The cost of a solar system for your home or business will depend primarily on the size of the installation. Which solar system is right for you will depend on your energy needs. Please note that the installation cost of these systems varies depending on the difficulty of the installation (e.g., the site layout and the electrical system.) The approximations below apply only to grid tie systems.

Cost of an average home system (Grid connected):

A 3,000W gross system will provide a moderate home in California with all the electricity it needs. The system produces about 12.5 Kwh per day/375 Kwh per month.

System and installation cost: $25,900
Utility company rebates and tax credits: 30%-55% off above cost
Customer final cost: $10,500 - $S16,660

Cost of a large home system (Grid connected):

A 12,000W gross system will satisfy the electricity needs of a large home in California. The system produces about 50 Kwh per day/1,500 Kwh per month.

System and installation cost: $85,000
Utility company rebates and tax credits: 30%-55% off above cost
Customer final cost: $44,500 - $57,500