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Appendix 2
2013 Idaho Cost Effectiveness
ID PAC-E-14-07
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Table of Contents
Portfolio and Sector Level Cost Effectiveness ............................................................................................... 3
Program Level Cost Effectiveness ................................................................................................................. 6
Home Energy Savers Program................................................................................................................... 6
Refrigerator Recycling (See ya later, refrigerator®) .................................................................................. 9
Low Income Weatherization – Schedule 21 ........................................................................................... 11
FinAnswer Express .................................................................................................................................. 13
Agricultural Energy Services (Irrigation Energy Savers) .......................................................................... 15
Energy FinAnswer – Schedule 125 .......................................................................................................... 18
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Portfolio and Sector Level Cost Effectiveness
The tables below present the cost-effectiveness analysis for the Idaho DSM Portfolio based on
Rocky Mountain Power’s 2013 costs and savings estimates. Individual program cost-
effectiveness is provided in the following pages.
Table 1 lists the utility sector-level inputs. Table 2 lists the portfolio costs, Table 3 through Table
5 provide the cost-effectiveness results for:
• Idaho 2013 Total DSM Portfolio, Including Non-Energy Benefits
• Idaho 2013 C&I DSM Portfolio, Including C&I Evaluation Costs
• Idaho 2013 Residential DSM Portfolio, Including Residential Evaluation Costs and Non-
Energy Benefits
The overall energy efficiency portfolio and component sectors were cost effective on a
PacifiCorp Total Resource Cost Test (PTRC), Total Resource Cost Test (TRC), Utility Cost Test
(UCT), and Participant Cost Test (PCT) basis.Table 1. Portfolio Utility Inputs
Parameter Value
Discount Rate 6.88%
Residential Line Loss 11.47%
Commercial Line Loss 10.75%
Industrial Line Loss 7.52%
Irrigation Line Loss 11.45%
Residential Energy Rate ($/kWh) (base year 2013) $0.1062
Commercial Energy Rate ($/kWh) (base year 2013) $0.0885
Industrial Energy Rate ($/kWh) (base year 2013) $0.0689
Irrigation Energy Rate ($/kWh) (base year 2013) $0.0898
Inflation Rate1 1.90%
1 Future rates determined using a 1.9% annual escalator.
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Table 2. Portfolio Costs 2013
Cost Value
Commercial & Industrial Evaluation
Costs $73,655
Residential Evaluation Costs $129,658
Technical Reference Library $23,705
DSM Central $13,566
Low Income Weatherization Portfolio Costs $25,000
Total $265,584
Table 3. Idaho 2013 Total DSM Portfolio Cost-Effectiveness Results (Including Non-Energy Benefits)
Cost-Effectiveness Test Levelized $/kWh Costs Benefits Net Benefits Benefit/Cost Ratio
Total Resource Cost
Test (PTRC) +
Conservation Adder
$0.079 $6,690,405 $8,444,627 $1,754,222 1.26
Total Resource Cost
Test (TRC) No Adder $0.079 $6,690,405 $7,692,854 $1,002,449 1.15
Utility Cost Test (UCT) $0.056 $4,794,085 $7,230,136 $2,436,051 1.51
Rate Impact Test (RIM) $12,639,711 $7,977,986 ($4,661,724) 0.63
Participant Cost Test (PCT) $6,476,925 $12,605,285 $6,128,360 1.95
Lifecycle Revenue Impacts ($/kWh) $0.000096705
Discounted Participant Payback (years) 2.96
