Maryland vs North Carolina Solar Comparison
North Carolina gets more sun (4.6 hrs/day) while Maryland has the faster payback (8.5 years).Maryland offers higher 20-year savings at $36,400.
Maryland
4.3 hrs
8.5yr payback
$36,400
20yr savings
North Carolina
4.6 hrs
9.8yr payback
$31,400
20yr savings
Side-by-Side Comparison
| Metric | Maryland | North Carolina |
|---|---|---|
| Peak Sun Hours | 4.3 hrs | 4.6 hrs |
| Cost per Watt | $3.10 | $2.85 |
| 6kW System Cost | $18,600 | $17,100 |
| Federal Tax Credit | 30% | 30% |
| State Tax Credit | None | None |
| State Rebate | $1,000 | None |
| Net Metering | Full Net Metering | Full Net Metering |
| Electricity Rate | 16.57¢/kWh | 14.09¢/kWh |
| Payback Period | 8.5 years | 9.8 years |
| 20-Year Savings | $36,400 | $31,400 |
Verdict
Maryland is the better state for solar ROI with $36,400 in 20-year savings and a 8.5-year payback period. North Carolina has more sun exposure at 4.6 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 Maryland or North Carolina?
North Carolina gets more sun (4.6 peak hours/day vs 4.3). Maryland has a faster payback (8.5 years) and Maryland offers higher 20-year savings ($36,400).
How do solar costs compare between Maryland and North Carolina?
A 6kW system costs $18,600 in Maryland vs $17,100 in North Carolina before incentives. Both qualify for the 30% federal tax credit.
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Data verified March 2026 · Source: NREL, DSIRE, EIA