## APPENDIX 8F. LIFE-CYCLE COST AND PAYBACK PERIOD RESULTS HIGH EQUIPMENT PRICE SENSITIVITY

TABLE OF CONTENTS
8F.1 LIFE-CYCLE COST & PAYBACK RESULTS FOR LIQUID-IMMERSED TRANSFORMERS; HIGH EQUI PMENT PRICE SENSITIVITY, DESIGN LINES 1–5

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

........................................... 8F-1 8F.1.2 Design Line 2 Results

...........................................8F-1 8F.1.3 Design Line 3 Results

...........................................8F-2 8F.1.4 Design Line 4 Results

...........................................8F-3 8F.1.5 Design Line 5 Results

...........................................8F-3 8F.2 LIFE-CYCLECOST & PAYBACK RESULTS FOR DRY-TYPE TRANSFORMERS; HIGH EQUIPMENT PRICE SENSITIVITY, DESIGN LINES 9 - 13

...........8F-4 8F.2.1 Design Line 9 Results

...........................................8F-4 8F.2.2 Design Line 10 Results

..........................................8F-4 8F.2.3 Design Line 11 Results

..........................................8F-5 8F.2.4 Design Line 12 Results

..........................................8F-5 8F.2.5 Design Line 13 Results

..........................................8F-6

LIST OF TABLES

Table 8F.1.1 Summary Life-cycle Cost Results for Design Line 1 Representative Unit

............................................................. 8F-1 Table 8F.1.2 Summary Payback Period Results Design Line 1 Representative Unit

......8F-1 Table 8F.1.3 Summary Life-cycle Cost Results for Design Line 2 Representative Unit

.............................................................8F-1 Table 8F.1.4 Summary Payback Period Results Design Line 2 Representative Unit

......8F-2 Table 8F.1.5 Summary Life-cycle Cost Results for Design Line 3 Representative Unit

.............................................................8F-2 Table 8F.1.6 Summary Payback Period Results Design Line 3 Representative Unit

......8F-2 Table 8F.1.7 Summary Life-cycle Cost Results for Design Line 4 Representative Unit

.............................................................8F-3 Table 8F.1.8 Summary Payback Period Results Design Line 4 Representative Unit

......8F-3 Table 8F.1.9 Summary Life-cycle Cost Results for Design Line 5 Representative Unit

.............................................................8F-3 Table 8F.1.10 Summary Payback Period Results Design Line 5 Representative Unit

.............................................................8F-3 Table 8F.2.1 Summary Life-cycle Cost Results for Design Line 9 Representative Unit

.............................................................8F-4 Table 8F.2.2 Summary Payback Period Results Design Line 9 Representative Unit

......8F-4

8F-i

## Table 8F.2.3 Summary Life-cycle Cost Results for Design Line 10 Representative Unit

............................................................. 8F-4 Table 8F.2.4 Summary Payback Period Results Design Line 10 Representative Unit

.....8F-5 Table 8F.2.5 Summary Life-cycle Cost Results for Design Line 11 Representative Unit

.............................................................8F-5 Table 8F.2.6 Summary Payback Period Results Design Line 11 Representative Unit

.....8F-5 Table 8F.2.7 Summary Life-cycle Cost Results for Design Line 12 Representative Unit

.............................................................8F-5 Table 8F.2.8 Summary Payback Period Results Design Line 12 Representative Unit

.....8F-6 Table 8F.2.9 Summary Life-cycle Cost Results for Design Line 13 Representative Unit

.............................................................8F-6 Table 8F.2.10 Summary Payback Period Results Design Line 13 Representative Unit

.............................................................8F-6

8F-ii

## APPENDIX 8F. LIFE-CYCLE COST AND PAYBACK PERIOD RESULT HIGH EQUIPMENT PRICE SENSITIVITY

8F.1 LIFE-CYCLECOST & PAYBACK RESULTS FOR LIQUID-IMMERSED TRANSFORMERS; HIGH EQUIPMENT PRICE SENSITIVITY, DESIGN LINES 1–5
8F.1.1 Design Line 1 Results