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Table 4. Idaho 2013 C&I DSM Portfolio Cost-Effectiveness Results (Including C&I Evaluation Costs)
Cost-Effectiveness Test Levelized $/kWh Costs Benefits Net Benefits Benefit/Cost Ratio
Total Resource Cost
Test (PTRC) +
Conservation Adder
$0.078 $5,096,620 $6,298,157 $1,201,537 1.24
Total Resource Cost
Test (TRC) No Adder $0.078 $5,096,620 $5,725,597 $628,978 1.12
Utility Cost Test (UCT) $0.053 $3,480,612 $5,725,597 $2,244,985 1.64
Rate Impact Test (RIM) $9,269,473 $6,473,448 ($2,796,025) 0.70
Participant Cost Test (PCT) $5,546,717 $8,860,499 $3,313,782 1.60
Lifecycle Revenue
Impacts ($/kWh) $0.000081373
Discounted Participant Payback (years) 4.94
Table 5. Idaho 2013 Residential DSM Portfolio Cost-Effectiveness Results
(Including Residential Evaluation Costs and Non-Energy Benefits)
Cost-Effectiveness
Test
Levelized
$/kWh Costs Benefits Net Benefits Benefit/Cost
Ratio
Total Resource Cost
Test (PTRC) + Conservation Adder $0.078 $1,531,514 $2,146,470 $614,955 1.40
Total Resource Cost
Test (TRC) No Adder $0.078 $1,531,514 $1,967,256 $435,742 1.28
Utility Cost Test (UCT) $0.063 $1,251,202 $1,504,538 $253,336 1.20
Rate Impact Test (RIM) $3,307,967 $1,504,538 ($1,803,429) 0.45
Participant Cost Test
(PCT) $930,209 $3,744,787 $2,814,578 4.03
Lifecycle Revenue
Impacts ($/kWh) $0.000037411
Discounted Participant
Payback (years) 0.99
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Program Level Cost Effectiveness
Home Energy Savers Program
The tables below present the cost-effectiveness results for the Idaho Home Energy Savers
program based on Rocky Mountain Power’s 2013 costs and savings estimates. The utility
discount rate is from the 2013 PacifiCorp Integrated Resource Plan (IRP).
Cost-effectiveness was tested using the 2013 IRP east residential house 35% load factor
decrement for all measure groups except for lighting, for which the 2013 IRP east residential
lighting 48% decrement was used. Table 1 lists the utility inputs. Table 2 lists the annual
program costs. Table 3 shows the annual energy savings and measure lives. Table 4 shows the
annual program non-energy benefits. Table 5 provides the cost-effectiveness results including
non-energy benefit. Table 6 provides the cost-effectiveness results excluding non-energy
benefits. The Home Energy Savings program was cost-effective from all perspectives except for
the rate impact test (RIM).
Table 3. Home Energy Savings Utility Inputs
Parameter Value
Discount Rate 6.88%
Residential Line Loss 11.47%
Residential Energy Rate ($/kWh) (base year 2013) $0.1062
Inflation Rate1 1.90%
1 Future rates determined using a 1.9% annual escalator.
Table 4. Home Energy Savings Annual Program Costs
Measure Utility
Admin
Program
Management Incentives Total Utility
Costs
Gross Customer Costs
Appliances $13,541 $114,959 $274,233 $402,733 $354,673
HVAC $3,116 $26,455 $19,225 $48,796 $82,109
Lighting $2,196 $18,646 $82,862 $103,705 $298,730
Weatherization $13,478 $114,431 $142,307 $270,216 $194,697
Total $32,332 $274,491 $518,627 $825,450 $930,209
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Table 5. Home Energy Savings Annual Energy Savings
Measure Gross kWh Savings Realization Rate
Adjusted Gross Savings
Net-to-Gross Percentage Net kWh Savings Measure Life
Appliances 377,302 100% 377,302 86% 324,480 15
HVAC 86,827 100% 86,827 86% 74,671 20
Lighting 1,672,771 100% 1,672,771 85% 1,421,855 5
Weatherization 375,567 100% 375,567 87% 326,744 30
Total 2,512,467 2,512,467 2,147,750
Table 6. Home Energy Savings Annual Non-Energy Benefits
Measure Annual Value Perspective Adjusted
Clothes Washer $20,445 PTRC,TRC, PCT
CFL General Purpose $58,020 PTRC,TRC, PCT
CFL Specialty $21,511 PTRC,TRC, PCT
Table 7. Home Energy Savings
Cost-Effectiveness Results (Including Non-Energy Benefits)
