Solar Panels in San Diego, CA
San Diego gets 5.7 peak sun hours/day with electricity at $0.35/kWh. Calculate panels needed, installed cost, and payback period (updated for 2026 — no federal credit).
☀️ San Diego Solar Calculator
System Sizes in San Diego
| Monthly kWh | Panels | kW | Installed Cost | Savings/yr | Payback |
|---|---|---|---|---|---|
| 500 | 10 | 4.0 | $11,200 | $2,330 | 4.8 yrs |
| 750 | 14 | 5.6 | $15,680 | $3,262 | 4.8 yrs |
| 1,000 | 19 | 7.6 | $21,280 | $4,427 | 4.8 yrs |
| 1,500 | 28 | 11.2 | $31,360 | $6,524 | 4.8 yrs |
| 2,000 | 37 | 14.8 | $41,440 | $8,622 | 4.8 yrs |
| 2,500 | 46 | 18.4 | $51,520 | $10,719 | 4.8 yrs |
Solar Guide for San Diego (2026)
San Diego at latitude 32.72°N receives 5.7 peak sun hours/day. At $0.35/kWh, solar offers exceptional long-term savings.
Incentives: Federal ITC + SGIP battery rebate.
NEC Solar Requirements
All installations must comply with NEC Article 690: rapid shutdown (690.12), conductor sizing at 125% (690.8), and proper grounding per NEC 250. Use our Solar Wire Size Calculator for conductor sizing.
Disclaimer: Estimates only. Consult a licensed solar installer. NEC Article 690 compliance required.
Frequently Asked Questions
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See also: Solar in California