SunPowerPeek

Alaska vs Indiana Solar Comparison

Indiana gets more sun (4.0 hrs/day) while Indiana has the faster payback (10 years).Indiana offers higher 20-year savings at $29,200.

Alaska

3.0 hrs

10.5yr payback

$22,800

20yr savings

Indiana

4.0 hrs

10yr payback

$29,200

20yr savings

Side-by-Side Comparison

MetricAlaskaIndiana
Peak Sun Hours3.0 hrs4.0 hrs
Cost per Watt$3.20$3.10
6kW System Cost$19,200$18,600
Federal Tax Credit30%30%
State Tax CreditNoneNone
State RebateNoneNone
Net MeteringFull Net MeteringPartial Net Metering
Electricity Rate24.21¢/kWh15.42¢/kWh
Payback Period10.5 years10 years
20-Year Savings$22,800$29,200

Verdict

Indiana is the better state for solar ROI with $29,200 in 20-year savings and a 10-year payback period. Indiana has more sun exposure at 4.0 hrs/day, making it ideal for maximum energy production. Both states qualify for the 30% federal solar tax credit.

Frequently Asked Questions

Is solar better in Alaska or Indiana?

Indiana gets more sun (4 peak hours/day vs 3). Indiana has a faster payback (10 years) and Indiana offers higher 20-year savings ($29,200).

How do solar costs compare between Alaska and Indiana?

A 6kW system costs $19,200 in Alaska vs $18,600 in Indiana before incentives. Both qualify for the 30% federal tax credit.

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Data verified March 2026 · Source: NREL, DSIRE, EIA