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Analysis of Cost and Savings Values for Revised Energy Star by alextt

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									Analysis of Cost and Savings Values for Revised Energy Star Dishwasher Specifications
June 6, 2006
Revised August 8, 2006 Revised Again January 23, 2007

Revised Again and Again February 20, 2007
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Outstanding Issue from January Meeting
Issue 1 – Sales weighted Energy Star Model’s cost-effectiveness was incorrectly calculated

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Revised Cost-Effectiveness Assuming DOE Incremental Prices, Water Use and 70 F or 90 F Temperature Rise
Measure Incremental Cost (2000$)
$14 $14 $14 $37 $37

Site Savings (kWh) 70 F Delta T
29 41 10 40 56

TRC B/C Ratio - 70 F Delta T
1.92 2.12 1.58 1 1.1

Site Savings (kWh) 90 F Delta T
26 41 1 36 56

TRC B/C Ratio 90 F Delta T
1.87 2.12 1.43 0.97 1.1

EF65 - Any Water Heater EF65 - Electric Water Heater EF65 - Gas Water Heater EF68 - Any Water Heater EF68 - Electric Water Heater

EF68 - Gas Water Heater
EF72 - Any Water Heater EF72 - Electric Water Heater EF72 - Gas Water Heater EF80 - Any Water Heater EF80 - Electric Water Heater EF80 - Gas Water Heater EF1.11 - Any Water Heater EF1.11 - Electric Water Heater EF1.11 - Gas Water Heater Any EF - Any Water Heater

$37
$96 $96 $96 $203 $203 $203 $309 $309 $309 $32

13
53 73 17 75 104 24 131 408 42 38

0.82
0.51 0.57 0.27 0.13 0.24 0.16 0.21 0.73 0.19 1.08

1
47 73 1 67 104 2 116 474 3 34

0.74
0.5 0.57 0.36 0.16 0.24 0.24 0.21 0.81 0.28 1.05


								
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