How long is solar payback in Arizona?

Solar payback in Arizona typically runs 7–12 years depending on your electricity rate, system size, sun hours, and whether you qualify for the federal 30% Investment Tax Credit plus any Arizona state incentives. Use the calculator above for a personalized estimate.

What solar incentives are available in Arizona in 2026?

All Arizona homeowners qualify for the federal 30% Solar Investment Tax Credit (ITC) on the gross system cost. Arizona may also offer a state tax credit, rebates from your utility, or favorable net metering. See the calculator inputs above for Arizona-specific values.

Is net metering available in Arizona?

Net metering rules vary by state and utility. Arizona has its own rules — full retail credit, time-of-use rates, or buyback programs. The calculator above factors in Arizona's effective net metering value when estimating your monthly bill offset.

How many sun hours does Arizona get?

Arizona's average peak sun hours per day (NREL TMY3 data) determines how much solar your system can generate. The calculator above uses Arizona-specific irradiance to size the system from your monthly electricity bill.

Should I buy solar panels or lease them in Arizona?

Buying outright (cash or loan) lets you claim the 30% federal ITC and any Arizona state credit, and you own the energy. Leasing or PPAs let the installer take the credit but you avoid upfront cost. For long-term value in Arizona, ownership almost always wins.

Solar Payback in Arizona (2026) — 25% State Credit + Best Sun

Arizona has the highest peak sun hours in the continental US — 6.5 daily averages — making it physically the most productive state for residential solar. Arizona pairs the federal 30% ITC with a 25% state income tax credit (capped at $1,000), property tax exemption, and sales tax exemption on solar equipment. The catch: APS and SRP (the two largest Arizona utilities) replaced traditional net metering with ‘Export Rate’ programs that pay less than retail for exported power, similar to a softer version of California’s NEM 3.0.

Use the calculator below — your state is already selected. Adjust your monthly electric bill and system cost for a Arizona-specific payback estimate.

Solar Payback Calculator (by State)

Estimate your system size, total cost after incentives, and break-even year for residential solar.

State

Monthly electric bill Average across the year. Used to size the system.

Your electricity rate ($/kWh) Auto-filled from state average. Override with your real rate from your utility bill.

System cost ($/Watt) 2024 national avg ~$2.85/W gross, before incentives. Quotes range $2.50-3.50.

Financing

Utility rate inflation (% / yr) US average ~2.8% over last 25 years. EIA forecasts ~3% through 2050.

Estimated payback period

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Select your state to get a precise estimate.

System size

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25-year savings

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Net cost after credits

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Year-1 savings

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Cost breakdown

Net out-of-pocket

Get free solar quotes from local installers

Estimates only. Real solar quotes depend on your roof, shading, local installer pricing, utility net-metering policy, and your specific tax situation for the federal credit. Not financial advice.

Cumulative savings vs. system cost

When the green line crosses the dashed cost line, you’ve broken even.

Arizona solar incentives

1. Federal 30% Investment Tax Credit

Standard. Applies to gross system cost.

2. Arizona State Income Tax Credit

25% of installed solar cost, capped at $1,000 per residence. Nonrefundable; carries forward 5 years. The cap is the disappointment — on a typical $20K system, you only get 5% effective credit from the state.

3. Solar Equipment Sales Tax Exemption

Arizona solar PV equipment is exempt from state sales tax (5.6%). Saves roughly $1,000-$1,500 on a typical residential system.

4. Property tax exemption

Arizona solar installations don't increase assessed property value.

5. Export Rate / Net Billing (not net metering)

APS and SRP, Arizona's two largest utilities, replaced net metering with 'Export Rate' programs that pay roughly $0.09-$0.12/kWh for exported power (vs. retail rate of $0.13-$0.16/kWh). The 'value of solar' calculation gives you a small discount on your retail rate but less than 1-to-1 credit for exports.

6. Battery storage attractive

Because export rates are below retail, adding battery storage to time-shift your solar production to evening hours improves economics. AZ-specific battery rebates aren't currently active, but the federal 30% ITC covers standalone batteries.

What 2026 Arizona solar economics look like

A typical 7 kW solar system in Arizona 2026:

Gross system cost: $18,200 ($2.60/W — Arizona has competitive installer market)
Federal 30% ITC: -$5,460
Arizona 25% state credit (capped at $1,000): -$1,000
Net cost: $11,740
Annual production: ~15,800 kWh (highest of any US state)
Annual savings at $0.135/kWh × 75% NEM factor: ~$1,600
Simple payback: ~7.3 years

Arizona's combination of best-in-class sun + decent state credit + lower-than-average system costs makes for 7-9 year typical payback periods.

How to use the Arizona solar calculator above

The state is pre-selected. Adjust if needed.
Enter your typical monthly electric bill (averaged across the year).
The calculator auto-fills your state's average electricity rate and peak sun hours — override the electricity rate with your real $/kWh from your bill if you know it.
Adjust the system cost per watt based on quotes from local installers. Arizona averages are typically within the $2.50–$3.50/W range for cash installs.
The output shows estimated system size, net cost after federal and state credits, year-1 savings, and 25-year cumulative savings.

Reviewed by the CalcCottage editorial team. Updated May 14, 2026. Estimates only — not financial advice. Verify current incentives at DSIRE.org before installing.

Solar Payback in Arizona: Best Sun in the Continental US