Solar Panel Cost in San Jose, CA (2026)

The average solar panel installation in San Jose, CA costs $2.80 per watt, or about $16,800 for a typical 6kW residential system before state and local incentives. Over 25 years, going solar in San Jose can save you an estimated $50,000, with a payback period of around 5 years.

$2.80

Cost per Watt

$16,800

Avg System Cost

5 years

Payback Period

$50,000

25-Year Savings

Solar Panel Costs in San Jose, CA

Average cost per watt: $2.80 | Payback period: 5 years

System SizeEstimated CostEst. 25-Year Savings
4 kW$11,200$33,333
6 kW$16,800$50,000
8 kW$22,400$66,667
10 kW$28,000$83,333
12 kW$33,600$100,000

Why Go Solar in San Jose?

San Jose residents currently pay an average of $28.0 cents/kWh for electricity. This is above the national average of 16 cents/kWh, making solar an especially smart investment for homeowners in San Jose.

With an average of 5.8 peak sun hours per day, San Jose receives excellent solar irradiance, supporting strong energy production from your rooftop panels throughout the year.

California offers net metering, which means San Jose homeowners earn credits on their electricity bill for any excess solar energy sent back to the grid. This can significantly reduce or even eliminate your monthly electricity bill.

Solar Cost FAQs for San Jose, CA

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