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Is Solar Worth It in Iowa in 2026?

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

Cost Per Watt

$2.90

installed

Electricity Rate

$0.160

per kWh

Payback (No ITC)

15 yr

current reality

Payback (With 30% ITC)

10.5 yr

hypothetical

25-Year ROI

67%

return on investment

Incentive Breakdown — Iowa

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

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

None

Iowa's renewable energy tax credit for residential is currently not funded.

SREC Market

Not Available

Iowa 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: Property tax exemption for solar.

Solar Math — With vs Without Federal ITC

Cost breakdown for a typical 7kW residential system in Iowa

2026 Reality (No Federal ITC)

System Size
7 kW
Cost per Watt
$2.90/W
Gross Cost
$20,300
Federal ITC
$0
Net Cost
$20,300
Annual Savings
$1,354/yr
Payback Period
15 years

Hypothetical (With 30% ITC)

System Size
7 kW
Cost per Watt
$2.90/W
Gross Cost
$20,300
Federal ITC (30%)
-$6,090
Net Cost
$14,210
Annual Savings
$1,354/yr
Payback Period
10.5 years

Impact: Without the federal ITC, Iowa homeowners face a 4.5-year longer payback period — paying $6,090 more out of pocket.

Net Metering Policy — Iowa

How Iowa compensates your excess solar production

NEM 1.0 Full Retail Net Metering

Full retail rate net metering — you earn the same rate you pay for electricity. Best case for solar savings.

Iowa mandates net metering at full retail rate for systems up to 500 kW under IUB rules.

Cost Per Watt Benchmark — Iowa

Iowa Average

$2.90/W

National Average

$3.05/W

Typical 7kW System

$20,300

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

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

Breakeven Timeline

Without the federal ITC, a typical 7kW system in Iowa breaks even in 15.0 years. With the former 30% ITC, payback would drop to 10.5 years.

Without Federal ITC

15

years to break even

With Former 30% ITC

10.5

years to break even

Production Details

Peak Sun Hours4.3 hrs/day
Production1209 kWh/kW/yr
Annual Production$8,460 kWh
Annual Savings$1,354

Ready to Go Solar in Iowa?

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