Recent content by beaversrule

The retail cost of solar is now less than $4/Watt. Therefore a 5kW system will cost between $17k-$20k, we'll use $20k as the gross cost for this example. The federal tax credit is 30%, so the net cost will then be $20k - $6k = $14k. A 5kW system will generate approximately 7,300 kWh/year. If the...