Most solar companies set the price according to the solar system's wattage. A solar installation's “cost per watt” is a little like the “price per square foot” when you buy a house.
On average, homeowners with solar panels avoid $62,219 in total utility costs over 25 years. A typical 8-kilowatt (kW) solar panel system costs $22,712 before any financial incentives. However ...
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