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ROI Calculator

Below is a sample project economics estimator. A customer with a .14-cent kWh rate, a state incentive of $100,000, and a 6 m/s wind speed will realize around a 5-year payback. After that, the customer will start generating free electricity for years to come.

For simplification purposes, additional revenue from advertising and RECs were not included. Installation costs were estimated and may vary. Extended service plans were not included.

 

Model Single
WindCube Price 289,000
Installation Est. 75,000
Initial Investment 364,000
State Incentive 100,000
Net Investment 264,000
Wind Speed (m/s) 6
Estimated kWh 116,218
Electric Rate (¢ / kWh) 0.14
Est. Inflation Rate (%) 5%
Federal Tax Credit 30%
Tax Basis 209,400
IRR (year 1 - 30) 18.6%
Estimate only. See your finance department.
YEAR Income Cash Value
Depreciation		 Total
Incentives		 Total Cash
Flow		 Estimated
Payback
0     100,000 -264,000  
1 16,271 50,256 109,200 $175,727 -88,273
2 17,084 13,402   $30,486 -57,788
3 17,938 8,376   $26,314 -31,474
4 18,835 5,026   $23,861 -7,613
5 19,777 5,026   $24,803 17,190
6 20,766 1,675   $22,441 39,631
7 21,804     $21,804 61,435
8 22,894     $22,894 84,329
9 24,039     $24,039 108,368
10 25,241     $25,241 133,609
11 26,503     $26,503 160,112
12 27,828     $27,828 187,940
13 29,220     $29,220 217,159
14 30,680     $30,680 247,840
15 32,215     $32,215 280,054
16 33,825     $33,825 313,880
17 35,517     $35,517 349,396
18 37,292     $37,292 386,689
19 39,157     $39,157 425,845
20 41,115     $41,115 466,960
21 43,171     $43,171 510,131
22 45,329     $45,329 555,460
23 47,596     $47,596 603,055
24 49,975     $49,975 653,031
25 52,474     $52,474 705,505
26 55,098     $55,098 760,602
27 57,853     $57,853 818,455
28 60,745     $60,745 879,200
29 63,783     $63,783 942,983
30 66,972     $66,972 1,009,955