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Cost Savings or Return on Investment (payback time)
The energy produced by SOLAR ONE water heating system will provide you with a rapid return on your investment, and an ongoing return better than most investments.
The system will continue to provide you with better terms than any other risk free investment once the system has paid itself off. It also provides the benefit of offering you a level of independence from power bill price increases and availability which means the money that you previously spent on electricity is now yours to spend or save as you please.
Cost Savings Diagram |
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Monthly Average Electricity Bill in a year(NZD) |
Savings per month(NZD) |
Savings One year(NZD) |
Savings Two years(NZD) |
Savings Three years(NZD) |
100.00 |
60.00 |
720.00 |
1,440.00 |
2,160.00 |
150.00 |
90.00 |
1,080.00 |
2,160.00 |
3,240.00 |
200.00 |
120.00 |
1,440.00 |
2,880.00 |
4,320.00 |
250.00 |
150.00 |
1,800.00 |
3,600.00 |
5,400.00 |
300.00 |
180.00 |
2,160.00 |
4,320.00 |
6,480.00 |
350.00 |
210.00 |
2,520.00 |
5,040.00 |
7,560.00 |
400.00 |
240.00 |
2,880.00 |
5,760.00 |
8,640.00 |
450.00 |
270.00 |
3,240.00 |
6,480.00 |
9,720.00 |
500.00 |
300.00 |
3,600.00 |
7,200.00 |
10,800.00 |
600.00 |
360.00 |
4,320.00 |
8,640.00 |
12,960.00 |
700.00 |
420.00 |
5,040.00 |
10,080.00 |
15,120.00 |
800.00 |
480.00 |
5,760.00 |
11,520.00 |
17,280.00 |
900.00 |
540.00 |
6,480.00 |
12,960.00 |
19,440.00 |
1,000.00 |
600.00 |
7,200.00 |
14,400.00 |
21,600.00 |
1,300.00 |
780.00 |
9,360.00 |
18,720.00 |
28,080.00 |
1,500.00 |
900.00 |
10,800.00 |
21,600.00 |
32,400.00 |
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 This diagram is assuming that the rate per kilowatt of electricity is fixed. In a realistic situation, you may save more by using our solar water heating system as the rate will increase each year.
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