Solar Panels in Tucson, AZ

Tucson gets 6.4 peak sun hours/day with electricity at $0.135/kWh. Calculate panels needed, cost after 30% ITC, and payback period.

Sun Hours
6.4/day
Rate
$0.135/kWh
Cost/Watt
$2.5
Net Metering
TEP buyback

☀️ Tucson Solar Calculator

10,000 kWh
Panels
163
System Size
65.2 kW
Annual kWh
121,846
Net Cost
$114,100
Savings/yr
$16,449
Payback
6.9 yrs
25-Yr Savings
$297,125

System Sizes in Tucson

Monthly kWhPanelskWNet CostSavings/yrPayback
50093.6$6,300$9086.9 yrs
750135.2$9,100$1,3126.9 yrs
1,000176.8$11,900$1,7166.9 yrs
1,5002510.0$17,500$2,5236.9 yrs
2,0003313.2$23,100$3,3306.9 yrs
2,5004116.4$28,700$4,1386.9 yrs

Solar Guide for Tucson (2026)

Tucson at latitude 32.22°N receives 6.4 peak sun hours/day. At $0.135/kWh, solar offers solid long-term savings.

Incentives: Federal ITC + TEP rebate + AZ tax credit.

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

See also: Solar in Arizona