Each turbine is expected to generate around 67 gigawatt-hours (GWh) of electricity annually—enough to offset nearly 42,000 metric tons of CO₂ compared to coal-fired power plants. The secret lies in its massive size and advanced blade technology. It's the beating heart of the most powerful wind turbine on Earth. Standing over 260 meters tall when fully assembled with blades stretching 107 meters long—each longer than a football field—the Haliade-X has a rated capacity of 12 megawatts (MW), enough to power more than 16,000 average European. This is a list of the most powerful wind turbines. It sits in the arid desert lands of Gansu. Starting from small, kilowatt-scale machines used historically for irrigation and grain grinding, modern commercial turbines now achieved power ratings up to 26 MW and rotor diameters exceeding 300 meters. Here are some more stats: The central tower.