A wave of giant turbines appears set to define the offshore wind energy industry for the next decade.The first of its kind,the Haliade-X turbine—designed and built by GE Renewable Energy,headquartered in Paris,France—stands 260 m tall,with a rotor 220 m in diameter,its 107 m blades sweeping an area of 38000 m2(Fig.1).The prototype,built on the harbourside in Rotterdam,the Netherlands(Fig.2),was initially a 12 MW machine,since optimised to 13 MW.Industry certified in November 2020,the turbine produced its first milliwatt hour of electricity in November 2019.The company claims the Haliade-X can produce 45%more energy than any other offshore wind turbine currently in production,generating up to 67 GWh annually,enough to power 16000 homes[1].
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