Are solar panels tax-deductible in California? No, solar panels aren't tax-deductible in California but they do qualify for that federal tax credit score and they are exempt through the state profits tax at time of order. The Guides crew contacted Sunrun for touch upon the negative purchaser opinions stated above https://www.americanarraysolar.com/how-to-start-solar-energy-system-installation-with-a-california-solar-company/