SunPowerPeek

Alabama vs Maine Solar Comparison

Alabama gets more sun (4.5 hrs/day) while Maine has the faster payback (7.5 years).Maine offers higher 20-year savings at $40,200.

Alabama

4.5 hrs

11.2yr payback

$28,400

20yr savings

Maine

3.8 hrs

7.5yr payback

$40,200

20yr savings

Side-by-Side Comparison

MetricAlabamaMaine
Peak Sun Hours4.5 hrs3.8 hrs
Cost per Watt$2.95$3.30
6kW System Cost$17,700$19,800
Federal Tax Credit30%30%
State Tax CreditNoneNone
State RebateNoneNone
Net MeteringPartial Net MeteringFull Net Metering
Electricity Rate14.87¢/kWh26.37¢/kWh
Payback Period11.2 years7.5 years
20-Year Savings$28,400$40,200

Verdict

Maine is the better state for solar ROI with $40,200 in 20-year savings and a 7.5-year payback period. Alabama has more sun exposure at 4.5 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 Alabama or Maine?

Alabama gets more sun (4.5 peak hours/day vs 3.8). Maine has a faster payback (7.5 years) and Maine offers higher 20-year savings ($40,200).

How do solar costs compare between Alabama and Maine?

A 6kW system costs $17,700 in Alabama vs $19,800 in Maine before incentives. Both qualify for the 30% federal tax credit.

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