Table 8F.1.1 Summary Life-cycle Cost Results for Design Line 1 Representative Unit Trial Standard Level 1 (TP 1) Efficiency (%) 98.90 Transformers with Net LCC Cost (%) 17.0 Transformers with No Change in LCC (%) 46.8 Transformers with Net LCC Benefit (%) 36.2 Mean LCC Savings ($) 68 Mean LCC Savings for those effected 128 2 98.90 17.0 46.8 36.2 68 128 3 98.90 17.0 46.8 36.2 68 128 4 99.04 45.3 29.7 25.0 -35 -49 5 99.19 56.4 1.7 41.9 -60 -61 6 99.59 98.6 0.0 1.4 -1463 -1463 A 99.19 56.4 1.7 41.9 -60 -61 B 99.08 53.8 21.2 25.1 -63 -80 C 99.08 53.8 21.2 25.1 -63 -80 D 99.04 45.3 29.7 25.0 -35 -49



## Table 8F.1.2 Summary Payback Period Results Design Line 1 Representative Unit Trial Standard Level 1 (TP 1) Mean Payback (Years) 17.2 Transformers Unaffected by the TSL (%) 46.8 Transformers having Well Defined 51.1 Payback (%) Transformers having Undefined Payback 2.1 (%) Mean Incre mental First Cost ($) 229 Mean Opera ting Cost Savings ($) 21 Payback of Avera ge Transformer 10.89



## 8F.1.2 Design Line 2 Results 2 17.2 46.8 51.1

2.1

229 21 10.89 3 17.2 46.8 51.1

2.1

229 21 10.89 4 29.6 29.7 68.7

1.6

504 26 19.37 5 26.6 1.7 97.8

0.6

708 37 19.14 6 50.7 0.0 99.8

0.2

2575

60 42.92 A B C D 26.6 32.6 32.6 29.6 1.66 21.16 21.16 29.71 97.78 75.22 75.22 68.67

0.56 3.62 3.62 1.62

708 519 519 504 37 25 25 26 19.14 20.76 20.76 19.37



## Table 8F.1.3 Summary Life-cycle Cost Results for Design Line 2 Representative Unit Trial Standard Level 1 (TP 1) Efficiency (%) 98.70 Transformers with Net LCC Cost (%) 48.2 Transformers with No Change in LCC (%) 17.0 Transformers with Net LCC Benefit (%) 34.8 Mean LCC Savings ($) -3 Mean LCC Savings for those effected -4 2 98.73 54.4 12.3 33.4 -18 -21 3 98.76 48.3 9.2 42.5

-9 -10 4 98.79 38.3 8.9 52.8 16 17 5 98.96 61.5 0.3 38.3 -21 -21 6 99.46 99.8 0.0 0.3 -1402 -1402 A 99.04 88.5 0.1 11.4 -233 -233 B 98.91 41.6 1.8 56.6 47 48 C 98.91 41.6 1.8 56.6 47 48 D 98.79 38.3 8.9 52.8 16 17

8F-1

## Table 8F.1.4 Summary Payback Period Results Design Line 2 Representative Unit Trial Standard Level 1 (TP 1) Mean Payback (Years) 26.5 Transformers Unaffected by the TSL (%) 17.0 Transformers having Well Defined 79.8 Payback (%) Transformers having Undefined Payback 3.2 (%) Mean Incre mental First Cost ($) 178 Mean Opera ting Cost Savings ($) 10 Payback of Avera ge Transformer 17.83



## 8F.1.3 Design Line 3 Results 2 27.0 12.3 86.0

1.7

215 11 19.52 3 24.6 9.2 89.3

1.5

232 13 17.81 4 22.1 8.9 89.2

1.9

215 13 16.56 5 22.7 0.3 96.2

3.5

337 18 18.75 6 63.9 0.0 100.0

0.0

2099

36 58.30 A 33.7 0.09 99.51

0.4

612 21 29.14 B 18.7 1.84 91.33

6.83

227 16 14.17 C 18.7 1.84 91.33

6.83

227 16 14.17 D 22.1 8.87 89.21

1.92

215 13 16.56



## Table 8F.1.5 Summary Life-cycle Cost Results for Design Line 3 Representative Unit Trial Standard Level 1 (TP 1) Efficiency (%) 99.30 Transformers with Net LCC Cost (%) 6.8 Transformers with No Change in LCC (%) 54.9 Transformers with Net LCC Benefit (%) 38.3 Mean LCC Savings ($) 1093 Mean LCC Savings for those effected 2426 2 99.38 16.4 24.5 59.0 1372 1818 3 99.46 17.7 23.6 58.8 1440 1884 4 99.54 65.2 0.4 34.4 69 70 5 99.74 88.7 0.0 11.3 -4060 -4060 6 99.75 91.9 0.0 8.1 -5645 -5645 A 99.54 65.2 0.4 34.4 69 70 B 99.47 17.7 23.5 58.8 1456 1903 C 99.42 13.4 24.2 62.4 1494 1971 D 99.38 16.4 24.5 59.0 1372 1818

