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Is Solar Worth It in Arizona in 2026?

Complete analysis of solar costs, incentives, net metering, and payback for Arizona homeowners — without the federal ITC.

Cost Per Watt

$2.70

installed

Electricity Rate

$0.129

per kWh

Payback (No ITC)

14.3 yr

current reality

Payback (With 30% ITC)

10 yr

hypothetical

25-Year ROI

75%

return on investment

Incentive Breakdown — Arizona

Available incentives for a typical 7kW residential solar system in Arizona

Federal ITC (25D)

Expired

The federal solar Investment Tax Credit expired on January 1, 2026. No federal credit available for new installations.

State Tax Credit

$1,000

Arizona offers a personal income tax credit of 25% of system cost, up to $1,000.

SREC Market

Not Available

Arizona does not have a traditional SREC market.

Property Tax Exemption

Solar system value excluded from property tax assessment

Sales Tax Exemption

No statewide sales tax exemption for solar

Key Incentives: State tax credit worth $1,000; Property tax exemption for solar.

Solar Math — With vs Without Federal ITC

Cost breakdown for a typical 7kW residential system in Arizona

2026 Reality (No Federal ITC)

System Size
7 kW
Cost per Watt
$2.70/W
Gross Cost
$18,900
Federal ITC
$0
Net Cost
$18,900
Annual Savings
$1,320/yr
Payback Period
14.3 years

Hypothetical (With 30% ITC)

System Size
7 kW
Cost per Watt
$2.70/W
Gross Cost
$18,900
Federal ITC (30%)
-$5,670
Net Cost
$13,230
Annual Savings
$1,320/yr
Payback Period
10 years

Impact: Without the federal ITC, Arizona homeowners face a 4.3-year longer payback period — paying $5,670 more out of pocket.

Net Metering Policy — Arizona

How Arizona compensates your excess solar production

NEM 3.0 Reduced Net Billing

Significantly reduced export credits — substantially longer payback. Battery storage highly recommended.

Arizona moved to net billing in 2017. APS and other IOUs credit exports at a reduced rate (~$0.03-0.06/kWh).

Cost Per Watt Benchmark — Arizona

Arizona Average

$2.70/W

National Average

$3.05/W

Typical 7kW System

$18,900

$2.00/W $3.50/W $5.00/W

Arizona's average installed cost is below the national average of $3.05/W

Breakeven Timeline

Without the federal ITC, a typical 7kW system in Arizona breaks even in 14.3 years. With the former 30% ITC, payback would drop to 10.0 years.

Without Federal ITC

14.3

years to break even

With Former 30% ITC

10

years to break even

Production Details

Peak Sun Hours5.2 hrs/day
Production1461 kWh/kW/yr
Annual Production$10,230 kWh
Annual Savings$1,320

Ready to Go Solar in Arizona?

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