HomeMy WebLinkAbout20170705Larsen Exhibit 29.pdfCase No.PAC-E-17-07
Exhibit No.29
Witness:Jeffrey K.Larsen
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION
ROCKYMOUNTAIN POWER
Exhibit Accompanying Direct Testimony of Jeffrey K.Larsen
June 2017
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Rocky Mountain Power
Exhibit No.29 Page 1 of 1
Case No.PAC-E-17-07PacifiCorp
Idaho Witness:Jeffrey K.Larsen
O Combined Projects -Capital Structure,Income Tax Rate,Property Tax Rate
Allocation Factors and Net Power Cost Description
Capital Structure and Cost from Docket Number PAC-E-15-09
Effective 1/1/2016
Line Capital Capital Weighted
no.Capital Structure Structure Cost Cost Pre-Tax Cost
i Debt 48.810%5.151%2.514%2.514%
2 Preferred 0.010%6.753%0.001%0.001%
3 Common 51.180%9.900%5.067%8.166%
4 TOTAL 7.582%10.681%
5 Consolidated Tax Rate 37.951%
6 Tax Gross-up factor for PTC =(1/(1 -tax rate))1.6116
Property Tax Calculation as filed in PAC-E-15-09
7 Total Company 139,158,574
8 Idaho GPS Factor 5.7978%
9 Idaho Property Taxes 8,068,136
10 idaho Gross EPIS 1,552,375,059
11 Idaho Accum.Depr.(479,609,578)
12 Idaho Accum.Amort.(31,808,156)
13 Idaho Net EPIS 1,040,957,325
14 Estimated Idaho Property Tax Rate 0.775%
15 Idaho SG Factor -Docket No.PAC-E-15-09 6.0136%
16 Idaho GPS Factor -Docket No.PAC-E-15-09 5.7978%
Net Power Cost Incremental SavingsCalculation and Definitions
Incremental Generation =Wind Plant Generation MWh -Base Wind Plant Generation MWh
NPC Incremental Savings
=[Incremental GenHLH × (Monthly Market Priceggy -Integration Costs)]
+[Incremental GenLLH × (Monthly Market PriceLLH -Inf€gTŒtÍOR COSCS)
RTM NPC Benefit =NPC Incremental Savings × ECAM Sharing Band
Where:
Incremental Generation =The increase in generationat the wind plantsdue to the Wind Projects
Wind Plant Generation MWh =The wind plant generationassociated with the Wind Projects
Base Wind Plant Generation MWh =The wind plantgenerationassociated with the Wind Projects
thatís included in base rates.
Incremental GenHLH =Th€ŠDCTBRSe in generationat the wind plant due to the Wind Projectsduringheavyloadhours
Incremental Genety =The increase in generationat the wind plant due to Wind Projects duringlightloadhoursMonthlyMarketPriceHLH=1/eavyloadlrouraront/1/ymarketpriceMonthlyMarketPriceLLH=Light load hour monthlymarket priceIntegrationCosts=Wind integrationcosts from the most recent IRP
RTM NPC Beneßt =The NPC benent absorbed by the Company in the ECAMas a result of thesharingband
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