8A-i

APPENDIX 8A. LIFE-CYCLE COST AND PAYBACK PERIOD RESULTS

TABLE OF CONTENTS

8A.1 LCC & PAYBACK RESULTS FOR LIQUID-IMMERSED TRANSFORMERS, 

DESIGN LINES 1–5 ................................................. 8A-1

8A.1.1 Design Line 1 Results .......................................... 8A-1

8A.1.2 Design Line 2 Results .......................................... 8A-8

8A.1.3 Design Line 3 Results ......................................... 8A-15

8A.1.4 Design Line 4 Results ......................................... 8A-22

8A.1.5 Design Line 5 Results ......................................... 8A-29

8A.2 LCC & PAYBACK RESULTS FOR DRY TYPE TRANSFORMERS, 

DESIGN LINES 6– 13 ............................................... 8A-36

8A.2.1 Design Line 9 Results ......................................... 8A-36

8A.2.2 Design Line 10 Results ........................................ 8A-43

8A.2.3 Design Line 11 Results ........................................ 8A-50

8A.2.4 Design Line 12 Results ........................................ 8A-57

8A.2.5 Design Line 13 Results ........................................ 8A-64

LIST OF TABLES

Table 8A.1.1 Summary Life-Cycle Cost Results for Design Line 1 

Representative Unit ............................................ 8A-1

Table 8A.1.2 Summary of Payback Period Results for Design Line 1 

Representative Unit ............................................ 8A-1

Table 8A.1.3 Summary Life-Cycle Cost Results for Design Line 2 

Representative Unit ............................................ 8A-8

Table 8A.1.4 Summary of Payback Period Results for Design Line 2 

Representative Unit ............................................ 8A-8

Table 8A.1.5 Summary Life-Cycle Cost Results for Design Line 3 

Representative Unit ........................................... 8A-15

Table 8A.1.6 Summary of Payback Period Results for Design Line 3 

Representative Unit ........................................... 8A-15

Table 8A.1.7 Summary Life-Cycle Cost Results for Design Line 4 

Representative Unit ........................................... 8A-22

Table 8A.1.8 Summary of Payback Period Results for Design Line 4 

Representative Unit ........................................... 8A-22

Table 8A.1.9 Summary Life-Cycle Cost Results for Design Line 5 

Representative Unit ........................................... 8A-29
8A-ii

Table 8A.1.10 Summary of Payback Period Results for Design Line 5 

Representative Unit ........................................... 8A-29

Table 8A.2.1 Summary Life-Cycle Cost Results for Design Line 9 

Representative Unit ........................................... 8A-36

Table 8A.2.2 Summary of Payback Period Results for Design Line 9 

Representative Unit ........................................... 8A-36

Table 8A.2.3 Summary Life-Cycle Cost Results for Design Line 10

 Representative Unit ........................................... 8A-43

Table 8A.2.4 Summary of Payback Period Results for Design Line 10 

Representative Unit ........................................... 8A-43

Table 8A.2.5 Summary Life-Cycle Cost Results for Design Line 11 

Representative Unit ........................................... 8A-50

Table 8A.2.6 Summary of Payback Period Results for Design Line 11 

Representative Unit ........................................... 8A-50

Table 8A.2.7 Summary Life-Cycle Cost Results for Design Line 12 

Representative Unit ........................................... 8A-57

Table 8A.2.8 Summary of Payback Period Results for Design Line 12 

Representative Unit ........................................... 8A-57

Table 8A.2.9 Summary Life-Cycle Cost Results for Design Line 13 

Representative Unit ........................................... 8A-64

Table 8A.2.10 Summary of Payback Period Results for Design Line 13 

Representative Unit ........................................... 8A-64

LIST OF FIGURES

Figure 8A.1.1 LCC Savings for Candidate Standard Level 1, Design Line 1: 

Frequency Chart .......................................... 8A-2

Figure 8A.1.2 LCC Savings for Candidate Standard Level 1, Design Line 1: 

Cumulative Chart ......................................... 8A-2

Figure 8A.1.3 Payback Period for Candidate Standard Level 1, Design Line 1: 

Frequency Chart .......................................... 8A-2

Figure 8A.1.4 LCC Savings for Candidate Standard Level 2, Design Line 1: 

Frequency Chart .......................................... 8A-3

Figure 8A.1.5 LCC Savings for Candidate Standard Level 2, Design Line 1: 

Cumulative Chart ......................................... 8A-3

Figure 8A.1.6 Payback Period for Candidate Standard Level 2, Design Line 1: 

Frequency Chart .......................................... 8A-3

Figure 8A.1.7 LCC Savings for Candidate Standard Level 3, Design Line 1: 

Frequency Chart .......................................... 8A-4
8A-iii

Figure 8A.1.8 LCC Savings for Candidate Standard Level 3, Design Line 1: 

Cumulative Chart ......................................... 8A-4

Figure 8A.1.9 Payback Period for Candidate Standard Level 3, Design Line 1: 

Frequency Chart .......................................... 8A-4

Figure 8A.1.10 LCC Savings for Candidate Standard Level 4, Design Line 1: 

Frequency Chart .......................................... 8A-5

Figure 8A.1.11 LCC Savings for Candidate Standard Level 4, Design Line 1: 

Cumulative Chart ......................................... 8A-5

Figure 8A.1.12 Payback Period for Candidate Standard Level 4, Design Line 1: 

Frequency Chart .......................................... 8A-5

Figure 8A.1.13 LCC Savings for Candidate Standard Level 5, Design Line 1: 

Frequency Chart .......................................... 8A-6

Figure 8A.1.14 LCC Savings for Candidate Standard Level 5, Design Line 1: 

Cumulative Chart ......................................... 8A-6

Figure 8A.1.15 Payback Period for Candidate Standard Level 5, Design Line 1: 

Frequency Chart .......................................... 8A-6

Figure 8A.1.16 LCC Savings for Candidate Standard Level 6, Design Line 1: 

Frequency Chart .......................................... 8A-7

Figure 8A.1.17 LCC Savings for Candidate Standard Level 6, Design Line 1: 

Cumulative Chart ......................................... 8A-7

Figure 8A.1.18 Payback Period for Candidate Standard Level 6, Design Line 1: 

Frequency Chart .......................................... 8A-7

Figure 8A.1.19 LCC Savings for Candidate Standard Level 1, Design Line 2: 

Frequency Chart .......................................... 8A-9

Figure 8A.1.20 LCC Savings for Candidate Standard Level 1, Design Line 2: 

Cumulative Chart ......................................... 8A-9

Figure 8A.1.21 Payback Period for Candidate Standard Level 1, Design Line 2: 

Frequency Chart .......................................... 8A-9

Figure 8A.1.22 LCC Savings for Candidate Standard Level 2, Design Line 2: 

Frequency Chart ......................................... 8A-10

Figure 8A.1.23 LCC Savings for Candidate Standard Level 2, Design Line 2: 

Cumulative Chart ........................................ 8A-10

Figure 8A.1.24 Payback Period for Candidate Standard Level 2, Design Line 2: 

Frequency Chart ......................................... 8A-10

Figure 8A.1.25 LCC Savings for Candidate Standard Level 3, Design Line 2: 

Frequency Chart ......................................... 8A-11

Figure 8A.1.26 LCC Savings for Candidate Standard Level 3, Design Line 2: 

