TurbinePayback

Wind Turbine Payback in Wayne County, OH

Wind turbine payback in Wayne County

No. The turbine wears out before it pays for itself.

At 30 m, the height a home turbine tower usually reaches, the wind in Wayne County, OH averages 5.65 m/s (12.6 mph). A 10 kW turbine there would make about 17,126 kWh a year, worth $3,221 at OH's 18.81¢/kWh. Against an installed cost of about $100,000, that is a payback of 31 years, and the turbine is built to last about 20.

What to do in Wayne County

A home turbine is not worth buying for savings in Wayne County unless your spot is far windier than the county average, 6.9 m/s at the hub against 5.65 m/s here. Per kW, solar panels would make about 1,110 kWh a year here against the turbine's 1,713, so get a solar quote first.

What would have to change

Against the rest of OH

Wayne County is the 1,147th windiest of 3,144 US counties at turbine height; the national middle is 4.79 m/s. The windiest in OH is Lake County at 6.53 m/s, payback 23 years.

Month by month in Wayne County

January is the strongest month here, at 6.72 m/s and about 2,123 kWh. August is the weakest, 4.29 m/s and 692 kWh, so the best month makes 3.1 times the worst. November to March brings in 54% of the year's output in Wayne County.

MonthWind at 30 mOutputWorth
January6.72 m/s2,123 kWh$399
February6.52 m/s1,808 kWh$340
March6.30 m/s1,862 kWh$350
April6.34 m/s1,824 kWh$343
May5.31 m/s1,244 kWh$234
June4.84 m/s945 kWh$178
July4.34 m/s713 kWh$134
August4.29 m/s692 kWh$130
September4.79 m/s917 kWh$172
October5.87 m/s1,589 kWh$299
November6.26 m/s1,775 kWh$334
December6.34 m/s1,885 kWh$355

What a taller tower would buy

Measured at 10 m the wind in Wayne County averages 4.37 m/s; at 50 m it is 6.37 m/s. That gives a shear exponent of 0.234, typical of ordinary open country. Going from 20 m to 50 m takes output from 13,495 to 22,447 kWh a year, 66% more, before counting the extra cost of the taller tower. Why tower height decides it explains the shear behind these numbers.

Hub heightAverage windOutputPayback
20 m5.14 m/s13,495 kWh39 years
30 m5.65 m/s17,143 kWh31 years
40 m6.05 m/s20,044 kWh27 years
50 m6.37 m/s22,447 kWh24 years

Counties around Wayne County

1 of the 6 closest counties is windier at turbine height; the windiest, Ashland County, averages 6 m/s.

Sun versus wind in Wayne County

Wayne County gets 3.8 kWh of sunshine per square metre a day on average. One kW of solar panels here would make roughly 1,110 kWh a year; one kW of the turbine above makes 1,713. This is one of the rare places where a kilowatt of turbine out-produces a kilowatt of panels, by 1.5 times. Panel output assumes an 80% system performance ratio. Wind or solar runs the same comparison for every county.

How this is worked out

Wind is NASA's Power climate record, the 2001-2025 average at 10 m and 50 m for the county's centre, carried to 30 m with this county's own measured wind shear and spread into hours with a Rayleigh distribution. The turbine is a generic 10 kW, 7 m rotor machine with 10% losses. Cost is $10,000 per kW installed with no tax credit, because the federal one ended in 2025. One county-centre number cannot see your hilltop or your tree line, so treat it as the starting point for a site survey, not a substitute. The full method and its weak spots are in how the numbers are made.