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 |