A debate over whether it is best to harness wind energy with horizontal-axis devices or vertical-axis devices has raged for thousands of years. Even how the technologies evolved is under some dispute.

The type of wind turbine you’re used to seeing in stock photos of wind farms is called a horizontal axis wind turbine (or, HAWT). But there is another form of wind power, called a vertical axis wind ...

As wind power companies venture into ever-deeper waters, the traditional windmill-style turbine may not be the most suitable solution. It’s time to look at alternatives. Wind turbines traditionally ...

If you picture a typical wind turbine, it'll probably look like a giant, triple-bladed fan. Called a horizontal-axis wind turbine, it is by far the most common way to harness energy from the wind, but ...

Forbes contributors publish independent expert analyses and insights. Llewellyn King has been a player in the energy space since 1970. Jimmy Dean, the country musician, actor and entrepreneur, ...

What is the image that pops into your mind when you hear the word ‘windmill’? Hilltops where the wind blows hard, long shafts of the windmill fitted with horizontal blades rotating vigorously in the ...

Discover the future of wind energy with our in-depth comparison between vertical axis wind turbines (VAWTs) and traditional ...