San Jose, CA Solar Panel Cost: 2025 Prices and Savings
As of December 2025, the average solar panel system costs $2.35/W including installation in San Jose, CA. For a 8.6 kW system (the average system size in San Jose, CA),
Let's have a look at the average cost of solar in San Jose. In San Jose, solar panels cost about 2.73 per watt on average. Since a 3.0-kW system is needed to cover the energy costs of a typical home in San Jose, the average price of going solar will be about $5,695 after claiming the federal solar tax credit of 30%.
In San Jose, an average home needs a 5kW solar system in order cover most of their electricity needs. Given the average residential price-per-watt of $3.55 in San Jose, a 5kW system can cost around $17,750 depending on applicable rebates and other factors.
Solar panels are worth it in most areas, including San Jose, CA. Certain factors, including the cost of electricity, incentives, climate, and the angle at which the sun hits your roof impact how quickly you break even on your investment relative to other areas around the U.S.
Average number of sunny days per year in San Jose, CA. 3 The cost of solar panels in California have fallen 43% over the last five years. 4 As battery storage prices have also plummeted, 5 now could be a great time to make the switch with a San Jose solar company like Sunrun.
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