Cost-Effectiveness Test Levelized $/kWh Costs Benefits Net Benefits Benefit/Cost Ratio
Total Resource Cost
Test (PTRC) + Conservation Adder $0.068 $1,105,762 $1,831,982 $726,220 1.66
Total Resource Cost
Test (TRC) No Adder $0.068 $1,105,762 $1,707,503 $601,741 1.54
Utility Cost Test (UCT) $0.051 $825,450 $1,244,786 $419,335 1.51
Rate Impact Test (RIM) $2,529,679 $1,244,786 ($1,284,893) 0.49
Participant Cost Test
(PCT) $930,209 $3,044,229 $2,114,020 3.27
Lifecycle Revenue
Impacts ($/kWh) $0.000026654
Discounted Participant Payback (years) 1.13
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Table 8. Home Energy Savings Cost-Effectiveness Results (Excluding Non-Energy Benefits)
Cost-Effectiveness Test Levelized
$/kWh Costs Benefits Net Benefits Benefit/Cost
Ratio
Total Resource Cost
Test (PTRC) +
Conservation Adder
$0.068 $1,105,762 $1,369,264 $263,502 1.24
Total Resource Cost
Test (TRC) No Adder $0.068 $1,105,762 $1,244,786 $139,023 1.13
Utility Cost Test (UCT) $0.051 $825,450 $1,244,786 $419,335 1.51
Rate Impact Test (RIM) $2,529,679 $1,244,786 ($1,284,893) 0.49
Participant Cost Test
(PCT) $930,209 $2,502,119 $1,571,911 2.69
Lifecycle Revenue Impacts ($/kWh) $0.000026654
Discounted Participant
Payback (years) 1.58
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Refrigerator Recycling (See ya later, refrigerator®)
The tables below present the cost-effectiveness results for the Idaho See Ya Later Refrigerator®
(SYLR) program based on Rocky Mountain Power’s 2013 costs and savings estimates.
Cost-effectiveness was tested using the 2013 IRP east residential house 35% load factor
decrement for refrigerators and freezers and the 2013 IRP east residential lighting 48% load
factor decrement for kits. Table 1 lists modeling inputs. Table 2 lists annual program costs. Table
3 provides the annual energy savings and measure lives. Table 4 shows the program cost-
effectiveness results. The program is cost-effective from all perspectives except for the RIM.
Table 1. SYLR Utility Inputs
Parameter Value
Discount Rate 6.88%
Residential Line Loss 11.47%
Residential Energy Rate ($/kWh) (base year 2013) $0.1062
Inflation Rate1 1.90%
1 Future rates determined using a 1.9% annual escalator.
Table 2. SYLR Annual Program Costs
Measure Utility Admin Program Admin Program Development Incentives Total Utility
Costs
Refrigerators $7,230 $39,543 $7,566 $13,110 $67,448
Freezers $2,106 $11,517 $2,204 $3,870 $19,697
Kits $292 $1,599 $306 $3,011 $5,208
Total $9,628 $52,659 $10,075 $19,991 $92,353
Table 3. SYLR Annual Energy Savings
Measure Gross kWh
Savings
Realization
Rate
Adjusted Gross Savings
Net-to-Gross
Percentage
Net kWh
Savings
Measure
Life
Refrigerators 520,030 86% 447,226 54% 241,502 7
Freezers 134,289 97% 130,260 48% 62,525 5
Kits 38,480 47% 18,086 100% 18,086 6
Total 692,799 595,572 322,112
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Table 4. SYLR Program Cost-Effectiveness Results
Cost-Effectiveness Test Levelized $/kWh Costs Benefits Net Benefits Benefit/Cost Ratio
Total Resource Cost Test
(PTRC) + Conservation Adder $0.047 $92,353 $150,452 $58,099 1.63
Total Resource Cost Test
(TRC) No Adder $0.047 $92,353 $136,774 $44,421 1.48
Utility Cost Test (UCT) $0.047 $92,353 $136,774 $44,421 1.48
Rate Impact Test (RIM) $286,133 $136,774 ($149,359) 0.48
Participant Cost Test (PCT) $0 $377,135 $377,135 N/A
Lifecycle Revenue
Impacts ($/kWh) $0.000007506
Discounted Participant
Payback (years) N/A
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Low Income Weatherization – Schedule 21
The tables below present the cost-effectiveness results for the Idaho Low Income Weatherization
program based on Rocky Mountain Power’s 2013 costs and savings estimates. The utility
discount rate is from the 2013 PacifiCorp Integrated Resource Plan (IRP).
