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10 Best Rated Solar Companies in California

The Average Cost Of Solar Panels in California

System Size Rough Number of Panels Average Cost Per Watt (USD) Average Cost Before Tax (USD) Average Cost After Tax (USD)
4kW 10-12 3.86 15,440 10,808
5kW 13-15 3.65 18,250 12,775
6kW 15-18 3.35 20,100 14,070
8kW 20-24 2.94 23,520 16,464
10kW 25-29 2.86 28,600 20,020
12kW 30-35 2.75 33,000 23,100
20kW 50-59 2.35 47,000 32,900

The Average Cost Per Watt in California

System Size Average Cost Per Watt (USD/W)
4kW 3.80
5kW 3.65
6kW 3.42
8kW 3.22
10kW 3.16
12kW 3.05
20kW 2.95

The Average Savings in California

System Size Average Savings (USD)
4kW 13,860
5kW 17,850
6kW 22,346
8kW 30,933
10kW 36,525
12kW 47,825
20kW 81,140

The Average Payback Time in California

System Size Average Payback Time (years)
4kW 11
5kW 11
6kW 10
8kW 10
10kW 10
12kW 9
20kW 9
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