Cumulative Chart ........................................ 8A-11

Figure 8A.1.27 Payback Period for Candidate Standard Level 3, Design Line 2: 

Frequency Chart ......................................... 8A-11
8A-iv

Figure 8A.1.28 LCC Savings for Candidate Standard Level 4, Design Line 2: 

Frequency Chart ......................................... 8A-12

Figure 8A.1.29 LCC Savings for Candidate Standard Level 4, Design Line 2: 

Cumulative Chart ........................................ 8A-12

Figure 8A.1.30 Payback Period for Candidate Standard Level 4, Design Line 2: 

Frequency Chart ......................................... 8A-12

Figure 8A.1.31 LCC Savings for Candidate Standard Level 5, Design Line 2: 

Frequency Chart ......................................... 8A-13

Figure 8A.1.32 LCC Savings for Candidate Standard Level 5, Design Line 2: 

Cumulative Chart ........................................ 8A-13

Figure 8A.1.33 Payback Period for Candidate Standard Level 5, Design Line 2: 

Frequency Chart ......................................... 8A-13

Figure 8A.1.34 LCC Savings for Candidate Standard Level 6, Design Line 2: 

Frequency Chart ......................................... 8A-14

Figure 8A.1.35 LCC Savings for Candidate Standard Level 6, Design Line 2: 

Cumulative Chart ........................................ 8A-14

Figure 8A.1.36 Payback Period for Candidate Standard Level 6, Design Line 2: 

Frequency Chart ......................................... 8A-14

Figure 8A.1.37 LCC Savings for Candidate Standard Level 1, Design Line 3: 

Frequency Chart ......................................... 8A-16

Figure 8A.1.38 LCC Savings for Candidate Standard Level 1, Design Line 3: 

Cumulative Chart ........................................ 8A-16

Figure 8A.1.39 Payback Period for Candidate Standard Level 1, Design Line 3: 

Frequency Chart ......................................... 8A-16

Figure 8A.1.40 LCC Savings for Candidate Standard Level 2, Design Line 3: 

Frequency Chart ......................................... 8A-17

Figure 8A.1.41 LCC Savings for Candidate Standard Level 2, Design Line 3: 

Cumulative Chart ........................................ 8A-17

Figure 8A.1.42 Payback Period for Candidate Standard Level 2, Design Line 3: 

Frequency Chart ......................................... 8A-17

Figure 8A.1.43 LCC Savings for Candidate Standard Level 3, Design Line 3: 

Frequency Chart ......................................... 8A-18

Figure 8A.1.44 LCC Savings for Candidate Standard Level 3, Design Line 3: 

Cumulative Chart ........................................ 8A-18

Figure 8A.1.45 Payback Period for Candidate Standard Level 3, Design Line 3: 

Frequency Chart ......................................... 8A-18

Figure 8A.1.46 LCC Savings for Candidate Standard Level 4, Design Line 3: 

Frequency Chart ......................................... 8A-19

Figure 8A.1.47 LCC Savings for Candidate Standard Level 4, Design Line 3: 

Cumulative Chart ........................................ 8A-19
8A-v

Figure 8A.1.48 Payback Period for Candidate Standard Level 4, Design Line 3: 

Frequency Chart ......................................... 8A-19

Figure 8A.1.49 LCC Savings for Candidate Standard Level 5, Design Line 3: 

Frequency Chart ......................................... 8A-20

Figure 8A.1.50 LCC Savings for Candidate Standard Level 5, Design Line 3: 

Cumulative Chart ........................................ 8A-20

Figure 8A.1.51 Payback Period for Candidate Standard Level 5, Design Line 3: 

Frequency Chart ......................................... 8A-20

Figure 8A.1.52 LCC Savings for Candidate Standard Level 6, Design Line 3: 

Frequency Chart ......................................... 8A-21

Figure 8A.1.53 LCC Savings for Candidate Standard Level 6, Design Line 3: 

Cumulative Chart ........................................ 8A-21

Figure 8A.1.54 Payback Period for Candidate Standard Level 6, Design Line 3: 

Frequency Chart ......................................... 8A-21

Figure 8A.1.55 LCC Savings for Candidate Standard Level 1, Design Line 4: 

Frequency Chart ......................................... 8A-23

Figure 8A.1.56 LCC Savings for Candidate Standard Level 1, Design Line 4: 

Cumulative Chart ........................................ 8A-23

Figure 8A.1.57 Payback Period for Candidate Standard Level 1, Design Line 4: 

Frequency Chart ......................................... 8A-23

Figure 8A.1.58 LCC Savings for Candidate Standard Level 2, Design Line 4: 

Frequency Chart ......................................... 8A-24

Figure 8A.1.59 LCC Savings for Candidate Standard Level 2, Design Line 4: 

Cumulative Chart ........................................ 8A-24

Figure 8A.1.60 Payback Period for Candidate Standard Level 2, Design Line 4: 

Frequency Chart ......................................... 8A-24

Figure 8A.1.61 LCC Savings for Candidate Standard Level 3, Design Line 4: 

Frequency Chart ......................................... 8A-25

Figure 8A.1.62 LCC Savings for Candidate Standard Level 3, Design Line 4: 

Cumulative Chart ........................................ 8A-25

Figure 8A.1.63 Payback Period for Candidate Standard Level 3, Design Line 4: 

Frequency Chart ......................................... 8A-25

Figure 8A.1.64 LCC Savings for Candidate Standard Level 4, Design Line 4: 

Frequency Chart ......................................... 8A-26

Figure 8A.1.65 LCC Savings for Candidate Standard Level 4, Design Line 4: 

Cumulative Chart ........................................ 8A-26

Figure 8A.1.66 Payback Period for Candidate Standard Level 4, Design Line 4: 

Frequency Chart ......................................... 8A-26

Figure 8A.1.67 LCC Savings for Candidate Standard Level 5, Design Line 4: 

Frequency Chart ......................................... 8A-27
8A-vi

Figure 8A.1.68 LCC Savings for Candidate Standard Level 5, Design Line 4: 

Cumulative Chart ........................................ 8A-27

Figure 8A.1.69 Payback Period for Candidate Standard Level 5, Design Line 4: 

Frequency Chart ......................................... 8A-27

Figure 8A.1.70 LCC Savings for Candidate Standard Level 6, Design Line 4: 

Frequency Chart ......................................... 8A-28

Figure 8A.1.71 LCC Savings for Candidate Standard Level 6, Design Line 4: 

Cumulative Chart ........................................ 8A-28

Figure 8A.1.72 Payback Period for Candidate Standard Level 6, Design Line 4: 

Frequency Chart ......................................... 8A-28

Figure 8A.1.73 LCC Savings for Candidate Standard Level 1, Design Line 5: 

Frequency Chart ......................................... 8A-30

Figure 8A.1.74 LCC Savings for Candidate Standard Level 1, Design Line 5: 

Cumulative Chart ........................................ 8A-30

Figure 8A.1.75 Payback Period for Candidate Standard Level 1, Design Line 5: 

Frequency Chart ......................................... 8A-30

Figure 8A.1.76 LCC Savings for Candidate Standard Level 2, Design Line 5: 

Frequency Chart ......................................... 8A-31

Figure 8A.1.77 LCC Savings for Candidate Standard Level 2, Design Line 5: 

