A 1kW solar panel system generates 4 to 5 kWh of electricity daily, costs between $1,800 and $5,800 depending on battery inclusion, and requires 3 to 4 standard 300-watt panels.
Paradise Solar Energy notes that the average residential solar panel system costs between $2 and $3 per watt, resulting in a total cost of $25,000 to $50,000 for the system. After applying the 30% federal tax credit, homeowners can expect to pay between $18,000 and $38,000.