Is Solar Worth It in Arizona? (2026 Analysis)
Updated 2026-07-07 · MySunROI Research
Solar in Arizona is financially attractive for many homeowners in 2026. Average payback: 6.6 years. Net cost after ITC: $10,970. Annual savings: ~$1,670.
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Arizona solar ROI snapshot
- 6 kW net cost after ITC: $10,970
- Estimated payback: 6.6 years
- Electricity rate: 13.8¢/kWh
- Peak sun hours: 6.5/day
- 30-year savings: $46,760
When solar is worth it in Arizona
Arizona combines excellent sun (6+ peak sun hours) with mature installer competition in Phoenix and Tucson. APS and SRP have different net billing rules — critical to model savings accurately.
- Monthly bill $120+ with south-facing roof
- You purchase (not lease) to claim ITC
- Staying past payback (~6.6 years)
- See full Arizona cost breakdown
When to wait or skip
- Moving within 3–5 years
- Heavy shading or roof replacement needed soon
- Very low usage under $75/month
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
What is the payback in Arizona?
Average 6.6 years for a 6 kW system after the 30% federal credit, based on Arizona rates and production.
Lease or buy?
Buying usually saves $10k–$30k more over 25 years. See lease vs buy guide.
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.