Cost-effectiveness was tested using the 2013 IRP east residential house 35% load factor
decrement. Table 1 lists the utility inputs. Table 2 lists the annual program costs. Table 3
provides the annual energy savings and measure life. Table 4 shows the program’s non-energy
benefits. Table 5 shows the program cost-effectiveness results. The program is cost-effective
only from the participant cost test (PCT) perspective.
Table 1. Low Income Weatherization Utility Inputs
Parameter Value
Discount Rate 6.88%
Residential Line Loss 11.47%
Residential Energy Rate ($/kWh) (base year 2013) $0.1062
Inflation Rate1 1.90%
1 Future rates determined using a 1.9% annual escalator.
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Table 2. Low Income Weatherization Annual Program Costs
Utility Admin Program Admin Program Development Incentives Total Utility
Costs
Low Income
Weatherization $20,847 $17,866 $361 $164,667 $203,741
Table 3. Low Income Weatherization Annual Energy Savings
Gross kWh Savings Realization Rate
Adjusted
Gross Savings
Net-to-Gross Percentage Net kWh Savings Measure Life
Low Income Weatherization 101,771 100% 101,771 100% 101,771 25
Table 4. Low Income Weatherization: Present Value of Non-Energy Benefits
Non-Energy Benefit Program Impact Perspective Adjusted
Health, Safety and Repair Costs $28,760 PTRC
Table 5. Low Income Weatherization Cost-Effectiveness Results
Cost-Effectiveness Test Levelized
$/kWh Costs Benefits Net Benefits Benefit/Cost
Ratio
Total Resource Cost Test (PTRC) + Conservation Adder $0.143 $203,741 $164,036 ($39,705) 0.81
Total Resource Cost Test
(TRC) No Adder $0.143 $203,741 $122,978 ($80,763) 0.60
Utility Cost Test (UCT) $0.143 $203,741 $122,978 ($80,763) 0.60
Rate Impact Test (RIM) $362,497 $122,978 ($239,519) 0.34
Participant Cost Test (PCT) $0 $323,423 $323,423 N/A
Lifecycle Revenue Impacts ($/kWh) $0.000005332
Discounted Participant
Payback (years) N/A
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FinAnswer Express
The tables below present the cost-effectiveness results for the Idaho FinAnswer Express program
based on Rocky Mountain Power’s 2013 costs and savings estimates. The utility discount rate is
from the 2013 PacifiCorp Integrated Resource Plan (IRP).
Cost-effectiveness was tested using the 2013 IRP east system 70% load factor decrement. Table
1 lists the utility inputs. Table 2 lists the annual program costs. Table 3 shows the annual energy
savings and measure lives. Table 4 provides the cost-effectiveness results. The program was
cost-effective from all perspectives except for the rate impact test (RIM).
