TurbinePayback

Wind Turbine Payback in Raleigh County, WV

Wind turbine payback in Raleigh 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 Raleigh County, WV averages 3.4 m/s (7.6 mph). A 10 kW turbine there would make about 3,942 kWh a year, worth $614 at WV's 15.58¢/kWh. Against an installed cost of about $100,000, that is a payback of over 100 years, and the turbine is built to last about 20.

What to do in Raleigh County

A home turbine is not worth buying for savings in Raleigh County unless your spot is far windier than the county average, 7.7 m/s at the hub against 3.4 m/s here. Per kW, solar panels would make about 1,183 kWh a year here against the turbine's 394, so get a solar quote first.

What would have to change

Against the rest of WV

Raleigh County is the 2,625th windiest of 3,144 US counties at turbine height; the national middle is 4.79 m/s. The windiest in WV is Preston County at 3.73 m/s, payback over 100 years.

Month by month in Raleigh County

January is the strongest month here, at 4.12 m/s and about 613 kWh. August is the weakest, 2.51 m/s and 116 kWh, so the best month makes 5.3 times the worst. November to March brings in 62% of the year's output in Raleigh County.

MonthWind at 30 mOutputWorth
January4.12 m/s613 kWh$96
February4.25 m/s606 kWh$94
March4.10 m/s602 kWh$94
April3.96 m/s522 kWh$81
May3.20 m/s276 kWh$43
June2.80 m/s169 kWh$26
July2.58 m/s129 kWh$20
August2.51 m/s116 kWh$18
September2.77 m/s163 kWh$25
October3.24 m/s287 kWh$45
November3.53 m/s366 kWh$57
December3.85 m/s497 kWh$77

What a taller tower would buy

Measured at 10 m the wind in Raleigh County averages 2.1 m/s; at 50 m it is 4.26 m/s. That gives a shear exponent of 0.439, typical of rough, sheltered ground: trees or buildings slow the low wind a lot. Going from 20 m to 50 m takes output from 2,176 to 7,953 kWh a year, 265% 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 m2.85 m/s2,176 kWhover 100 years
30 m3.4 m/s3,958 kWhover 100 years
40 m3.86 m/s5,906 kWhover 100 years
50 m4.26 m/s7,953 kWh81 years

Counties around Raleigh County

2 of the 6 closest counties are windier at turbine height; the windiest, Wyoming County, averages 3.53 m/s.

Sun versus wind in Raleigh County

Raleigh County gets 4.05 kWh of sunshine per square metre a day on average. One kW of solar panels here would make roughly 1,183 kWh a year; one kW of the turbine above makes 394. Kilowatt for kilowatt, panels make 3.0 times as much here as the turbine. 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.