Solar Panels in San Jose, CA
San Jose gets 5.3 peak sun hours/day with electricity at $0.3/kWh. Calculate panels needed, cost after 30% ITC, and payback period.
Sun Hours
5.3/day
Rate
$0.3/kWh
Cost/Watt
$2.9
Net Metering
NEM 3.0
☀️ San Jose Solar Calculator
5,333 kWh
Panels
105
System Size
42.0 kW
Annual kWh
64,999
Net Cost
$85,260
Savings/yr
$19,500
Payback
4.4 yrs
25-Yr Savings
$402,240
System Sizes in San Jose
| Monthly kWh | Panels | kW | Net Cost | Savings/yr | Payback |
|---|---|---|---|---|---|
| 500 | 10 | 4.0 | $8,120 | $1,857 | 4.4 yrs |
| 750 | 15 | 6.0 | $12,180 | $2,786 | 4.4 yrs |
| 1,000 | 20 | 8.0 | $16,240 | $3,714 | 4.4 yrs |
| 1,500 | 30 | 12.0 | $24,360 | $5,571 | 4.4 yrs |
| 2,000 | 40 | 16.0 | $32,480 | $7,428 | 4.4 yrs |
| 2,500 | 50 | 20.0 | $40,600 | $9,286 | 4.4 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