Alabama vs Indiana Solar Comparison
Alabama gets more sun (4.5 hrs/day) while Indiana has the faster payback (10 years).Indiana offers higher 20-year savings at $29,200.
Alabama
4.5 hrs
11.2yr payback
$28,400
20yr savings
Indiana
4.0 hrs
10yr payback
$29,200
20yr savings
Side-by-Side Comparison
| Metric | Alabama | Indiana |
|---|---|---|
| Peak Sun Hours | 4.5 hrs | 4.0 hrs |
| Cost per Watt | $2.95 | $3.10 |
| 6kW System Cost | $17,700 | $18,600 |
| Federal Tax Credit | 30% | 30% |
| State Tax Credit | None | None |
| State Rebate | None | None |
| Net Metering | Partial Net Metering | Partial Net Metering |
| Electricity Rate | 14.87¢/kWh | 15.42¢/kWh |
| Payback Period | 11.2 years | 10 years |
| 20-Year Savings | $28,400 | $29,200 |
Verdict
Indiana is the better state for solar ROI with $29,200 in 20-year savings and a 10-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 Indiana?
Alabama gets more sun (4.5 peak hours/day vs 4). Indiana has a faster payback (10 years) and Indiana offers higher 20-year savings ($29,200).
How do solar costs compare between Alabama and Indiana?
A 6kW system costs $17,700 in Alabama vs $18,600 in Indiana before incentives. Both qualify for the 30% federal tax credit.
Explore More
Was this data helpful?
Data verified March 2026 · Source: NREL, DSIRE, EIA