650 feet! That's as tall as 113 average-height American men stacked on top of each other. That's the size of a 54-story building. In other words, that's huge. But why?
Who says wind power isn't efficient? Enercon, Germany's largest wind turbine manufacturer, has just unveiled the E112, the most powerful turbine in the world. With a span of a whopping 367 feet, this monster can power 4,000 homes at once.