Wind turbines harness the wind—a clean, free, and widely available renewable energy source—to generate electric power.
The animation on this website is interactive. You can start and stop the turbine’s movement, hover over parts to see their description, and use the icons in the lower right corner of the animation to switch views.
https://www.energy.gov/eere/wind/animation-how-wind-turbine-works
Source: US Department of Energy