Is solar worth it in San Diego, CA?
A typical 7 kW rooftop system in San Diego produces about 11,396 kWh/year and pays back in roughly 8.2 years against the area’s ~22.5¢/kWh commercial rate. Computed from San Diego’s solar geometry — refine for your exact roof below.
Monthly production — 7 kW system in San Diego
How much solar does San Diego get?
San Diego’s desert climate gives a solar specific yield of about 1,628 kWh per kW of installed panels each year (south-facing, tilted near the latitude of 33°). At an estimated commercial electricity rate of ~22.5¢/kWh, a 7 kW array offsets roughly $3k of bills in year one, for a simple payback near 8.2 years before incentives. Add storage and you can ride through outages and shift usage off peak — model the full system for your address next.
Get the exact payback for your roof
Run real NREL PVWatts production against your actual serving utility — then size storage in the modeler.