D 12.3 24.54 74.59

0.87

1778 213 8.35 

## Table 8F.1.6 Summary Payback Period Results Design Line 3 Representative Unit
1 (TP 1)

9.1 54.9 41.1

4.0

929 200 4.65 Trial Standard Level 2 12.3 24.5 74.6

0.9

1778 213 8.35 3 12.8 23.6 76.4

0.0

2861 280 10.22 4 26.3 0.4 99.4

0.2

4667 275 16.97 5 32.5 0.0 100.0

0.0

12208 462 26.42 6 36.7 0.0 100.0

0.0

14051 473 29.71 A B C 26.3 12.8 11.4 0.42 23.47 24.16 99.41 76.39 75.57

0.17 0.14 0.27

4667 2852 2097 275 280 241 16.97 10.19 8.70 Mean Payback (Years) Transformers Unaf fected by the TSL (%) Transformers having Well Defined Payback (%) Transformers having Undefined Payback (%) Mean Incre mental First Cost ($) Mean Operating Cost Savings ($) Payback of Average Transformer

8F-2

## 8F.1.4 Design Line 4 Results

Table 8F.1.7 Summary Life-cycle Cost Results for Design Line 4 Representative Unit Trial Standard Level 1 (TP 1) Efficiency (%) 98.90 Transformers with Net LCC Cost (%) 23.7 Transformers with No Change in LCC (%) 36.8 Transformers with Net LCC Benefit (%) 39.5 Mean LCC Savings ($) 259 Mean LCC Savings for those effected 410 2 99.08 27.5 14.8 57.8 431 505 3 99.26 11.1 14.7 74.2 897 1052 4 99.26 11.1 14.7 74.2 897 1052 5 99.58 87.7 0.0 12.3 -1692 -1692 6 99.61 93.4 0.0 6.6 -2735 -2735 A 99.19 11.4 14.7 73.9 892 1047 B 99.08 27.5 14.8 57.8 431 505 C 99.08 27.5 14.8 57.8 431 505



## Table 8F.1.8 Summary Payback Period Results Design Line 4 Representative Unit Trial Standard Level 1 (TP 1) Mean Payback (Years) 19.1 Transformers Unaffected by the TSL (%) 36.8 Transformers having Well Defined 60.8 Payback (%) Transformers having Undefined Payback 2.4 (%) Mean Incre mental First Cost ($) 905 Mean Opera ting Cost Savings ($) 76 Payback of Avera ge Transformer 11.91



## 8F.1.5 Design Line 5 Results 2 16.1 14.8 85.0

0.3

1566 119 13.16 3 11.5 14.7 85.2

0.1

1700 159 10.69 4 11.5 14.7 85.2

0.1

1700 159 10.69 5 35.0 0.0 99.8

0.2

5322 203 26.22 6 40.2 0.0 100.0

0.0

6542 210 31.15 A B C 11.6 16.1 16.1 14.74 14.75 14.75 85.19 84.99 84.99

0.07 0.26 0.26

1701 1566 1566 159 119 119 10.70 13.16 13.16 D 99.08 27.5 14.8 57.8 431 505

D 16.1 14.75 84.99

0.26

1566 119 13.16



## Table 8F.1.9 Summary Life-cycle Cost Results for Design Line 5 Representative Unit Trial Standard Level 1 (TP 1) Efficiency (%) 99.30 Transformers with Net LCC Cost (%) 15.6 Transformers with No Change in LCC (%) 54.8 Transformers with Net LCC Benefit (%) 29.6 Mean LCC Savings ($) 1426 Mean LCC Savings for those effected 3154 2 99.36 15.9 43.5 40.7 2006 3549 3 99.42 19.9 32.2 47.9 2408 3552 4 99.47 41.3 16.5 42.2 1831 2194 5 99.71 91.4 0.0 8.6 -12403 -12403 6 99.71 91.4 0.0 8.6 -12403 -12403 A 99.54 49.3 4.2 46.5 1545 1612 B 99.47 41.3 16.5 42.2 1831 2194 C 99.42 19.9 32.2 47.9 2408 3552 D 99.42 19.9 32.2 47.9 2408 3552



## Table 8F.1.10

Mean Payback (Years) Transformers Unaffected by the TSL (%) Transformers having Well Defined Payback (%) Transformers having Undefined Payback (%) Mean Incre mental First Cost ($) Mean Operating Cost Savings ($) Payback of Average Transformer 

