horizontal-axis wind turbine

The most common type of wind turbine; its axis positions itself in the direction of the wind.

hub

Part of the rotor to which the blades are attached; it turns the low-speed shaft.

nacelle

Metal structure that encloses and protects the main mechanical elements of the wind turbine (including the gearbox and the alternator).

blade

Aerodynamic part that is attached to the hub; the force of the wind causes it to rotate to drive the rotor.

tower

Tower that reaches 260 ft in height; it supports the nacelle and rotor and houses the electric cables.