Cumulative Chart ........................................ 8A-31

Figure 8A.1.78 Payback Period for Candidate Standard Level 2, Design Line 5: 

Frequency Chart ......................................... 8A-31

Figure 8A.1.79 LCC Savings for Candidate Standard Level 3, Design Line 5: 

Frequency Chart ......................................... 8A-32

Figure 8A.1.80 LCC Savings for Candidate Standard Level 3, Design Line 5: 

Cumulative Chart ........................................ 8A-32

Figure 8A.1.81 Payback Period for Candidate Standard Level 3, Design Line 5: 

Frequency Chart ......................................... 8A-32

Figure 8A.1.82 LCC Savings for Candidate Standard Level 4, Design Line 5: 

Frequency Chart ......................................... 8A-33

Figure 8A.1.83 LCC Savings for Candidate Standard Level 4, Design Line 5: 

Cumulative Chart ........................................ 8A-33

Figure 8A.1.84 Payback Period for Candidate Standard Level 4, Design Line 5: 

Frequency Chart ......................................... 8A-33

Figure 8A.1.85 LCC Savings for Candidate Standard Level 5, Design Line 5: 

Frequency Chart ......................................... 8A-34

Figure 8A.1.86 LCC Savings for Candidate Standard Level 5, Design Line 5: 

Cumulative Chart ........................................ 8A-34

Figure 8A.1.87 Payback Period for Candidate Standard Level 5, Design Line 5: 

Frequency Chart ......................................... 8A-34
8A-vii

Figure 8A.1.88 LCC Savings for Candidate Standard Level 6, Design Line 5: 

Frequency Chart ......................................... 8A-35

Figure 8A.1.89 LCC Savings for Candidate Standard Level 6, Design Line 5: 

Cumulative Chart ........................................ 8A-35

Figure 8A.1.90 Payback Period for Candidate Standard Level 6, Design Line 5: 

Frequency Chart ......................................... 8A-35

Figure 8A.2.1 LCC Savings for Candidate Standard Level 1, Design Line 9: 

Frequency Chart ......................................... 8A-37

Figure 8A.2.2 LCC Savings for Candidate Standard Level 1, Design Line 9: 

Cumulative Chart ........................................ 8A-37

Figure 8A.2.3 Payback Period for Candidate Standard Level 1, Design Line 9: 

Frequency Chart ......................................... 8A-37

Figure 8A.2.4 LCC Savings for Candidate Standard Level 2, Design Line 9: 

Frequency Chart ......................................... 8A-38

Figure 8A.2.5 LCC Savings for Candidate Standard Level 2, Design Line 9: 

Cumulative Chart ........................................ 8A-38

Figure 8A.2.6 Payback Period for Candidate Standard Level 2, Design Line 9: 

Frequency Chart ......................................... 8A-38

Figure 8A.2.7 LCC Savings for Candidate Standard Level 3, Design Line 9: 

Frequency Chart ......................................... 8A-39

Figure 8A.2.8 LCC Savings for Candidate Standard Level 3, Design Line 9: 

Cumulative Chart ........................................ 8A-39

Figure 8A.2.9 Payback Period for Candidate Standard Level 3, Design Line 9: 

Frequency Chart ......................................... 8A-39

Figure 8A.2.10 LCC Savings for Candidate Standard Level 4, Design Line 9: 

Frequency Chart ......................................... 8A-40

Figure 8A.2.11 LCC Savings for Candidate Standard Level 4, Design Line 9: 

Cumulative Chart ........................................ 8A-40

Figure 8A.2.12 Payback Period for Candidate Standard Level 4, Design Line 9: 

Frequency Chart ......................................... 8A-40

Figure 8A.2.13 LCC Savings for Candidate Standard Level 5, Design Line 9: 

Frequency Chart ......................................... 8A-41

Figure 8A.2.14 LCC Savings for Candidate Standard Level 5, Design Line 9: 

Cumulative Chart ........................................ 8A-41

Figure 8A.2.15 Payback Period for Candidate Standard Level 5, Design Line 9: 

Frequency Chart ......................................... 8A-41

Figure 8A.2.16 LCC Savings for Candidate Standard Level 6, Design Line 9: 

Frequency Chart ......................................... 8A-42

Figure 8A.2.17 LCC Savings for Candidate Standard Level 6, Design Line 9: 

Cumulative Chart ........................................ 8A-42
8A-viii

Figure 8A.2.18 Payback Period for Candidate Standard Level 6, Design Line 9: 

Frequency Chart ......................................... 8A-42

Figure 8A.2.19 LCC Savings for Candidate Standard Level 1, Design Line 10: 

Frequency Chart ......................................... 8A-44

Figure 8A.2.20 LCC Savings for Candidate Standard Level 1, Design Line 10: 

Cumulative Chart ........................................ 8A-44

Figure 8A.2.21 Payback Period for Candidate Standard Level 1, Design Line 10: 

Frequency Chart ......................................... 8A-44

Figure 8A.2.22 LCC Savings for Candidate Standard Level 2, Design Line 10: 

Frequency Chart ......................................... 8A-45

Figure 8A.2.23 LCC Savings for Candidate Standard Level 2, Design Line 10: 

Cumulative Chart ........................................ 8A-45

Figure 8A.2.24 Payback Period for Candidate Standard Level 2, Design Line 10: 

Frequency Chart ......................................... 8A-45

Figure 8A.2.25 LCC Savings for Candidate Standard Level 3, Design Line 10: 

Frequency Chart ......................................... 8A-46

Figure 8A.2.26 LCC Savings for Candidate Standard Level 3, Design Line 10: 

Cumulative Chart ........................................ 8A-46

Figure 8A.2.27 Payback Period for Candidate Standard Level 3, Design Line 10: 

Frequency Chart ......................................... 8A-46

Figure 8A.2.28 LCC Savings for Candidate Standard Level 4, Design Line 10: 

Frequency Chart ......................................... 8A-47

Figure 8A.2.29 LCC Savings for Candidate Standard Level 4, Design Line 10: 

Cumulative Chart ........................................ 8A-47

Figure 8A.2.30 Payback Period for Candidate Standard Level 4, Design Line 10: 

Frequency Chart ......................................... 8A-47

Figure 8A.2.31 LCC Savings for Candidate Standard Level 5, Design Line 10: 

Frequency Chart ......................................... 8A-48

Figure 8A.2.32 LCC Savings for Candidate Standard Level 5, Design Line 10: 

Cumulative Chart ........................................ 8A-48

Figure 8A.2.33 Payback Period for Candidate Standard Level 5, Design Line 10: 

Frequency Chart ......................................... 8A-48

Figure 8A.2.34 LCC Savings for Candidate Standard Level 6, Design Line 10: 

Frequency Chart ......................................... 8A-49

Figure 8A.2.35 LCC Savings for Candidate Standard Level 6, Design Line 10: 

Cumulative Chart ........................................ 8A-49

Figure 8A.2.36 Payback Period for Candidate Standard Level 6, Design Line 10: 

Frequency Chart ......................................... 8A-49

Figure 8A.2.37 LCC Savings for Candidate Standard Level 1, Design Line 11: 

Frequency Chart ......................................... 8A-51
8A-ix

Figure 8A.2.38 LCC Savings for Candidate Standard Level 1, Design Line 11: 

Cumulative Chart ........................................ 8A-51

Figure 8A.2.39 Payback Period for Candidate Standard Level 1, Design Line 11: 