## Summary Payback Period Results Design Line 5 Representative Unit
1 (TP 1)

16.2 54.8 41.5

3.8

3353 425 7.89 Trial Standard Level 2 13.5 43.5 54.9

1.6

5029 558 9.01 3 13.3 32.2 67.5

0.3

6271 638 9.83 4 19.6 16.5 81.9

1.5

7471 624 11.97 5 34.1 0.0 100.0

0.0

31559 1181 26.72 6 34.1 0.0 100.0

0.0

31559 1181 26.72 A 16.3 4.17 95.66

0.17

11620

852 13.64 B 19.6 16.52 81.94

1.54

7471 624 11.97 C 13.3 32.22 67.52

0.26

6271 638 9.83 D 13.3 32.22 67.52

0.26

6271 638 9.83

8F-3

## 8F.2 LIFE-CYCLECOST&PAYBACKRESULTSFOR DRY-TYPE TRANSFORMERS; HIGH EQUIPMENT PRICE SENSITIVITY, DESIGN LINES 9 - 13
8F.2.1 Design Line 9 Results

Table 8F.2.1

Efficiency (%) Transformers with Net LCC Cost (%) Transformers with No Change in LCC (%) Transformers with Net LCC Benefit (%) Mean LCC Savings ($) Mean LCC Savings for those effected 

## Summary Life-cycle Cost Results for Design Line 9 Representative Unit
1 (TP 1)

98.60

0.7 55.0 44.4 979 2175 Trial Standard Level 2 98.82

4.2 33.2 62.6 1834 2744 3 99.04 32.1 1.3 66.7 2498 2530 4 99.26 52.2 0.0 47.8 1225 1225 5 99.41 80.7 0.0 19.3 -4111 -4111 6 99.41 80.7 0.0 19.3 -4111 -4111



## Table 8F.2.2 Summary Payback Period Results Design Line 9 Representative Unit
1 (TP 1) 1.4 55.0 26.2 18.8 112 166 0.67 Trial Standard Level 2 4.1 33.2 66.0 0.8 492 232 2.12 3 14.3 1.3 97.1 1.7 2277 346 6.58 4 18.1 0.0 99.7 0.3 6005 515 11.66 5 29.2 0.0 99.7 0.3 13257 651 20.36 6 29.2 0.0 99.7 0.3 13257 651 20.36 Mean Payback (Years) Transfor mers Unaffected by the TSL (%) Transformers having Well Defined Payback (%) Transformers having Undefined Payback (%) Mean Incremental First Cost ($) Mean Operating Cost Savings ($) Payback of Average Transformer



## 8F.2.2 Design Line 10 Results

Table 8F.2.3 Summary Life-cycle Cost Results for Design Line 10 Representative Unit
1 (TP 1)

99.10 23.8 29.2 47.0 4363 6165 Trial Standard Level 2 99.20 61.3 1.7 37.0 830 844 3 99.30 54.5 0.9 44.6 2336 2357 4 99.39 62.7 0.1 37.2 38 38 5 99.51 87.1 0.0 13.0 -20670 -20670 6 99.51 87.1 0.0 13.0 -20670 -20670 Efficiency (%) Transfor mers with Net LCC Cost (%) Transformers with No Change in LCC (%) Transformers with Net LCC Benefit (%) Mean LCC Savings ($) Mean LCC Savings for those effected

8F-4

## Table 8F.2.4 Summary Payback Period Results Design Line 10 Representative Unit Trial Standard Level 1 (TP 1)

14.7 29.2 68.8 2.0 4616 779 5.93 2 23.8 1.7 96.8 1.5 11838 914 12.95 3 19.6 0.9 98.6 0.5 16233 1325 12.25 4 21.1 0.1 99.7 0.2 23191 1653 14.03 5 32.6 0.0 99.8 0.2 51493 2194 23.47 6 32.6 0.0 99.8 0.2 51493 2194 23.47 Mean Payback (Years) Transfor mers Unaffected by the TSL (%) Transformers having Well Defined Payback (%) Transformers having Undefined Payback (%) Mean Incremental First Cost ($) Mean Operating Cost Savings ($) Payback of Average Transformer


## 8F.2.3 Design Line 11 Results

Table 8F.2.5 Summary Life-cycle Cost Results for Design Line 11 Representative Unit
1 (TP 1)

