Solar Panels in San Jose, CA
San Jose gets 5.3 peak sun hours/day with electricity at $0.3/kWh. Calculate panels needed, installed cost, and payback period (updated for 2026 — no federal credit).
☀️ San Jose Solar Calculator
System Sizes in San Jose
| Monthly kWh | Panels | kW | Installed Cost | Savings/yr | Payback |
|---|---|---|---|---|---|
| 500 | 10 | 4.0 | $11,600 | $1,857 | 6.2 yrs |
| 750 | 15 | 6.0 | $17,400 | $2,786 | 6.2 yrs |
| 1,000 | 20 | 8.0 | $23,200 | $3,714 | 6.2 yrs |
| 1,500 | 30 | 12.0 | $34,800 | $5,571 | 6.2 yrs |
| 2,000 | 40 | 16.0 | $46,400 | $7,428 | 6.2 yrs |
| 2,500 | 50 | 20.0 | $58,000 | $9,286 | 6.2 yrs |
Solar Guide for San Jose (2026)
San Jose at latitude 37.34°N receives 5.3 peak sun hours/day. At $0.3/kWh, solar offers exceptional long-term savings.
Incentives: Federal ITC + SJCE solar rebate + SGIP.
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