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How big are they, exactly?

Well, for the turbine pictured here, the three blades that make up the rotor are ~140 feet long each and the nacelle that sits on top of the tower is ~265 feet in the air. That’s the size equivalent of a football field, spinning on top of a 26-story building!

Notice how small the crane to the left looks in comparison to the turbine? The crane is in an upright position (or “boomed”) at ~85 feet in the air (or as tall as the length of a blue whale!).

Learn more about how One Energy constructs these big turbines on page 4.7 How to Build a Wind Turbine