.51 7,386 1.50 7,347 1.50 7,347 Oxbow Hatchery 0.00 0 0.00 0.00 Oxbow 2.25 12,731 2.34 13,235 2.34 13,235Pahsimeiio Accm. Ponds 0.77 204 0.77 204 0.77 204 Pahsimeiio Trapping 0.09 14 0.09 14 0.09 14 Shoshone Falls 1.65 848 1.52 779 1.52 779 Strke 1.07 2,556 1.26 3,016 1.26 3,016 Swan Falls 1.96 16,385 1.99 16,617 1.99 16,617 Twin Falls 2.03 18,144 2.03 18,122 2.03 18,122 Twin Falls (New)2.37 24,265 2.41 24,659 2.41 24,659Thousand Spiings 4.87 2,577 5.87 3,106 1.94 1,029 Upper Malad 2.03 1,220 2.02 1,215 2.02 1,215 Upper Salmon A 2.36 39 2.30 38 2.30 38 Upper Salmon Common 0.01 3 134,960 136,488 134,402 TOTAL HYDRAULIC PRODUCTION PLANT 12,781,839 14,497,089 14,187,032 OTHER PRODUCTION PLANT 341.00 STRUCTURES AND IMPROVEMENTS Salmon Diesel 8.43 1,008 Evander Andrews - Units 2 & 3 2.88 123,173 3.16 134,941 3.16 134,941 Evander Andrews - Unit 1 2.88 2.88 Bennett Mountain 2.88 29,173 2.75 27,892 2.75 27,892 153,354 162,833 162,833 342.00 FUEL HOLDERS Salmon Diesel 1.62 993 Evander Andrews - Units 2 & 3 2.88 41,283 2.80 40,128 2.80 40,128 Evander Andrews - Unit 1 2.88 2.88 Bennett Mountain 2.88 58,345 2.75 55,784 2.75 55,784 100,621 95,912 95,912 343.00 PRIME MOVERS Evander Andrews - Units 2 & 3 2.88 825,896 3.25 932,522 3.25 932,522 Evander Andrews - Unit 1 2.88 2.88 Bennett Mountain 2.88 36,866 2.76 35,268 2.76 35,268 862,762 967,790 967,790 344.00 GENERATORS Salmon Diesel 1.78 9,641 Attchment NO.2 Case No. IPC-E-086 Idaho Power Company Page 4 ot6 IDAHO POWER COMPANY COMPARISON OF CURRENT, FILED AND SETTLEMENT ACCRUAL RATES AND AMOUNTS CURRENT AS FILED SETTLEMENT ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCOUNT RATE AMOUNT RATE AMOUNT RATE AMOUNT (1) Evander Andrews - Units 2 & 3 2.88 379,182 1.93 254,546 1.93 254,546 Evander Andrews - Unit 1 2.88 2.88 Bennett Mountain 2.88 1,381,760 3.30 1,582,007 3.30 1,582,007 1,770,583 1,836,553 1,836,553 345.00 ACCESSORY ELECTRIC EQUIPMENT Salmon Diesel 4.10 11,691 75.81 216,151 7.22 20,586Evander Andres - Units 2 & 3 2.88 82,861 3.07 88,467 3.07 88,467 Evander Andres - Unit 1 2.88 2.88 Bennett Mountain 2.88 43,759 2.75 41,838 2.75 41,838 138,311 346,456 150,891 346.00 MISCELLAEOUS POWER PLANT EQUIPMENT Salmon Diesel 0.00 0 74.27 746 7.17 72 Evander Andres - Units 2 & 3 2.88 39,772 2.52 34,792 2.52 34,792 Evander Andrews - Unit 1 2.88 2.88 Bennett Mountain 2.88 119 2.81 116 2.81 116 39,891 35,654 34,980 TOTAL OTHER PRODUCTION PLANT 3,065,522 3,445,198 3,246,959 TRANSMISSION PLANT 350.20 LAND RIGHTS AND EASEMENTS 1.54 345,807 1.51 338,260 1.51 338,260 350.21 RIGHTS OF WAY 4.09 0 1.50 57,533 1.50 57,533 352.00 STRUCTURES AND IMPROVEMENTS 1.29 474,457 1.68 618,958 1.68 618,958 353.00 STATION EQUIPMENT 2.12 5,210,762 2.06 5,061,625 2.06 5,061,625354.00 TOWERS AND FIXTURES 2.45 2,401,085 1.96 1,924,444 1.96 1,924,444 355.00 POLES AND FIXTURES 2.04 2,272,095 3.13 2,416,448 2.81 2,174,304 356.00 OVERHEAD CONDUCTORS AND DEVICES 1.96 2,352,335 1.92 2,305,954 1.92 2,305,954359.00 ROADS AND TRALS 1.07 3,406 0.98 3,134 0.98 3,134 TOTAL TRANSMISSION PLANT 13,059,947 12,726,356 12,484,212 DISTRIBUTION PLANT 361.00 STRUCTURES AND IMPROVEMENTS 2.05 420,130 1.85 379,681 1.85 379,681 362.00 STATION