Solar Panel Cost in San Diego, CA
Average solar installation in San Diego costs $27,115 for a 7 kW system in 2026. San Diego gets 6 peak sun hours/day. Note: the 30% federal residential ITC expired December 31, 2025 — state incentives may still apply.
San Diego 7kW System
$27,115
Federal ITC expired 12/31/2025
Peak Sun Hours
6 hrs/day
Excellent solar potential
Est. Payback Period
15 years
at avg electricity rates
Solar Panel Cost in San Diego by System Size — 2026
| System Size | Est. Cost | Range |
|---|---|---|
| 5 kW (small home) up to 600 kWh/mo | $19,252 | $15,787 – $23,487 |
| 7 kW (average home) 700–900 kWh/mo | $27,115 | $22,234 – $33,080 |
| 10 kW (large home) 900–1,200 kWh/mo | $38,774 | $31,795 – $47,304 |
| 12 kW (very large) 1,200+ kWh/mo | $46,367 | $38,021 – $56,568 |
Prices include equipment, installation, and permitting for San Diego. Federal residential ITC expired Dec 31, 2025 — check California state incentives for available rebates and credits.
Is Solar Worth It in San Diego? A 2026 Analysis
San Diego Solar Resource
San Diego receives 6 peak sun hours per day on average. This is outstanding — among the best solar resources in the US. High sun exposure means you need fewer panels for the same output, reducing system size and cost.
California Net Metering
Net metering policy determines how much your utility pays for excess solar power. California's net metering rules directly affect your financial return in San Diego. Full retail credit (what you pay per kWh = what you receive for exports) maximizes savings. Some utilities have reduced or eliminated net metering — check with your local utility before purchasing.
Financial Projections for San Diego
A typical 7 kW solar system in San Diego costs $27,115 and saves approximately $1,800/year at average electricity rates. That's a 15-year payback period without incentives. State credits or solar company lease programs may reduce upfront cost. Over 25 years, the system generates roughly $17,885 in net savings above system cost.
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FAQs — Solar Panels in San Diego
The average solar panel installation in San Diego, California costs $27,115 for a typical 7 kW system in 2026. Note: the 30% federal residential ITC expired December 31, 2025 — state incentives may reduce costs further. With 6 average peak sun hours per day, San Diego has excellent solar potential.
Solar is an excellent investment in San Diego with 6 peak sun hours/day. At average electricity rates, a properly sized system typically pays back in 15 years and generates savings over a 25-year lifespan. Check California's net metering policy — full retail credit makes solar significantly more valuable.
San Diego solar owners can access: 1) Federal 30% Investment Tax Credit (through 2032) — saves $8,135 on a typical system; 2) California state incentives — check your state's database for additional credits and rebates; 3) Local utility rebates — contact San Diego's utility provider; 4) Net metering — get credit for excess power sent to the grid.
In San Diego with 6 peak sun hours/day, a home using 900 kWh/month needs approximately 6 solar panels (400W each) — about a 2.4 kW system. Your solar installer will size the system based on your actual utility bills and roof conditions.
To find a trustworthy solar installer in San Diego: verify CA contractor licensing, check NABCEP certification (the gold standard for solar installers), read Google and BBB reviews, get at least 3 quotes, and use EnergySage's marketplace — it connects you with pre-screened San Diego installers competing for your business, which typically saves $3,000–$8,000 vs. going direct.