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Solar System For Home Cost
Carmen Said:How much for a 8kwh solar panel system?
We Answered:Figure 8 hours of sun per day, so 8 kW-hr is a rate of 1 kW, which is a medium sized panel, probably not enough to operate your house totally, unless you have a very small unit. Averaged over 24 hours, that is power at a rate of only 300 watts, enough for a TV.
Average US home use is 1.2 kW, which over 24 hours is 29 kW-hr, plus you need extra for cloudy days, peak demands, and to charge batteries.
You have to decide off-grid or on-grid, and if you want to (and are allowed to) sell excess power to the power company. Off gird, the cost of batteries and charge controller are a large part of the cost. On-grid, you have to purchase equipment approved by the power company to match your power with the grid.
Panels will cost about $3 per watt, so for 1000 watts that is $3000. Double that for installation, then add in cost of charge controller, inverter, batteries, etc. The last items depend on your alternatives, see paragraph above.
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On-grid, you have to purchase equipment approved by the power company to match your power with the grid.