Table 9. FinAnswer Express Utility Inputs
Parameter Value
Discount Rate 6.88%
Commercial Line Loss 10.75%
Industrial Line Loss 7.52%
Commercial Energy Rate ($/kWh) (base year 2013) $0.0885
Industrial Energy Rate ($/kWh) (base year 2013) $0.0689
Inflation Rate 1.90%
1 Future rates determined using a 1.9% annual escalator.
Table 10. FinAnswer Express Annual Program Costs
Engineering Costs Utility Admin Program Admin Program Development Incentives
Total
Utility Costs
Gross
Customer Costs
Commercial $52,352 $23,288 $155,334 $12,472 $353,933 $597,379 $1,043,566
Industrial $12,914 $18,503 $60,222 $26,646 $261,855 $380,140 $608,131
Total $65,266 $41,791 $215,556 $39,118 $615,788 $977,519 $1,651,697
Table 11. FinAnswer Express Annual Energy Savings
Gross kWh
Savings
Realization
Rate
Adjusted Gross Savings
Net-to-Gross
Percentage
Net kWh
Savings
Measure
Life
Commercial 2,207,504 101% 2,229,579 67% 1,493,818 12
Industrial 3,148,539 101% 3,180,024 67% 2,130,616 12
Total 5,356,043 5,409,603 3,624,434
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Table 12. FinAnswer Express Cost-Effectiveness Results
Cost-Effectiveness Test Levelized $/kWh Costs Benefits Net Benefits Benefit/Cost Ratio
Total Resource Cost Test (PTRC) + Conservation
Adder
$0.045 $1,468,368 $2,318,209 $849,841 1.58
Total Resource Cost Test
(TRC) No Adder $0.045 $1,468,368 $2,107,463 $639,095 1.44
Utility Cost Test (UCT) $0.030 $977,519 $2,107,463 $1,129,944 2.16
Rate Impact Test (RIM) $3,474,481 $2,107,463 ($1,367,018) 0.61
Participant Cost Test (PCT) $1,651,697 $4,342,597 $2,690,900 2.63
Lifecycle Revenue Impacts ($/kWh) $0.000045975
Discounted Participant Payback (years) 2.62
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Agricultural Energy Services (Irrigation Energy Savers)
The tables below present the cost-effectiveness results for the Idaho Agricultural Energy Savers
program based on Rocky Mountain Power’s 2013 costs and savings estimates. The utility
discount rate is from the 2013 PacifiCorp Integrated Resource Plan (IRP).
Cost-effectiveness was tested using the 2013 IRP east commercial cooling 20% load factor
decrement. Table 1 lists the utility inputs. Table 2 lists the program costs. Table 3 shows the
annual energy savings. Table 4 lists program cost-effectiveness results. Table 5 lists the system
redesign cost-effectiveness results. The Agricultural Energy Savers program was cost-effective
only from the utility cost test perspective (UCT). The system redesign measure group is cost-
effective from all perspectives.
Table 1. Utility Agricultural Energy Savers Inputs
Parameter Value
Discount Rate 6.88%
Irrigation Line Loss 11.45%
Irrigation Energy Rate ($/kWh) (base year
2013)
$0.0898
Inflation Rate1 1.90%
1 Future rates determined using a 1.9% annual escalator
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Table 2. Agricultural Energy Savers Annual Program Costs
Engineering Costs Utility Admin Program Admin Program Development Incentives Total Utility Costs
Gross Customer Costs
Equipment
Exchange - 5,234.47 68,008.80 4,649.85 $48,538 $126,431 $41,404
Pivot/Linear Upgrade - 15,541.09 201,917.59 13,805.38 $381,260 $612,524 $897,420
System
Redesign 133,939.50 1,825.98 23,724.00 1,622.04 $280,508 $441,620 $992,073
Total $133,940 $22,602 $293,650 $20,077 $710,307 $1,180,575 $1,930,897
Table 3. Agricultural Energy Savers Annual Energy Savings
Gross kWh
Savings
Realization
Rate
Adjusted Gross
Savings
Net to Gross
Percentage
Net kWh
Savings
Measure
Life
Equipment Exchange 443,942 - - 57% - 5
Pivot/Linear
Upgrade 4,584,301 (0.71) (3,254,854) 57% (1,855,267) 5
System Redesign 2,293,300 1.69 3,875,677 93% 3,604,380 7
