Sadly, You can not get cost-free solar panels in California, while incentives can drastically reduced the cost you shell out. When you've seen adverts free of charge solar panels or no-Value solar systems, they're likely referring to solar leases or PPAs. California will not give a statewide solar tax credit. https://solarpanelcostlivermore.blogspot.com/2024/12/4-hacks-to-find-reliable-commercial.html