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There are ALOT of factors to consider. Where is the house located geographically, what is the average electrical bill, are there cheaper/more efficient technologies that can be put in place first like Solar water heating or CFL lighting etc.

for instance a 2000sqft home with Solar water heating, cfls and other energy saving devices may be able to reach a net $0 energy consumption with a 5KW system, if those devices were not installed then that same 5KW may only represent 25% or 30% of the required energy.

The best bet is to find someone who Specializes in Solar Home Makeovers and ask them for an estimate.

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16y ago

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Related Questions

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Multiply the horsepower by a factor of 0.746 (approximate) to obtain the equivalent power in kilowatts.


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How many kilowats are in the sun?

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How many kilowatt hours for and six hours of usage?

Use the formula: energy = power x time. If power is in watts, convert it to kilowatts. Then you have: power (in kilowatts) x time (in hours) = energy (in kWh). Of course, you'll first need to figure out how much power the device - whatever you are talking about - uses.


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