Total 7,321,543 620,823 1,749,113
Table 4. Agricultural Energy Savers Cost-Effectiveness Results
Cost-Effectiveness Test Levelized $/kWh Costs Benefits Net Benefits Benefit/Cost Ratio
Total Resource Cost
Test (PTRC) +
Conservation Adder
$0.201 $2,848,015 $2,628,705 ($219,310) 0.92
Total Resource Cost
Test (TRC) No Adder $0.201 $2,848,015 $2,389,731 ($458,284) 0.84
Utility Cost Test (UCT) $0.149 $2,100,564 $2,389,731 $289,167 1.14
Rate Impact Test (RIM) $4,042,206 $3,137,582 ($904,624) 0.78
Participant Cost Test (PCT) $3,242,915 $2,798,093 ($444,822) 0.86
Lifecycle Revenue
Impacts ($/kWh) $0.000045463
Discounted Participant
Payback (years) N/A
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Table 5. Agricultural Energy Savers System Redesign Cost-Effectiveness Results
Cost-Effectiveness Test Levelized $/kWh Costs Benefits Net Benefits Benefit/Cost Ratio
Total Resource Cost
Test (PTRC) +
Conservation Adder
$0.047 $1,083,740 $2,628,705 $1,544,965 2.43
Total Resource Cost
Test (TRC) No Adder $0.047 $1,083,740 $2,389,731 $1,305,992 2.21
Utility Cost Test (UCT) $0.019 $441,620 $2,389,731 $1,948,112 5.41
Rate Impact Test (RIM) $2,383,261 $2,389,731 $6,471 1.00
Participant Cost Test (PCT) $992,073 $2,368,294 $1,376,221 2.39
Lifecycle Revenue
Impacts ($/kWh) ($0.000000325)
Discounted Participant Payback (years) 2.12
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Energy FinAnswer – Schedule 125
The tables below present the cost-effectiveness results for the Idaho Energy FinAnswer program
based on Rocky Mountain Power’s 2013 costs and savings estimates. The utility discount rate is
from the 2013 PacifiCorp Integrated Resource Plan (IRP).
Cost-effectiveness was tested using the 2013 IRP east system 70% load factor decrement. Table
1 lists the utility inputs. Table 2 lists the annual program costs. Table 3 shows the annual energy
savings and measure lives. Table 4 provides the cost-effectiveness results. The program is cost-
effective from all perspectives except for the rate impact test (RIM).
Table 13. Energy FinAnswer Utility Inputs
Parameter Value
Discount Rate 6.88%
Commercial Line Loss 10.75%
Industrial Line Loss 7.52%
Commercial Energy Rate ($/kWh) (base year 2013) $0.0885
Industrial Energy Rate ($/kWh) (base year 2013) $0.0689
Inflation Rate1 1.90%
1 Future rates determined using a 1.9% annual escalator.
Table 14. Energy FinAnswer Annual Program Costs
Engineering Costs Utility Admin Program Development Incentives
Total
Utility Costs
Gross
Customer Costs
Commercial $9,394 $8,932 $3,374 $52,925 $74,625 $106,353
Industrial $70,726 $11,769 $22,014 $149,740 $254,249 $545,752
Total $80,120 $20,701 $25,388 $202,665 $328,873 $652,105
Table 15. Energy FinAnswer Annual Energy Savings
Gross kWh
Savings
Realization
Rate
Adjusted Gross Savings
Net-to-Gross
Percentage
Net kWh
Savings
Measure
Life
Commercial 425,205 83% 352,920 89% 314,099 15
Industrial 1,914,074 83% 1,588,681 89% 1,413,926 15
Total 2,339,279 1,941,602 1,728,025
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Table 16. Energy FinAnswer Cost-Effectiveness Results
Cost-Effectiveness Test Levelized $/kWh Costs Benefits Net Benefits Benefit/Cost Ratio
Total Resource Cost
Test (PTRC) +
Conservation Adder
$0.039 $706,582 $1,351,243 $644,662 1.91
Total Resource Cost
Test (TRC) No Adder $0.039 $706,582 $1,228,403 $521,821 1.74
Utility Cost Test (UCT) $0.018 $328,873 $1,228,403 $899,530 3.74
Rate Impact Test (RIM) $1,679,131 $1,228,403 ($450,728) 0.73
Participant Cost Test (PCT) $652,105 $1,719,808 $1,067,703 2.64
Lifecycle Revenue Impacts ($/kWh) $0.000013118
Discounted Participant Payback (years) 3.43
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