california solar installation cost
For example, the total average cost of an installed residential PV system under the California Solar Initiative is $8.70 per Watt (including installation, as of January 2011).or example, using the Clean Power Estimator, a south-facing three-kilowatt system installed at a 30-degree angle on a single-family home with a utility bill of $180 per month in San Francisco would cost a customer an estimated $19,282 with a payback period of 12 years.