SolarData USA

Are Solar Panels Worth It in California? Data-Backed Analysis

Yes

Solar panels are a strong investment in California based on available data.

The Numbers

Average System Cost
$41,924

9.4 kW system

After Federal ITC
$29,347

30% tax credit applied

Total Installations
1,921,220

98% residential

Factors in Favor

  • 1,921,220 installations demonstrate strong market adoption
  • Federal 30% Investment Tax Credit available to all homeowners
  • 98% residential - strong homeowner adoption

Things to Consider

  • !Above-average installation cost ($4.46/W vs national $4.18/W)

California vs National Average

MetricCaliforniaNational
Cost per Watt$4.46$4.18
Total Installations1,921,2203,426,466
Total Capacity17,997 MW -

Frequently Asked Questions

The average solar system in California costs approximately $41,924 (avg 9.4 kW system at $4.46/W). After the 30% federal ITC, your net cost would be around $29,347.
All California homeowners are eligible for the federal 30% Investment Tax Credit (ITC), which reduces the cost by approximately $12,577. Additional state and local incentives may further reduce your costs. Visit our California incentives page for a complete breakdown.
California has 1,921,220 solar installations, showing strong market adoption. Combined with competitive costs and available incentives, solar is a strong investment in California.
View California solar incentives →Compare with other states →

Source: LBNL Tracking the Sun, U.S. Department of Energy, EIA. Costs and savings are estimates based on average residential installations and may vary.