Collector Area (m²): 75.96

Pay-back Time (yrs):8

Initial Cost of Investment: 1,183,184.54

Year

Fuel Savings

Extra Mortgage Payment

Extra Insurance, Maintenance, Energy

Extra Property Tax

Income Tax Savings

Solar Savings

Present Worth of Solar Saving

0

−118,318.45

−118,318.45

1

205,427.8

−160,779.87

−118,318.45

0

0

−73,670.53

−68,213.45

2

317,134.1

−160,779.87

−137,841

0

0

18,513.23

15,872.11

3

380,560.92

−160,779.87

−160,584.76

0

0

59,196.29

46,991.92

4

456,673.11

−160,779.87

−187,081.25

0

0

108,811.99

79,980.06

5

548,007.73

−160,779.87

−217,949.66

0

0

169,278.2

115,207.9

6

657,609.28

−160,779.87

−253,911.35

0

0

242,918.06

153,079.58

7

789,131.13

−160,779.87

−295,806.72

0

0

332,544.54

194,036.54

8

946,957.36

−160,779.87

−344,614.83

0

0

441,562.66

238,562.56

9

1,136,348.83

−160,779.87

−401,476.28

0

0

574,092.68

287,189.27

10

1,363,618.9

−160,779.87

−467,719.86

0

0

735,118.86

340,502.27

11

1,636,342.32

−160,779.87

−544,893.64

0

0

930,668.8

399,147.9

12

1,963,610.78

−160,779.87

−634,801.09

0

0

1,168,029.81

463,840.71

13

2,356,332.94

−160,779.87

−739,543.27

0

0

1,456,009.79

535,371.78

14

2,827,599.52

−160,779.87

−861,567.91

0

0

1,805,251.74

614,617.89

3,393,119.43

−160,779.87

−1,003,726.6

0

0

2,228,612.94

702,551.74

16

4,071,743.31

−160,779.87

−1,169,341.5

0

0

2,741,621.93

800,253.31

17

4,886,091.98

−160,779.87

−1,362,282.9

0

0

3,363,029.24

908,922.39

18

5,863,310.37

−160,779.87

−1,587,059.5

0

0

4,115,470.97

1,029,892.61

19

7,035,972.44

−160,779.87

−1,848,924.4

0

0

5,026,268.22

1,164,646.98

20

8,443,166.93

−160,779.87

−2,153,996.9

0

0

6,128,390.19

1,314,835.13

Salvage Value

236,636.91

50,770.02

Total Present Worth of Savings = 9,269,740.77