Is Solar Worth It in California?
Yes — California is a national leader in residential solar.
High electricity rates and strong sun make solar very attractive. Many homeowners see payback in 6–8 years and 20+ years of savings. Net metering (NEM 3.0) and SGIP for storage support strong economics.
Average Cost of Solar in California (2026)
The total cost of a residential solar system depends on system size, roof type, and installer pricing.
Typical 6–8 kW system:
- Average cost before incentives: $16,000 – $24,000
- Federal tax credit (30%): -$4,800 – $7,200
- Average net cost after federal credit: $11,200 – $16,800
The federal 30% Residential Clean Energy Credit is administered through the Internal Revenue Service.
Most California homeowners install 6–8 kW; adding storage is common.
Solar Incentives in California
1. Federal Solar Tax Credit (30%)
30% of installation costs deductible from federal taxes.
2. Net Metering (NEM 3.0)
Export credits and terms under Net Billing; pairing with storage often improves economics.
3. SGIP (Storage)
Rebates for battery storage in qualifying areas (equity budgets, high fire-threat, etc.).
4. State & Local
Property tax exclusion for solar; some utilities and cities offer additional rebates. Check DSIRE.
Electricity Rates in California
California residential rates are among the highest in the nation, improving solar payback.
A typical California homeowner spends $2,000–$3,500 per year on electricity.
Solar can offset most or all of this cost.
Payback Period in California
Most homeowners see:
- Payback period: 6–8 years
- 25-year savings: $40,000–$80,000+
Savings depend on roof orientation, local utility rates, system size, and financing method.
Best Cities for Solar in California
Solar performs well statewide, but adoption is strongest in:
- Los Angeles
- San Diego
- San Francisco
- San Jose
- Sacramento
Suburban homes with south-facing roofs tend to achieve the highest ROI.
Is Solar Worth It in California? (Summary)
Solar makes the most sense if:
- You plan to stay 6+ years
- Your roof gets good sun
- Your bills are $150+/month
- You qualify for the federal tax credit
Solar is financially attractive for most California homeowners with suitable roofs.
How to Calculate Your California Solar Savings
Every home is different.
To get a personalized estimate, use the calculator on this page: enter your ZIP, monthly bill, and optional system size to see projected savings and payback.