EQUIPMENT 1.64 2,34,517 1.89 2,695,793 1.89 2,695,793 364.00 POLES, TOWERS AND FIXTURES 3.67 7,145,548 3.29 6,407,092 3.29 6,407,092 365.00 OVERHEAD CONDUCTORS AND DEVICES 3.25 3,214,868 2.95 2,917,577 2.95 2,917,577366.00 UNDERGROUND CONDUIT 2.04 890,085 1.95 649,496 1.95 649,496 367.00 UNDERGROUND CONDUCTORS AND DEVICES 2.73 4,432,158 1.97 3,199,488 1.97 3,199,488 368.00 LINE TRANSFORMERS 1.73 5,514,634 1.67 5,337,672 1.67 5,337,672369.00 SERVICES 3.69 1,891,947 3.09 1,583,874 3.09 1,583,874 370.00 METERS 4.06 1,956,758 6.95 3,350,581 6.95 3,350,581 370.10 METERS - AMR EQUIPMENT 4.06 179,705 6.76 299,33 6.76 299,334371.10 PHOTOVOL TAlC INSTALLATIONS 28.42 102,118 3.68 13,219 3.68 13,219 371.20 INSTALLATION ON CUSTOMER PREMISES 11.85 269,554 0.63 14,274 0.63 14,274 373.20 STREET LIGHTING AND SIGNAL SYSTEMS 5.75 233,857 4.09 166,226 4.09 166,226 TOTAL DISTRIBUTION PLANT 28,595,879 27,214,307 27,214,307 GENERAL PLANT 390.11 STRUCTURES AND IMPROVEMENTS - CHQ BUILDING 2.27 586,410 2.38 614,746 2.38 614,746 390.12 STRUCTURES AND IMPROVEMENTS - EXCL. CHQ BLDG 2.17 677,317 2.24 697,970 2.24 697,970390.20 LEASEHOLD IMPROVEMENTS 3.85 282,792 2.58 189,347 2.58 189,347 391.10 OFFICE FURNITURE & EQUIPMENT - FURNITURE 9.66 1,138,565 4.97 585,505 4.97 585,505 391.20 OFFICE FURNITURE & EQUIPMENT - EDP EQUIP.20.00 4,539,263 24.37 5,531,614 24.37 5,531,614 391.21 OFFICE FURNITURE & EQUIPMENT - EDP EQUIP.16.67 478,001 13.96 400,302 13.96 400,302 392.10 TRASPORTATION EQUIPMENT - AUTOMOBILES 1.78 5,742 6.23 20,109 6.23 20,109 392.30 TRANSPORTATION EQUIPMENT -AIRCRAFT 3.79 97,790 8.62 222,334 8.62 222,33392.40 TRANSPORTATION EQUIPMENT - SMALL TRUCKS 3.45 615,138 3.58 638,683 3.58 638,683 392.50 TRANSPORTATION EQUIPMENT - MISC.9.45 49,427 1.49 7;816 1.49 7,816 392.60 TRANSPORTATION EQUIPMENT - LARGE TRUCKS (HYD)4.72 1,059,533 3.69 829,351 3.69 829,351392.70 TRANSPORTATION EQUIP. - LARGE TRUCKS (NON-HYD)4.26 161,702 2.39 90,686 2.39 90,686 392.90 TRANSPORTATION EQUIPMENT - TRAILERS 1.93 68,539 1.99 70,776 1.99 70,776 393.00 STORES EQUIPMENT 7.89 77,508 5.40 53,001 5.40 53,001 Attachment NO.2 Case No. IPC-E-08-06 Idaho Powr Company Page 5 of6 IDAHO POWER COMPANY COMPARISON OF CURRENT, FILED AND SETTLEMENT ACCRUAL RATES AND AMOUNTS CURRENT AS FILED SETTLEMENT ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCRUAL ACCOUNT RATE AMOUNT RATE AMOUNT RATE AMOUNT (1) 394.00 TOOLS, SHOP AND GARGE EQUIPMENT 8.31 350,872 4.84 204,375 4.84 204,375395.00 LAORATORY EQUIPMENT 6.53 637,402 5.39 526,113 5.39 526,113 396.00 POWER OPERATED EQUIPMENT 6.99 510,758 6.95 507,497 6.95 507,497 397.10 COMMUNICATION EQUIPMENT - TELEPHONES 11.61 802,716 6.16 425,792 6.16 425,792 397.20 COMMUNICATION EQUIPMENT - MICROWAVES 9.99 1,721,643 6.99 1,204,847 6.99 1,204,847 397.30 COMMUNICATION EQUIPMENT - RADIO 9,99 262,084 8.36 219,374 8.36 219,374 397.40 COMMUNICATION EQUIPMENT - FIBER OPTIC 16.45 234,528 8.20 116,956 8.20 116,956 398.00 MISCELLANEOUS EQUIPMENT 8.50 247,380 9.57 278,626 9.57 278,626 TOTAL GENERAL PLANT 14,605,110 13,435,820 13,435,820 TOTAL DEPRECIABLE PLANT 95,971,920 89,258,469 87,457,498 Attachment NO.2 Case No. IPC-E-08-06 Idaho Power Company Page 60f6