98.50 14.0 10.8 75.3 2985 3345 Trial Standard Level 2 98.67 12.5 9.5 78.1 4146 4581 3 98.84 18.7 4.4 76.8 4732 4952 4 99.01 33.7 0.1 66.2 4276 4280 5 99.09 49.7 0.0 50.3 2221 2221 6 99.09 49.7 0.0 50.3 2221 2221 Efficiency (%) Transformers w ith Net LCC Cost (%) Transformers with No Change in LCC (%) Transformers with Net LCC Benefit (%) Mean LCC Savings ($) Mean LCC Savings for those effected



## Table 8F.2.6 Summary Payback Period Results Design Line 11 Representative Unit
1 (TP 1)

8.9 10.8 87.1 2.1 2065 391 5.28 Trial Standard Level 2 8.5 9.5 90.2 0.3 2918 534 5.47 3 10.2 4.4 95.1 0.5 4070 643 6.33 4 14.0 0.1 99.5 0.5 6506 768 8.47 5 18.3 0.0 99.6 0.4 9368 825 11.36 6 18.3 0.0 99.6 0.4 9368 825 11.36 Mean Payback (Years) Transformers Unaf fected by the TSL (%) Transformers having Well Defined Payback (%) Transformers having Undefined Payback (%) Mean Incremental First Cost ($) Mean Operating Cost Savings ($) Payback of Average Transformer


## 8F.2.4 Design Line 12 Results

Table 8F.2.7 Summary Life-cycle Cost Results for Design Line 12 Representative Unit
1 (TP 1)

99.00

9.8 54.0 36.2 2853 6196 Trial Standard Level 2 99.12 39.2 13.9 46.9 2764 3212 3 99.23 32.1 11.1 56.8 5434 6114 4 99.35 42.7 3.1 54.2 5404 5574 5 99.51 83.2 0.0 16.8 -16292 -16292 6 99.51 83.2 0.0 16.8 -16292 -16292 Efficiency (%) Transformers w ith Net LCC Cost (%) Transformers with No Change in LCC (%) Transformers with Net LCC Benefit (%) Mean LCC Savings ($) Mean LCC Savings for those effected

8F-5

## Table 8F.2.8 Summary Payback Period Results Design Line 12 Representative Unit Trial Standard Level 1 (TP 1)

10.8 54.0 45.6 0.5 2796 642 4.36 2 19.5 13.9 84.2 1.8 8778 869 10.10 3 14.9 11.1 88.4 0.5 11633 1266 9.19 4 17.1 3.1 96.4 0.5 16561 1578 10.49 5 31.2 0.0 99.7 0.3 47545 2225 21.37 6 31.2 0.0 99.7 0.3 47545 2225 21.37 Mean Payback (Years) Transformers Unaf fected by the TSL (%) Transformers having Well Defined Payback (%) Transformers having Undefined Payback (%) Mean Incremental First Cost ($) Mean Operating Cost Savings ($) Payback of Average Transformer



## 8F.2.5 Design Line 13 Results

Table 8F.2.9 Summary Life-cycle Cost Results for Design Line 13 Representative Unit
1 (TP 1)

99.00

7.3 66.2 26.5 928 2743 Trial Standard Level 2 99.15 35.9 17.8 46.4 3246 3948 3 99.30 33.3 10.8 55.9 5654 6336 4 99.45 60.6 0.0 39.4 414 414 5 99.55 88.3 0.0 11.7 -28036 -28036 6 99.55 88.3 0.0 11.7 -28036 -28036 Efficiency (%) Transformers w ith Net LCC Cost (%) Transformers with No Change in LCC (%) Transformers with Net LCC Benefit (%) Mean LCC Savings ($) Mean LCC Savings for those effected



## Table 8F.2.10 Summary Payback Period Results Design Line 13 Representative Unit Trial Standard Level 1 (TP 1) Mean Payback (Years) 10.6 Transformers Unaffected by the TSL (%) 66.2 Transformers having Well Defined Payback (%) 32.8 Transformers having Undefined Payback (%) 1.0 Mean Incremental First Cost ($) 1492 Mean Operating Cost Savings ($) 307 Payback of Average Transformer 4.86 2 17.5 17.8 80.7 1.5 6522 749 8.71 3 15.6 10.8 88.9 0.4 14629 1492 9.81 4 21.2 0.0 99.8 0.2 29315 2110 13.89 5 34.1 0.0 99.8 0.2 66475 2732 24.33 6 34.1 0.0 99.8 0.2 66475 2732 24.33

8F-6