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 kWh | Panels | kW | Net Cost | Savings/yr | Payback |
|---|---|---|---|---|---|
| 500 | 9 | 3.6 | $6,300 | $908 | 6.9 yrs |
| 750 | 13 | 5.2 | $9,100 | $1,312 | 6.9 yrs |
| 1,000 | 17 | 6.8 | $11,900 | $1,716 | 6.9 yrs |
| 1,500 | 25 | 10.0 | $17,500 | $2,523 | 6.9 yrs |
| 2,000 | 33 | 13.2 | $23,100 | $3,330 | 6.9 yrs |
| 2,500 | 41 | 16.4 | $28,700 | $4,138 | 6.9 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
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3.6 hrs · $0.225/kWh
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5.6 hrs · $0.28/kWh
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3.9 hrs · $0.155/kWh
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5 hrs · $0.135/kWh
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6.6 hrs · $0.138/kWh
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3.9 hrs · $0.162/kWh
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5.5 hrs · $0.148/kWh
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5.3 hrs · $0.148/kWh
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4.7 hrs · $0.135/kWh
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3.2 hrs · $0.115/kWh
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3.8 hrs · $0.27/kWh
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3.5 hrs · $0.13/kWh
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4 hrs · $0.145/kWh
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5.4 hrs · $0.142/kWh
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4.4 hrs · $0.125/kWh
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5.3 hrs · $0.115/kWh
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See also: Solar in Arizona