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Vestas V164

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Through Watt, United Kingdom and Tonne

Specifications

Since 2014 this offshore turbine has had the largest power generation capacity, with diameter of rotor 164 metres (538 ft) and swept area 21,124 square metres (227,380 sq ft). Each blade weighs 33—35 tonnes. Lead developer was Torben Hvid Larsen.

Originally called the Vestas V164-7.0MW, at 7.0 MW, the output was increased to 8.0 MW, later to 9.0 MW. In 2017 the turbine capacity was upgraded to 9.5 MW. The next largest wind turbines and competitors to the V164 are the Siemens Wind Power SWT-8.0-154 and Adwen AD 8-180 offshore turbines with a rated capacity of 8 MW, and the prototypes of the French 12—14 MW GE Haliade and the 16 MW MingYang. The Enercon E-126 turbine is rated up to 7.58 MW, but only installed onshore.

Starting November 2013, a prototype was installed at Østerild test station. The bottom tower sections weighs over 200 tonnes and is 24 meters long and 7 meters in diameter. The nacelle weighs 390 tonnes. The turbine weighs 1,300 tonnes and the foundation weighs 4,000 tonnes. The total height is 220 m (720 ft). It became operational in January 2014. Later that year favourable winds allowed it to sustain its rated 8 MW power for 24 hours for a record one-day production of 192 MWh. In 2017 the 9 MW version did the same for a new one-day production record of 216 MWh.

At the September 2018 Global Wind Summit, MHI Vestas announced the V164-10.0 MW. The increase in performance was achieved through "a small design change to enhance airflow and increase cooling in the converter". The first 10 MW was installed at Seagreen in Scotland in December 2021.

A later version nicknamed BlueMarlin, the 15 MW V236 with side-mounted converters, is scheduled for 2024.

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