▁reached ▁in ▁November ▁ 2 0 0 9 . ▁ ▁Const ruction ▁of ▁a ▁ 2 7 ▁tur bine ▁wind ▁farm ▁using ▁ 2 . 3   MW ▁tur b ines ▁began ▁in ▁February ▁ 2 0 1 1 , ▁with ▁commission ing ▁initially ▁expected ▁for ▁ 2 0 1 2 . ▁Tur bine ▁found ations ▁were ▁to ▁be ▁up ▁to ▁ 5 . 5 m ▁diameter ▁mon op iles ▁either ▁d ril led ▁and / or ▁p iled ▁up ▁to ▁a ▁depth ▁of ▁ 3 5 m . ▁Inter ▁tur bine ▁elect rical ▁connections ▁and ▁the ▁connection ▁to ▁shore ▁were ▁to ▁be ▁energ ised ▁at ▁ 3 3 k V . ▁ ▁The ▁first ▁tur bine ▁was ▁installed ▁by ▁January ▁ 2 0 1 3 , ▁delayed ▁by ▁half ▁a ▁year ▁from ▁the ▁original ▁expected ▁installation ▁date ; ▁by ▁April ▁ 2 0 1 3 ▁ 1 7 ▁tur b ines ▁had ▁been ▁installed ▁with ▁three ▁tur b ines ▁oper ational ▁and ▁connected ▁to ▁and ▁supp lying ▁power ▁into ▁the ▁UK ▁electric ity ▁grid . ▁Install ation ▁of ▁the ▁ 2 7 ▁tur b ines ▁was ▁complete ▁by ▁June ▁ 2 0 1 3 . ▁The ▁wind ▁farm ▁was ▁officially ▁opened ▁in ▁April ▁ 2 0 1 4 . ▁ ▁At ▁the ▁end ▁of ▁the ▁ 2 2 ▁year ▁Crown ▁Est ate ▁le ase ▁the ▁wind ▁farm ▁is ▁expected ▁to ▁be ▁de comm ission ed ▁by ▁the ▁developer . ▁ ▁See ▁also ▁ ▁South ▁G are ▁& ▁Co ath am ▁S ands