Average solar panel installation costs range from $8,379 to $24,449 in California. How much you pay depends on the size of your system, what incentives you're eligible for, your home's sunlight exposure and other factors.
Typical cost range for adding or replacing a 2-pole 220 breaker generally falls between $85 and $680, with most residential installations landing around the $125–$250 mark for a standard 20–30A breaker. For higher amperages, AFCI/GFCI protection, or difficult access panels.