Nacelle (wind turbine)

A nacelle /nəˈsɛl/ is a cover housing that houses all of the generating components in a wind turbine, including the generator, gearbox, drive train, and brake assembly.[1]

A notable feature now found on some off-shore wind turbines is a large sturdy helicopter-hoisting platform built on top of the nacelle, capable of supporting service personnel and their tools, winched down to the platform from a helicopter hovering above it.[2] Wind turbine rotors are stopped, feathered and locked before personnel are dropped down to or picked up from the platforms.

Production

The European company Nordex produces nacelles in Rostock, Germany and has been producing nacelles at Barásoain, in Navarre, Spain..[3] As of 2024 it was due to restart production at its nacelle manufacturing plant in West Branch, Iowa.[4] As of February 2025, the company stuck to its plans despite the anti- wind executive orders of the second Trump administration.[5]

References

  1. ^ "How Wind Turbines Work". US Department of Energy. 30 November 2006.
  2. ^ Eize de Vries. Close up: Alstom Haliade 6MW Prototype, Windpower Monthly, 11 July 2012.
  3. ^ The Nordex Group in Spain
  4. ^ [1] Nordex to restart nacelle production at Iowa factory
  5. ^ Nordex CEO 'sticking to US factory plans' despite Trump uncertainty
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