London Array

wind farm in the outer Thames Estuary in the United Kingdom

The London Array is an 175 turbine 630 MW offshore wind farm located 20 km off the Kent coast in the outer Thames Estuary in the United Kingdom. At the time of its construction it was the largest offshore wind farm in the world.

London Array
London Array from Air 2019.jpg
The London Array as seen from an aeroplane flying in to London City Airport
CountryUnited Kingdom
Location7 mi (11 km) off North Foreland, Kent
Coordinates51°38′38″N 1°33′13″E / 51.6439°N 1.5536°E / 51.6439; 1.5536
Commission dateApril 2013
Construction cost£1,800 million
Owner(s)Caisse de dépôt et placement du Québec
Wind farm
Max. water depth25 m
Distance from shore20 km
Hub height87 m
Rotor diameter120 m
Site area122 km2 (47 sq mi)
Power generation
Units operational175 × 3.6 MW
Make and modelSiemens Wind Power SWT-3.6-120
Nameplate capacity630 MW
Capacity factor45.3% (2015)[1]
Annual net output2,500 GWh (2015)
External links
CommonsRelated media on Commons

Construction of phase 1 of the wind farm began in March 2011 and was completed by mid 2013, being formally opened by the Prime Minister of the United Kingdom, David Cameron, on 4 July 2013.

The second phase of the project was refused planning consent in 2014 due to possible impacts on sea birds.


  1. "London Array breaks offshore production record". Archived from the original on 11 January 2016. Retrieved 11 January 2016.