Frequency Chart ......................................... 8A-51

Figure 8A.2.40 LCC Savings for Candidate Standard Level 2, Design Line 11: 

Frequency Chart ......................................... 8A-52

Figure 8A.2.41 LCC Savings for Candidate Standard Level 2, Design Line 11: 

Cumulative Chart ........................................ 8A-52

Figure 8A.2.42 Payback Period for Candidate Standard Level 2, Design Line 11: 

Frequency Chart ......................................... 8A-52

Figure 8A.2.43 LCC Savings for Candidate Standard Level 3, Design Line 11: 

Frequency Chart ......................................... 8A-53

Figure 8A.2.44 LCC Savings for Candidate Standard Level 3, Design Line 11: 

Cumulative Chart ........................................ 8A-53

Figure 8A.2.45 Payback Period for Candidate Standard Level 3, Design Line 11: 

Frequency Chart ......................................... 8A-53

Figure 8A.2.46 LCC Savings for Candidate Standard Level 4, Design Line 11: 

Frequency Chart ......................................... 8A-54

Figure 8A.2.47 LCC Savings for Candidate Standard Level 4, Design Line 11: 

Cumulative Chart ........................................ 8A-54

Figure 8A.2.48 Payback Period for Candidate Standard Level 4, Design Line 11: 

Frequency Chart ......................................... 8A-54

Figure 8A.2.49 LCC Savings for Candidate Standard Level 5, Design Line 11: 

Frequency Chart ......................................... 8A-55

Figure 8A.2.50 LCC Savings for Candidate Standard Level 5, Design Line 11: 

Cumulative Chart ........................................ 8A-55

Figure 8A.2.51 Payback Period for Candidate Standard Level 5, Design Line 11: 

Frequency Chart ......................................... 8A-55

Figure 8A.2.52 LCC Savings for Candidate Standard Level 6, Design Line 11: 

Frequency Chart ......................................... 8A-56

Figure 8A.2.53 LCC Savings for Candidate Standard Level 6, Design Line 11: 

Cumulative Chart ........................................ 8A-56

Figure 8A.2.54 Payback Period for Candidate Standard Level 6, Design Line 11: 

Frequency Chart ......................................... 8A-56

Figure 8A.2.55 LCC Savings for Candidate Standard Level 1, Design Line 12: 

Frequency Chart ......................................... 8A-58

Figure 8A.2.56 LCC Savings for Candidate Standard Level 1, Design Line 12: 

Cumulative Chart ........................................ 8A-58

Figure 8A.2.57 Payback Period for Candidate Standard Level 1, Design Line 12: 

Frequency Chart ......................................... 8A-58
8A-x

Figure 8A.2.58 LCC Savings for Candidate Standard Level 2, Design Line 12: 

Frequency Chart ......................................... 8A-59

Figure 8A.2.59 LCC Savings for Candidate Standard Level 2, Design Line 12: 

Cumulative Chart ........................................ 8A-59

Figure 8A.2.60 Payback Period for Candidate Standard Level 2, Design Line 12: 

Frequency Chart ......................................... 8A-59

Figure 8A.2.61 LCC Savings for Candidate Standard Level 3, Design Line 12: 

Frequency Chart ......................................... 8A-60

Figure 8A.2.62 LCC Savings for Candidate Standard Level 3, Design Line 12: 

Cumulative Chart ........................................ 8A-60

Figure 8A.2.63 Payback Period for Candidate Standard Level 3, Design Line 12: 

Frequency Chart ......................................... 8A-60

Figure 8A.2.64 LCC Savings for Candidate Standard Level 4, Design Line 12: 

Frequency Chart ......................................... 8A-61

Figure 8A.2.65 LCC Savings for Candidate Standard Level 4, Design Line 12: 

Cumulative Chart ........................................ 8A-61

Figure 8A.2.66 Payback Period for Candidate Standard Level 4, Design Line 12: 

Frequency Chart ......................................... 8A-61

Figure 8A.2.67 LCC Savings for Candidate Standard Level 5, Design Line 12: 

Frequency Chart ......................................... 8A-62

Figure 8A.2.68 LCC Savings for Candidate Standard Level 5, Design Line 12: 

Cumulative Chart ........................................ 8A-62

Figure 8A.2.69 Payback Period for Candidate Standard Level 5, Design Line 12: 

Frequency Chart ......................................... 8A-62

Figure 8A.2.70 LCC Savings for Candidate Standard Level 6, Design Line 12:

 Frequency Chart ......................................... 8A-63

Figure 8A.2.71 LCC Savings for Candidate Standard Level 6, Design Line 12: 

Cumulative Chart ........................................ 8A-63

Figure 8A.2.72 Payback Period for Candidate Standard Level 6, Design Line 12: 

Frequency Chart ......................................... 8A-63

Figure 8A.2.73 LCC Savings for Candidate Standard Level 1, Design Line 13: 

Frequency Chart ......................................... 8A-65

Figure 8A.2.74 LCC Savings for Candidate Standard Level 1, Design Line 13: 

Cumulative Chart ........................................ 8A-65

Figure 8A.2.75 Payback Period for Candidate Standard Level 1, Design Line 13: 

Frequency Chart ......................................... 8A-65

Figure 8A.2.76 LCC Savings for Candidate Standard Level 2, Design Line 13: 

Frequency Chart ......................................... 8A-66

Figure 8A.2.77 LCC Savings for Candidate Standard Level 2, Design Line 13: 

Cumulative Chart ........................................ 8A-66
8A-xi

Figure 8A.2.78 Payback Period for Candidate Standard Level 2, Design Line 13: 

Frequency Chart ......................................... 8A-66

Figure 8A.2.79 LCC Savings for Candidate Standard Level 3, Design Line 13: 

Frequency Chart ......................................... 8A-67

Figure 8A.2.80 LCC Savings for Candidate Standard Level 3, Design Line 13: 

Cumulative Chart ........................................ 8A-67

Figure 8A.2.81 Payback Period for Candidate Standard Level 3, Design Line 13: 

Frequency Chart ......................................... 8A-67

Figure 8A.2.82 LCC Savings for Candidate Standard Level 4, Design Line 13: 

Frequency Chart ......................................... 8A-68

Figure 8A.2.83 LCC Savings for Candidate Standard Level 4, Design Line 13: 

Cumulative Chart ........................................ 8A-68

Figure 8A.2.84 Payback Period for Candidate Standard Level 4, Design Line 13: 

Frequency Chart ......................................... 8A-68

Figure 8A.2.85 LCC Savings for Candidate Standard Level 5, Design Line 13: 

Frequency Chart ......................................... 8A-69

Figure 8A.2.86 LCC Savings for Candidate Standard Level 5, Design Line 13: 

Cumulative Chart ........................................ 8A-69

Figure 8A.2.87 Payback Period for Candidate Standard Level 5, Design Line 13: 

Frequency Chart ......................................... 8A-69

Figure 8A.2.88 LCC Savings for Candidate Standard Level 6, Design Line 13: 

Frequency Chart ......................................... 8A-70

Figure 8A.2.89 LCC Savings for Candidate Standard Level 6, Design Line 13: 

Cumulative Chart ........................................ 8A-70

Figure 8A.2.90 Payback Period for Candidate Standard Level 6, Design Line 13: 

