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#11
April 15th 04, 10:35 PM
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"Jan Panteltje" wrote in message ... On a sunny day (Thu, 15 Apr 2004 05:57:18 GMT) it happened wrote in : A guy in Florida quoted 48 years pay back time. I ran the numbers for my home - over 40 years, and I pay 13 cents per kwh. A 2 kW system costs $15000. Assuming an average of 8 hours per day of 2kW per hour, that solar system would give me 16 kWh. I pay 16*.13 or $2.08 for 16 kWh. Works out to 19+ years for payback, if you don't count on mortgage payments for the system. Add that in, and the cost of a $15000 system is much worse - over 30,000 in a 25 year, 7% mortgage. You have to take into account that the cost of a kWh from the grid in 25 years will be a LOT higher too, if there still is a grid during and after WW3 that is. JP I would say that so far during WW# there is still a grid. |
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