For example, based on our average cost of a solar panel at $3 per watt with installation, a 6 kW system would run you around $18,000, while a 12 kW system would double the cost. The cost of your ...
On average, the company’s solar panels cost between $2.70 and $3.20 per watt. This pricing makes a standard 6 kW system cost around $16,200 to $19,200 before tax credits or state incentives ...