Frequency Chart ......................................... 8A-70
8A-1

APPENDIX 8A. LIFE-CYCLE COST AND PAYBACK PERIOD RESULTS

8A.1 LCC & PAYBACK RESULTS FOR LIQUID-IMMERSED TRANSFORMERS, 

DESIGN LINES 1–5

8A.1.1 Design Line 1 Results

Table 8A.1.1 Summary Life-Cycle Cost Results for Design Line 1 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Efficiency (%) 98.90 99.04 99.19 99.33 99.49 99.59

Transformers having LCC Savings $ $0 (%) 95.1 83.38 47.24 72.33 42.06 9.46

Mean LCC Savings ($) 93 98 5 180 3 -688

Table 8A.1.2 Summary of Payback Period Results for Design Line 1 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Mean Payback (Years) 11.4 21.9 36.0 15.5 24.4 45.0

Transformers having Well Defined Payback (%) 65.2 50.9 14.7 4.6 2.1 0.0

Transformers having No Impact on Payback (%) 34.0 47.6 81.8 95.1 97.7 99.3

Transformers having Undefined Payback (%) 0.8 1.5 3.5 0.3 0.2 0.7

Mean Incremental First Cost ($) 166 312 494 509 878 1679

Mean Operating Cost Savings ($) 22 24 23 36 43 46
8A-2

Figure 0LCC Savings for Candidate Standard Level 1, Design Line

1: Frequency Chart

Figure 1LCC Savings for Candidate Standard Level 1, Design Line

1: Cumulative Chart

Figure 2Payback Period for Candidate Standard Level 1, Design Line

1: Frequency Chart
8A-3

Figure 3LCC Savings for Candidate Standard Level 2, Design Line

1: Frequency Chart

Figure 4LCC Savings for Candidate Standard Level 2, Design Line

1: Cumulative Chart

Figure 5Payback Period for Candidate Standard Level 2, Design Line

1: Frequency Chart
8A-4

Figure 6LCC Savings for Candidate Standard Level 3, Design Line

1: Frequency Chart

Figure 7LCC Savings for Candidate Standard Level 3, Design Line

1: Cumulative Chart

Figure 8Payback Period for Candidate Standard Level 3, Design Line

1: Frequency Chart
8A-5

Figure 9LCC Savings for Candidate Standard Level 4, Design Line

1: Frequency Chart

Figure 10LCC Savings for Candidate Standard Level 4, Design Line

1: Cumulative Chart

Figure 11Payback Period for Candidate Standard Level 4, Design

Line 1: Frequency Chart
8A-6

Figure 12LCC Savings for Candidate Standard Level 5, Design Line

1: Frequency Chart

Figure 13LCC Savings for Candidate Standard Level 5, Design Line

1: Cumulative Chart

Figure 14Payback Period for Candidate Standard Level 5, Design

Line 1: Frequency Chart
8A-7

Figure 15LCC Savings for Candidate Standard Level 6, Design Line

1: Frequency Chart

Figure 16LCC Savings for Candidate Standard Level 6, Design Line

1: Cumulative Chart

Figure 17Payback Period for Candidate Standard Level 6, Design

Line 1: Frequency Chart
8A-8

8A.1.2 Design Line 2 Results

Table 8A.1.3 Summary Life-Cycle Cost Results for Design Line 2 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Efficiency (%) 98.70 98.73 98.76 98.79 98.96 99.46

Transformers having LCC Savings $ $0 (%) 98.6 97.0 94.8 91.4 56.1 1.1

Mean LCC Savings ($) 69 70 72 71 7 -953

Table 8A.1.4 Summary of Payback Period Results for Design Line 2 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Mean Payback (Years) 4.8 6.8 8.8 12.0 31.7 66.6

Transformers having Well Defined Payback (%) 66.6 64.3 60.8 56.3 25.4 0.0

Transformers having No Impact on Payback (%) 28.3 34.4 37.2 40.9 71.3 100.0

Transformers having Undefined Payback (%) 5.1 1.3 2.0 2.8 3.3 0.0

Mean Incremental First Cost ($) 32 49 59 76 239 1,475

Mean Operating Cost Savings ($) 13 13 12 12 12 25
8A-9

Figure 18LCC Savings for Candidate Standard Level 1, Design Line

2: Frequency Chart

Figure 19LCC Savings for Candidate Standard Level 1, Design Line

2: Cumulative Chart

Figure 20Payback Period for Candidate Standard Level 1, Design

Line 2: Frequency Chart
8A-10

Figure 21LCC Savings for Candidate Standard Level 2, Design Line

2: Frequency Chart

Figure 22LCC Savings for Candidate Standard Level 2, Design Line

2: Cumulative Chart

Figure 23Payback Period for Candidate Standard Level 2, Design

Line 2: Frequency Chart
8A-11

Figure 24LCC Savings for Candidate Standard Level 3, Design Line

2: Frequency Chart

Figure 25LCC Savings for Candidate Standard Level 3, Design Line

2: Cumulative Chart

Figure 26Payback Period for Candidate Standard Level 3, Design

Line 2: Frequency Chart
8A-12

Figure 27LCC Savings for Candidate Standard Level 4, Design Line

2: Frequency Chart

Figure 28LCC Savings for Candidate Standard Level 4, Design Line

2: Cumulative Chart

Figure 29Payback Period for Candidate Standard Level 4, Design

Line 2: Frequency Chart
8A-13

Figure 30LCC Savings for Candidate Standard Level 5, Design Line

2: Frequency Chart

Figure 31LCC Savings for Candidate Standard Level 5, Design Line

2: Cumulative Chart

Figure 32Payback Period for Candidate Standard Level 5, Design

Line 2: Frequency Chart
8A-14

Figure 33LCC Savings for Candidate Standard Level 6, Design Line

2: Frequency Chart

Figure 34LCC Savings for Candidate Standard Level 6, Design Line

2: Cumulative Chart

Figure 35Payback Period for Candidate Standard Level 6, Design

Line 2: Frequency Chart
8A-15

8A.1.3 Design Line 3 Results

Table 8A.1.5 Summary Life-Cycle Cost Results for Design Line 3 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Efficiency (%) 99.30 99.38 99.46 99.54 99.74 99.75

Transformers having LCC Savings $ $0 (%) 99.8 98.6 93.9 60.1 33.7 29.2

Mean LCC Savings ($) 1,746 2,267 2,775 2,876 627 -410

Table 8A.1.6 Summary of Payback Period Results for Design Line 3 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Mean Payback (Years) 1.4 4.3 10.4 19.8 29.3 32.3

