NREL researchers examine potential of taller turbine towers

By Michelle Froese Higher hub heights make it possible to cost-effectively tap wind resources beyond the reach of today’s typical turbines. (Photo: Lee Jay Fingersh, NREL)
In a new study by the National Renewable Energy Laboratory (NREL), Increasing Wind Turbine Tower Heights: Opportunities and ChallengesPDF, researchers examine opportunities for increasing the height of wind turbine hubs — where the turbine drivetrain and rotors attach — and the conditions and locations where taller towers would have the most impact.
Taller towers can tap stronger wind resources that exist at higher levels, beyond the reach of today’s typical turbines. Higher hubs on wind turbines also reduce interference

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