SunPowerPeek

Kentucky vs Maryland Solar Comparison

Maryland gets more sun (4.3 hrs/day) while Maryland has the faster payback (8.5 years).Maryland offers higher 20-year savings at $36,400.

Kentucky

4.1 hrs

12yr payback

$24,600

20yr savings

Maryland

4.3 hrs

8.5yr payback

$36,400

20yr savings

Side-by-Side Comparison

MetricKentuckyMaryland
Peak Sun Hours4.1 hrs4.3 hrs
Cost per Watt$3.05$3.10
6kW System Cost$18,300$18,600
Federal Tax Credit30%30%
State Tax CreditNoneNone
State RebateNone$1,000
Net MeteringNo Net MeteringFull Net Metering
Electricity Rate13.19¢/kWh16.57¢/kWh
Payback Period12 years8.5 years
20-Year Savings$24,600$36,400

Verdict

Maryland is the better state for solar ROI with $36,400 in 20-year savings and a 8.5-year payback period. Maryland has more sun exposure at 4.3 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 Kentucky or Maryland?

Maryland gets more sun (4.3 peak hours/day vs 4.1). Maryland has a faster payback (8.5 years) and Maryland offers higher 20-year savings ($36,400).

How do solar costs compare between Kentucky and Maryland?

A 6kW system costs $18,300 in Kentucky vs $18,600 in Maryland before incentives. Both qualify for the 30% federal tax credit.

Explore More

Was this data helpful?

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