{"du":{"gX":"What do solar panels cost in Petaluma, CA?","gY":"As of August, 2025, the average per-watt cost for solar panels in Petaluma, CA is $3.33/W. Post federal tax credit, a 5 kW solar panel system installation in Petaluma, CA will roughly cost $11,655.","gZ":"q"},"h$":"aL"}