Solar Payback Period in Arizona (2026)
Updated 2026-07-07 · MySunROI Research
The average solar payback period in Arizona is 6.6 years for a 6 kW system (2026). After break-even, electricity savings continue for 15–20+ more years.
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Payback timeline
Net install cost after 30% ITC: $10,970. Annual savings: ~$1,670. Simple payback ≈ 6.6 years.
Actual payback varies by system size, roof, shading, and rate plan.
- Low: 4.9 years · Avg: 6.6 · High: 9.2 years
What affects payback in Arizona
Arizona offers some of the fastest solar payback in the US due to sun + moderate install costs.
- Electricity rate (13.8¢/kWh)
- Install cost ($3/watt)
- Production (6.5 peak sun hours)
- Verify APS vs. SRP rate plan before sizing
- Dust cleaning may affect production in desert climates
Savings after payback
30-year savings: $34,250–$57,600.
Arizona quick stats
- 6 kW after ITC
- $10,970
- Payback
- 6.6 years
- Electric rate
- 13.8¢/kWh
- Annual savings
- $1,670
Frequently Asked Questions
Average payback in Arizona?
6.6 years for a 6 kW system after ITC.
Is 10 years good?
Yes — under 12 years is solid; under 8 is excellent.
Related pages
How We Calculate Solar Costs
MySunROI estimates combine NREL residential PV installed-price benchmarks, EIA state electricity rates, and regional labor modifiers — updated 2026-07-07.
Estimates only — not tax or financial advice. Estimates based on NREL PV cost benchmarks, EIA electricity rates, and 2026 installer pricing surveys.