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Massachusetts vs Oklahoma Solar Comparison

Oklahoma gets more sun (5.1 hrs/day) while Massachusetts has the faster payback (6 years).Massachusetts offers higher 20-year savings at $54,800.

Massachusetts

3.8 hrs

6yr payback

$54,800

20yr savings

Oklahoma

5.1 hrs

10.5yr payback

$28,400

20yr savings

Side-by-Side Comparison

MetricMassachusettsOklahoma
Peak Sun Hours3.8 hrs5.1 hrs
Cost per Watt$3.40$2.95
6kW System Cost$20,400$17,700
Federal Tax Credit30%30%
State Tax Credit15%None
State Rebate$1,000None
Net MeteringFull Net MeteringPartial Net Metering
Electricity Rate28.58¢/kWh12.82¢/kWh
Payback Period6 years10.5 years
20-Year Savings$54,800$28,400

Verdict

Massachusetts is the better state for solar ROI with $54,800 in 20-year savings and a 6-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 Massachusetts or Oklahoma?

Oklahoma gets more sun (5.1 peak hours/day vs 3.8). Massachusetts has a faster payback (6 years) and Massachusetts offers higher 20-year savings ($54,800).

How do solar costs compare between Massachusetts and Oklahoma?

A 6kW system costs $20,400 in Massachusetts 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