- According to Energy Information Administration, wind turbines have grown taller and more powerful in the last ten years.
- Texas is leading the U.S by having the largest onshore wind farm.
- Wind speeds are frequently higher as you get further above the ground, producing more electricity.
Wind turbines in the United States have grown both taller and stronger over the past decade, according to analysis by the Energy Information Administration (EIA).
Today, the weighted average wind turbine in the United States is about 280 feet (~85 meters) tall with an electricity generating capacity of just over 2 Megawatts (MW). According to the EIA’s analysis, the biggest wind turbines can currently be found generating in the Block Island Wind Farm in Rhode Island. This wind farm is the only operating offshore wind farm in the United States, though two projects – in Ohio and Virginia – are slated to come online in the next few years.
On land, Texas is standing tall, with the largest onshore wind turbines found in the United States at 4 MW each. The Lone Star State is also home to the Horse Hollow Wind Energy Center, which is currently the world’s largest wind farm with its 420 wind turbines, which are spread out across 47,000 acres. All told, the Horse Hollow wind farm has an electricity generating capacity of 735 MW.
This trend toward taller wind turbines matters because wind speeds are frequently higher as you get further above the ground. So, taller turbines mean more electricity from wind power.
In the photos above from the National Renewable Energy Laboratory (NREL), one can see average wind speeds in the United States at 30 meters (~98 feet) from the ground, 80 meters (~262 feet), and a bit higher at 100 meters (~328 feet).
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