Vestas V164

The Vestas V164-8MW is a three bladed offshore wind turbine, produced by Vestas, with a world-record 8-9 megawatt nameplate capacity. The first prototype unit was operated at Østerild in northern Denmark in January 2014, and the first industrial units were installated in 2016 at Burbo, off the west coast of the UK.

From 2014 to 2017, this offshore turbine has the largest installed 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.

Originally called the Vestas V164-7.0MW, at 7.0 MW, the output was increased to 8.0 MW, later to 9.0 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. 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 metres long and 7 metres 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 metres. It became operational in January 2014. In 2014, it produced a record 192 MWh in 24 hours due to favourable winds. This was succeded by another record 216 MWh in 24 hours in 2017.

The model was shifted from prototype to production in 2014, when DONG Energy ordered 32 turbines (256 MW) for the extension of the 90 MW Burbo Bank Offshore Wind Farm. The nacelles will be produced at the former Odense Steel Shipyard, while the blades are made at Vestas' Isle of Wight facilities. Assembly will take place in Belfast. Installation began in 2016.

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