Collector Area (m2): 85.46

Pay-back Time (yrs):8

Initial Cost of Investment: 1,325,615.30

Year

Fuel Savings

Extra Mortgage Payment

Extra Insurance, Maintenance, Energy

Extra Property Tax

Income Tax Savings

Solar Savings

Present Worth of Solar Saving

0

−132,561.53

−132,561.53

1

154,287.98

−180,134.42

−132,561.53

0

0

−158,407.97

−146,674.05

2

378,501.89

−180,134.42

−154,434.18

0

0

43,933.29

37,665.71

3

454,202.27

−180,134.42

−179,915.82

0

0

94,152.03

74,740.91

4

545,042.72

−180,134.42

−209,601.93

0

0

155,306.37

114,154.82

5

654,051.27

−180,134.42

−244,186.25

0

0

229,730.59

156,350.78

6

784,861.52

−180,134.42

−284,476.98

0

0

320,250.12

201,811.9

7

941,833.82

−180,134.42

−331,415.69

0

0

430,283.72

251,066.42

8

1,130,200'59

−180,134.42

−386,099.27

0

0

563,966.89

304,693.76

9

1,356,240.7

−180,134.42

−449,805.65

0

0

726,300.63

363,331.14

10

1,627,488.8

−180,134.42

−524,023.59

0

0

923,330.84

427,680.83

11

1,952,986.6

−180,134.42

−610,487.48

0

0

1,162,364.71

498,518.3

12

2,343,583.9

−180,134.42

−711,217.91

0

0

1,452,231.6

576,701.15

13

2,812,300.7

−180,134.42

−828,568.87

0

0

1,803,597.43

663,179.03

14

3,374,760.9

−180,134.42

−965,282.73

0

0

2,229,343.71

759,004.68

15

4,049,713

−180,134.42

−1,124,554.38

0

0

2,745,024.24

865,346.12

16

4,859,655.7

−180,134.42

1,310,105.86

0

0

3,369,415.37

983,500.23

17

5,831,586.8

−180,134.42

−15,261,273.32

0

0

4,125,179.03

1,114,907.81

18

6,997,904.1

−180,134.42

−1,778,108.42

0

0

5,039,661.29

1,261,170.35

19

8,397,485

−180,134.42

−2,071,496.31

0

0

6,145,854.23

1,424,068.57

20

10,076,982

−180,134.42

−2,413,293.2

0

0

7,483,554.33

1,605,583.17

Salvage Value

265,123.06

56,881.68

Total Present Worth of Savings = 11,461,121.7