Average System Cost
The cost of a typical system can be broken down into 2 areas: components and installation. In the solar industry, this cost is tracked by dollars per watt.
Range of Cost
Residential Grid-Tie systems can start as low
as $5,000 (installed) for a starter system, all the way to $50,000 or more.
Average Component Cost
$4 per watt. This includes
all the components including panels, inverters, mountings and electrical
Average Installation Cost
$2.50 per watt. This usually includes the physical installation of the
system and connection to the grid.
Example: A 3 kW system is 3000 watts. So the components will cost $20,000
before rebates, and the installation will cost $6,000.