Minnesota vs Mississippi Solar Comparison
Mississippi gets more sun (4.7 hrs/day) while Minnesota has the faster payback (10 years).Minnesota offers higher 20-year savings at $28,800.
Minnesota
4.0 hrs
10yr payback
$28,800
20yr savings
Mississippi
4.7 hrs
11yr payback
$27,200
20yr savings
Side-by-Side Comparison
| Metric | Minnesota | Mississippi |
|---|---|---|
| Peak Sun Hours | 4.0 hrs | 4.7 hrs |
| Cost per Watt | $3.15 | $3.00 |
| 6kW System Cost | $18,900 | $18,000 |
| Federal Tax Credit | 30% | 30% |
| State Tax Credit | None | None |
| State Rebate | None | None |
| Net Metering | Full Net Metering | Partial Net Metering |
| Electricity Rate | 15.63¢/kWh | 13.54¢/kWh |
| Payback Period | 10 years | 11 years |
| 20-Year Savings | $28,800 | $27,200 |
Verdict
Minnesota is the better state for solar ROI with $28,800 in 20-year savings and a 10-year payback period. Mississippi has more sun exposure at 4.7 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 Minnesota or Mississippi?
Mississippi gets more sun (4.7 peak hours/day vs 4). Minnesota has a faster payback (10 years) and Minnesota offers higher 20-year savings ($28,800).
How do solar costs compare between Minnesota and Mississippi?
A 6kW system costs $18,900 in Minnesota vs $18,000 in Mississippi before incentives. Both qualify for the 30% federal tax credit.
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Data verified March 2026 · Source: NREL, DSIRE, EIA