Solar Panel ROI in Arizona

· Source: NREL PVWatts

Is solar worth it in AZ? Here's what the data says.

2.5x ROI Score
10 yrs Payback Period
$1,381/yr Annual Savings
$34,525 25-Year Savings

Your savings estimate

$ /mo bill
Annual savings $1,381
·
Payback 10 yrs
·
25-yr savings $34,525

25-Year ROI Timeline

With a 10-year payback, your system spends 15 years in profit after breaking even.

Payback (10 yrs)
Profit (15 yrs)
Year 0 Year 6 Year 13 Year 19 Year 25
System Cost $13,800
25-Year Savings $34,525
Net Profit $20,725

Get Free Solar Quotes for Arizona

The ROI above is an estimate. Compare real quotes from local installers in Arizona — free, no commitment.

Compare Solar Quotes — Free →

Solar Calculator for Arizona

Adjust the values below to see your personalized solar ROI estimate.

kW
$
$ /kWh
6.54 kWh/m²/day
Based on NREL data for Arizona
ROI Score 2.5x
Annual Production 10,544 kWh
Annual Savings $1,381
Payback Period 10 years
25-Year Savings $34,525
System Cost $13,800

Arizona vs National Average

Solar Irradiance: Arizona vs National Average Arizona: 6.54 kWh/m²/day National Avg: 5.12 kWh/m²/day
Solar Irradiance 6.54 kWh/m²/day
+28% vs national avg
Payback Period 10 years Near average
Electricity Rate $0.131 /kWh Below avg

How We Calculated This

Our solar ROI calculations use data from the National Renewable Energy Laboratory (NREL) PVWatts API, which models solar energy production based on location-specific solar irradiance, weather patterns, and panel tilt angles. We assume a standard 6kW residential system with south-facing panels at optimal tilt.

Electricity rates are sourced from the U.S. Energy Information Administration (EIA). Annual savings are calculated by multiplying estimated production by the local electricity rate. The ROI score represents total 25-year savings divided by system cost.

These estimates do not include the federal 30% ITC tax credit, state incentives, SRECs, or utility rebates, which can significantly reduce the effective payback period.

Solar ROI by Zip Code in Arizona

Explore solar data for specific zip codes in Arizona. Click any zip code for a full local breakdown.

Compare with Nearby States

Solar Outlook for Arizona

Arizona's solar irradiance of 6.54 kWh/m²/day is 31.8% above the national average. With electricity at $0.131/kWh, the 10-year payback is moderate — though incentives and tax credits can significantly shorten it.

Solar Equipment Worth Considering

As an Amazon Associate we earn from qualifying purchases.

Ready to Go Solar in Arizona?

Get free, no-obligation solar quotes from top-rated installers in your area.

Get Free Solar Quotes

Stay Updated

Get weekly data insights delivered to your inbox.