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Kentucky vs Oklahoma Solar Comparison

Oklahoma gets more sun (5.1 hrs/day) while Oklahoma has the faster payback (10.5 years).Oklahoma offers higher 20-year savings at $28,400.

Kentucky

4.1 hrs

12yr payback

$24,600

20yr savings

Oklahoma

5.1 hrs

10.5yr payback

$28,400

20yr savings

Side-by-Side Comparison

MetricKentuckyOklahoma
Peak Sun Hours4.1 hrs5.1 hrs
Cost per Watt$3.05$2.95
6kW System Cost$18,300$17,700
Federal Tax Credit30%30%
State Tax CreditNoneNone
State RebateNoneNone
Net MeteringNo Net MeteringPartial Net Metering
Electricity Rate13.19¢/kWh12.82¢/kWh
Payback Period12 years10.5 years
20-Year Savings$24,600$28,400

Verdict

Oklahoma is the better state for solar ROI with $28,400 in 20-year savings and a 10.5-year payback period. Oklahoma has more sun exposure at 5.1 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 Oklahoma?

Oklahoma gets more sun (5.1 peak hours/day vs 4.1). Oklahoma has a faster payback (10.5 years) and Oklahoma offers higher 20-year savings ($28,400).

How do solar costs compare between Kentucky and Oklahoma?

A 6kW system costs $18,300 in Kentucky vs $17,700 in Oklahoma before incentives. Both qualify for the 30% federal tax credit.

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