Stock photography, photos: Wind Turbines - Oahu, Hawaii Stock photos of The world's largest wind turbines are on the island of Oahu, Hawaii. The windmills have two blades, 400 feet long, on the top of a tower, which is 20 stories high. Oahu Wind Farm ˆ Hawaii. Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: energy, power, electricity, electric, wind power, wind turbine, oahu, Hawaii, wind, turbine