Transformers having Well Defined Payback (%) 73.7 65.2 49.5 4.0 0.1 0.0

Transformers having No Impact on Payback (%) 16.8 34.4 50.1 93.5 99.8 100.0

Transformers having Undefined Payback (%) 9.6 0.4 0.5 2.6 0.0 0.0

Mean Incremental First Cost ($) 131 628 1,302 1,871 8,287 9,332

Mean Operating Cost Savings ($) 292 303 290 212 397 398
8A-16

Figure 36LCC Savings for Candidate Standard Level 1, Design Line

3: Frequency Chart

Figure 37LCC Savings for Candidate Standard Level 1, Design Line

3: Cumulative Chart

Figure 38Payback Period for Candidate Standard Level 1, Design

Line 3: Frequency Chart
8A-17

Figure 39LCC Savings for Candidate Standard Level 2, Design Line

3: Frequency Chart

Figure 40LCC Savings for Candidate Standard Level 2, Design Line

3: Cumulative Chart

Figure 41Payback Period for Candidate Standard Level 2, Design

Line 3: Frequency Chart
8A-18

Figure 42LCC Savings for Candidate Standard Level 3, Design Line

3: Frequency Chart

Figure 43LCC Savings for Candidate Standard Level 3, Design Line

3: Cumulative Chart

Figure 44Payback Period for Candidate Standard Level 3, Design

Line 3: Frequency Chart
8A-19

Figure 45LCC Savings for Candidate Standard Level 4, Design Line

3: Frequency Chart

Figure 46LCC Savings for Candidate Standard Level 4, Design Line

3: Cumulative Chart

Figure 47Payback Period for Candidate Standard Level 4, Design

Line 3: Frequency Chart
8A-20

Figure 48LCC Savings for Candidate Standard Level 5, Design Line

3: Frequency Chart

Figure 49LCC Savings for Candidate Standard Level 5, Design Line

3: Cumulative Chart

Figure 50Payback Period for Candidate Standard Level 5, Design

Line 3: Frequency Chart
8A-21

Figure 51LCC Savings for Candidate Standard Level 6, Design Line

3: Frequency Chart

Figure 52LCC Savings for Candidate Standard Level 6, Design Line

3: Cumulative Chart

Figure 53Payback Period for Candidate Standard Level 6, Design

Line 3: Frequency Chart
8A-22

8A.1.4 Design Line 4 Results

Table 8A.1.7 Summary Life-Cycle Cost Results for Design Line 4 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Efficiency (%) 98.90 99.08 99.26 99.45 99.58 99.61

Transformers having LCC Savings $ $0 (%) 96.7 83.2 59.0 68.8 35.6 25.5

Mean LCC Savings ($) 556 629 450 767 56 -572

Table 8A.1.8 Summary of Payback Period Results for Design Line 4 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Mean Payback (Years) 8.5 18.1 21.5 17.0 29.2 34.9

Transformers having Well Defined Payback (%) 63.7 40.8 11.3 9.7 0.8 0.0

Transformers having No Impact on Payback (%) 35.4 58.3 88.4 90.3 99.0 99.9

Transformers having Undefined Payback (%) 1.0 0.9 0.3 0.0 0.3 0.1

Mean Incremental First Cost ($) 484 898 1,543 1,948 3,336 4,195

Mean Operating Cost Savings ($) 93 88 102 136 158 166
8A-23

Figure 54LCC Savings for Candidate Standard Level 1, Design Line

4: Frequency Chart

Figure 55LCC Savings for Candidate Standard Level 1, Design Line

4: Cumulative Chart

Figure 56Payback Period for Candidate Standard Level 1, Design

Line 4: Frequency Chart
8A-24

Figure 57LCC Savings for Candidate Standard Level 2, Design Line

4: Frequency Chart

Figure 58LCC Savings for Candidate Standard Level 2, Design Line

4: Cumulative Chart

Figure 59Payback Period for Candidate Standard Level 2, Design

Line 4: Frequency Chart
8A-25

Figure 60LCC Savings for Candidate Standard Level 3, Design Line

4: Frequency Chart

Figure 61LCC Savings for Candidate Standard Level 3, Design Line

4: Cumulative Chart

Figure 62Payback Period for Candidate Standard Level 3, Design

Line 4: Frequency Chart
8A-26

Figure 63LCC Savings for Candidate Standard Level 4, Design Line

4: Frequency Chart

Figure 64LCC Savings for Candidate Standard Level 4, Design Line

4: Cumulative Chart

Figure 65Payback Period for Candidate Standard Level 4, Design

Line 4: Frequency Chart
8A-27

Figure 66LCC Savings for Candidate Standard Level 5, Design Line

4: Frequency Chart

Figure 67LCC Savings for Candidate Standard Level 5, Design Line

4: Cumulative Chart

Figure 68Payback Period for Candidate Standard Level 5, Design

Line 4: Frequency Chart
8A-28

Figure 69LCC Savings for Candidate Standard Level 6, Design Line

4: Frequency Chart

Figure 70LCC Savings for Candidate Standard Level 6, Design Line

4: Cumulative Chart

Figure 71Payback Period for Candidate Standard Level 6, Design

Line 4: Frequency Chart
8A-29

8A.1.5 Design Line 5 Results

Table 8A.1.9 Summary Life-Cycle Cost Results for Design Line 5 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Efficiency (%) 99.30 99.36 99.42 99.47 99.71 99.71

Transformers having LCC Savings $ $0 (%) 99.7 98.5 89.8 84.1 42.9 42.8

Mean LCC Savings ($) 3,957 5,463 6,504 7,089 4,431 3,902

Table 8A.1.10 Summary of Payback Period Results for Design Line 5 Representative

Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Mean Payback (Years) 3.4 6.1 12.7 14.1 25.6 26.1

Transformers having Well Defined Payback (%) 71.7 62.8 40.0 24.2 0.0 0.1

Transformers having No Impact on Payback (%) 28.3 37.1 59.1 75.0 99.9 99.9

Transformers having Undefined Payback (%) 0.0 0.1 1.0 0.8 0.1 0.1

Mean Incremental First Cost ($) 1,489 2,581 3,066 4,439 19,736 19,728

Mean Operating Cost Savings ($) 638 707 569 574 1,064 1,037
8A-30

Figure 72LCC Savings for Candidate Standard Level 1, Design Line

5: Frequency Chart

Figure 73LCC Savings for Candidate Standard Level 1, Design Line

5: Cumulative Chart

Figure 74Payback Period for Candidate Standard Level 1, Design

Line 5: Frequency Chart
8A-31

Figure 75LCC Savings for Candidate Standard Level 2, Design Line

5: Frequency Chart

Figure 76LCC Savings for Candidate Standard Level 2, Design Line

5: Cumulative Chart

Figure 77Payback Period for Candidate Standard Level 2, Design

Line 5: Frequency Chart
8A-32

Figure 78LCC Savings for Candidate Standard Level 3, Design Line

5: Frequency Chart

Figure 79LCC Savings for Candidate Standard Level 3, Design Line

5: Cumulative Chart

Figure 80Payback Period for Candidate Standard Level 3, Design

Line 5: Frequency Chart
8A-33

Figure 81LCC Savings for Candidate Standard Level 4, Design Line

5: Frequency Chart

Figure 82LCC Savings for Candidate Standard Level 4, Design Line

5: Cumulative Chart

Figure 83Payback Period for Candidate Standard Level 4, Design

Line 5: Frequency Chart
8A-34

Figure 84LCC Savings for Candidate Standard Level 5, Design Line

5: Frequency Chart

Figure 85LCC Savings for Candidate Standard Level 5, Design Line

5: Cumulative Chart

Figure 86Payback Period for Candidate Standard Level 5, Design

Line 5: Frequency Chart
8A-35

Figure 87LCC Savings for Candidate Standard Level 6, Design Line

5: Frequency Chart

Figure 88LCC Savings for Candidate Standard Level 6, Design Line

5: Cumulative Chart

Figure 89Payback Period for Candidate Standard Level 6, Design

Line 5: Frequency Chart
8A-36

8A.2 LCC & PAYBACK RESULTS FOR DRY TYPE TRANSFORMERS, 

DESIGN LINES 6–13

8A.2.1 Design Line 9 Results

Table 8A.2.1 Summary Life-Cycle Cost Results for Design Line 9 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Efficiency (%) 98.60 98.82 99.04 99.26 99.41 99.41

Transformers having LCC Savings $ $0 (%) 99.4 98.9 94.7 74.3 43.7 45.0

Mean LCC Savings ($) 988 1,968 3,103 3,532 1,181 1,274

Table 8A.2.2 Summary of Payback Period Results for Design Line 9 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Mean Payback (Years) 1.5 2.4 5.4 12.4 21.7 21.5

Transformers having Well Defined Payback (%) 57.8 46.3 29.7 0.5 0.0 0.0

Transformers having No Impact on Payback (%) 33.0 53.4 69.6 98.6 99.7 99.7

Transformers having Undefined Payback (%) 9.1 0.3 0.7 0.8 0.3 0.3

Mean Incremental First Cost ($) 169 396 996 2,528 6,528 6,510

Mean Operating Cost Savings ($) 174 263 350 397 503 508
8A-37

Figure 0LCC Savings for Candidate Standard Level 1, Design Line

9: Frequency Chart

Figure 1LCC Savings for Candidate Standard Level 1, Design Line

9: Cumulative Chart

Figure 2Payback Period for Candidate Standard Level 1, Design Line

9: Frequency Chart
8A-38

Figure 3LCC Savings for Candidate Standard Level 2, Design Line

9: Frequency Chart

Figure 4LCC Savings for Candidate Standard Level 2, Design Line

9: Cumulative Chart

Figure 5Payback Period for Candidate Standard Level 2, Design Line

9: Frequency Chart
8A-39

Figure 6LCC Savings for Candidate Standard Level 3, Design Line

9: Frequency Chart

Figure 7LCC Savings for Candidate Standard Level 3, Design Line

9: Cumulative Chart

Figure 8Payback Period for Candidate Standard Level 3, Design Line

9: Frequency Chart
8A-40

Figure 9LCC Savings for Candidate Standard Level 4, Design Line

9: Frequency Chart

Figure 10LCC Savings for Candidate Standard Level 4, Design Line

9: Cumulative Chart

Figure 11Payback Period for Candidate Standard Level 4, Design

Line 9: Frequency Chart
8A-41

Figure 12LCC Savings for Candidate Standard Level 5, Design Line

9: Frequency Chart

Figure 13LCC Savings for Candidate Standard Level 5, Design Line

9: Cumulative Chart

Figure 14Payback Period for Candidate Standard Level 5, Design

Line 9: Frequency Chart
8A-42

Figure 15LCC Savings for Candidate Standard Level 6, Design Line

9: Frequency Chart

Figure 16LCC Savings for Candidate Standard Level 6, Design Line

9: Cumulative Chart

Figure 17Payback Period for Candidate Standard Level 6, Design

Line 9: Frequency Chart
8A-43

8A.2.2 Design Line 10 Results

Table 8A.2.3 Summary Life-Cycle Cost Results for Design Line 10 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Efficiency (%) 99.10 99.22 99.33 99.45 99.51 99.51

Transformers having LCC Savings $ $0 (%) 95.6 94.9 91.1 79.0 33.7 33.8

Mean LCC Savings ($) 4,041 5,227 6,818 7,699 1,279 1,124

Table 8A.2.4 Summary of Payback Period Results for Design Line 10 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Mean Payback (Years) 7.7 8.3 10.0 13.4 28.7 29.4

Transformers having Well Defined Payback (%) 63.3 56.9 44.4 23.2 0.0 0.0

Transformers having No Impact on Payback (%) 35.9 41.8 55.3 75.7 99.7 99.7

Transformers having Undefined Payback (%) 0.8 1.2 0.3 1.1 0.3 0.3

Mean Incremental First Cost ($) 4,085 5,161 6,858 8,382 18,989 19,021

Mean Operating Cost Savings ($) 1,000 1,141 1,236 1,199 1,316 1,315
8A-44

Figure 18LCC Savings for Candidate Standard Level 1, Design Line

10: Frequency Chart

Figure 19LCC Savings for Candidate Standard Level 1, Design Line

10: Cumulative Chart

Figure 20Payback Period for Candidate Standard Level 1, Design

Line 10: Frequency Chart
8A-45

Figure 21LCC Savings for Candidate Standard Level 2, Design Line

10: Frequency Chart

Figure 22LCC Savings for Candidate Standard Level 2, Design Line

10: Cumulative Chart

Figure 23Payback Period for Candidate Standard Level 2, Design

Line 10: Frequency Chart
8A-46

Figure 24LCC Savings for Candidate Standard Level 3, Design Line

10: Frequency Chart

Figure 25LCC Savings for Candidate Standard Level 3, Design Line

10: Cumulative Chart

Figure 26Payback Period for Candidate Standard Level 3, Design

Line 10: Frequency Chart
8A-47

Figure 27LCC Savings for Candidate Standard Level 4, Design Line

10: Frequency Chart

Figure 28LCC Savings for Candidate Standard Level 4, Design Line

10: Cumulative Chart

Figure 29Payback Period for Candidate Standard Level 4, Design

Line 10: Frequency Chart
8A-48

Figure 30LCC Savings for Candidate Standard Level 5, Design Line

10: Frequency Chart

Figure 31LCC Savings for Candidate Standard Level 5, Design Line

10: Cumulative Chart

Figure 32Payback Period for Candidate Standard Level 5, Design

Line 10: Frequency Chart
8A-49

Figure 33LCC Savings for Candidate Standard Level 6, Design Line

10: Frequency Chart

Figure 34LCC Savings for Candidate Standard Level 6, Design Line

10: Cumulative Chart

Figure 35Payback Period for Candidate Standard Level 6, Design

Line 10: Frequency Chart
8A-50

8A.2.3 Design Line 11 Results

Table 8A.2.5 Summary Life-Cycle Cost Results for Design Line 11 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Efficiency (%) 98.50 98.67 98.84 99.01 99.09 99.09

Transformers having LCC Savings $ $0 (%) 97.6 96.1 90.2 78.0 65.8 66.8

Mean LCC Savings ($) 2,491 3,621 4,313 4,845 4,186 4,289

Table 8A.2.6 Summary of Payback Period Results for Design Line 11 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Mean Payback (Years) 3.8 4.9 7.9 11.8 15.1 14.8

Transformers having Well Defined Payback (%) 42.5 34.6 18.7 2.3 0.0 0.0

Transformers having No Impact on Payback (%) 57.2 64.5 80.1 96.3 99.6 99.6

Transformers having Undefined Payback (%) 0.4 0.8 1.1 1.4 0.4 0.4

Mean Incremental First Cost ($) 733 1,263 1,991 3,058 4,399 4,412

Mean Operating Cost Savings ($) 332 445 484 525 556 567
8A-51

Figure 36LCC Savings for Candidate Standard Level 1, Design Line

11: Frequency Chart

Figure 37LCC Savings for Candidate Standard Level 1, Design Line

11: Cumulative Chart

Figure 38Payback Period for Candidate Standard Level 1, Design

Line 11: Frequency Chart
8A-52

Figure 39LCC Savings for Candidate Standard Level 2, Design Line

11: Frequency Chart

Figure 40LCC Savings for Candidate Standard Level 2, Design Line

11: Cumulative Chart

Figure 41Payback Period for Candidate Standard Level 2, Design

Line 11: Frequency Chart
8A-53

Figure 42LCC Savings for Candidate Standard Level 3, Design Line

11: Frequency Chart

Figure 43LCC Savings for Candidate Standard Level 3, Design Line

11: Cumulative Chart

Figure 44Payback Period for Candidate Standard Level 3, Design

Line 11: Frequency Chart
8A-54

Figure 45LCC Savings for Candidate Standard Level 4, Design Line

11: Frequency Chart

Figure 46LCC Savings for Candidate Standard Level 4, Design Line

11: Cumulative Chart

Figure 47Payback Period for Candidate Standard Level 4, Design

Line 11: Frequency Chart
8A-55

Figure 48LCC Savings for Candidate Standard Level 5, Design Line

11: Frequency Chart

Figure 49LCC Savings for Candidate Standard Level 5, Design Line

11: Cumulative Chart

Figure 50Payback Period for Candidate Standard Level 5, Design

Line 11: Frequency Chart
8A-56

Figure 51LCC Savings for Candidate Standard Level 6, Design Line

11: Frequency Chart

Figure 52LCC Savings for Candidate Standard Level 6, Design Line

11: Cumulative Chart

Figure 53Payback Period for Candidate Standard Level 6, Design

Line 11: Frequency Chart
8A-57

8A.2.4 Design Line 12 Results

Table 8A.2.7 Summary Life-Cycle Cost Results for Design Line 12 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Efficiency (%) 99.00 99.12 99.23 99.35 99.40 99.40

Transformers having LCC Savings $ $0 (%) 98.6 98.5 94.2 81.8 29.4 29.9

Mean LCC Savings ($) 2,600 3,973 5,485 6,812 -650 -655

Table 8A.2.8 Summary of Payback Period Results for Design Line 12 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Mean Payback (Years) 4.6 4.7 8.3 12.7 29.3 29.3

Transformers having Well Defined Payback (%) 75.1 71.9 56.9 28.2 0.0 0.0

Transformers having No Impact on Payback (%) 24.7 27.9 42.3 69.9 99.7 99.9

Transformers having Undefined Payback (%) 0.2 0.2 0.8 1.8 0.3 0.2

Mean Incremental First Cost ($) 2,125 3,204 4,500 6,356 20,409 20,440

Mean Operating Cost Savings ($) 827 1,127 1,129 1,051 1,290 1,286
8A-58

Figure 54LCC Savings for Candidate Standard Level 1, Design Line

12: Frequency Chart

Figure 55LCC Savings for Candidate Standard Level 1, Design Line

12: Cumulative Chart

Figure 56Payback Period for Candidate Standard Level 1, Design

Line 12: Frequency Chart
8A-59

Figure 57LCC Savings for Candidate Standard Level 2, Design Line

12: Frequency Chart

Figure 58LCC Savings for Candidate Standard Level 2, Design Line

12: Cumulative Chart

Figure 59Payback Period for Candidate Standard Level 2, Design

Line 12: Frequency Chart
8A-60

Figure 60LCC Savings for Candidate Standard Level 3, Design Line

12: Frequency Chart

Figure 61LCC Savings for Candidate Standard Level 3, Design Line

12: Cumulative Chart

Figure 62Payback Period for Candidate Standard Level 3, Design

Line 12: Frequency Chart
8A-61

Figure 63LCC Savings for Candidate Standard Level 4, Design Line

12: Frequency Chart

Figure 64LCC Savings for Candidate Standard Level 4, Design Line

12: Cumulative Chart

Figure 65Payback Period for Candidate Standard Level 4, Design

Line 12: Frequency Chart
8A-62

Figure 66LCC Savings for Candidate Standard Level 5, Design Line

12: Frequency Chart

Figure 67LCC Savings for Candidate Standard Level 5, Design Line

12: Cumulative Chart

Figure 68Payback Period for Candidate Standard Level 5, Design

Line 12: Frequency Chart
8A-63

Figure 69LCC Savings for Candidate Standard Level 6, Design Line

12: Frequency Chart

Figure 70LCC Savings for Candidate Standard Level 6, Design Line

12: Cumulative Chart

Figure 71Payback Period for Candidate Standard Level 6, Design

Line 12: Frequency Chart
8A-64

8A.2.5 Design Line 13 Results

Table 8A.2.9 Summary Life-Cycle Cost Results for Design Line 13 Representative Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Efficiency (%) 99.00 99.15 99.30 99.45 99.55 99.55

Transformers having LCC Savings $ $0 (%) 96.2 98.5 95.6 57.4 24.2 24.3

Mean LCC Savings ($) 662 3,125 5,430 6,435 -5,303 -5,218

Table 8A.2.10 Summary of Payback Period Results for Design Line 13 Representative

Unit

Candidate Standard Level

1 (TP1) 2 3 4 5 6

Mean Payback (Years) 9.7 5.8 8.0 19.5 32.5 32.4

Transformers having Well Defined Payback (%) 76.0 72.9 58.9 5.4 0.0 0.0

Transformers having No Impact on Payback (%) 23.6 27.0 40.2 93.6 99.8 99.8

Transformers having Undefined Payback (%) 0.4 0.1 1.0 1.1 0.2 0.2

Mean Incremental First Cost ($) 1,230 3,614 5,668 10087 29292 29,128

Mean Operating Cost Savings ($) 265 987 1,240 1,107 1562 1,556
8A-65

Figure 72LCC Savings for Candidate Standard Level 1, Design Line

13: Frequency Chart

Figure 73LCC Savings for Candidate Standard Level 1, Design Line

13: Cumulative Chart

Figure 74Payback Period for Candidate Standard Level 1, Design

Line 13: Frequency Chart
8A-66

Figure 75LCC Savings for Candidate Standard Level 2, Design Line

13: Frequency Chart

Figure 76LCC Savings for Candidate Standard Level 2, Design Line

13: Cumulative Chart

Figure 77Payback Period for Candidate Standard Level 2, Design

Line 13: Frequency Chart
8A-67

Figure 78LCC Savings for Candidate Standard Level 3, Design Line

13: Frequency Chart

Figure 79LCC Savings for Candidate Standard Level 3, Design Line

13: Cumulative Chart

Figure 80Payback Period for Candidate Standard Level 3, Design

Line 13: Frequency Chart
8A-68

Figure 81LCC Savings for Candidate Standard Level 4, Design Line

13: Frequency Chart

Figure 82LCC Savings for Candidate Standard Level 4, Design Line

13: Cumulative Chart

Figure 83Payback Period for Candidate Standard Level 4, Design

Line 13: Frequency Chart
8A-69

Figure 84LCC Savings for Candidate Standard Level 5, Design Line

13: Frequency Chart

Figure 85LCC Savings for Candidate Standard Level 5, Design Line

13: Cumulative Chart

Figure 86Payback Period for Candidate Standard Level 5, Design

Line 13: Frequency Chart
8A-70

Figure 87LCC Savings for Candidate Standard Level 6, Design Line

13: Frequency Chart

Figure 88LCC Savings for Candidate Standard Level 6, Design Line

13: Cumulative Chart

Figure 89Payback Period for Candidate Standard Level 6, Design

Line 13: Frequency Chart