Kier London has finished the Olympic Park primary electrical substation, the first building on the London 2012 facility to be completed.

The station also started supplying electricity in November.

The black brick substation in King's Yard – which was built using 130,000 Himley Ebony Black bricks from Ibstock Brick - will distribute electricity across both the Olympic Park and the Stratford City site through a new electrical network consisting of more than 100km of cabling .

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More than 200 piles were installed up to 19m deep to form the foundations of the 80m x 14m substation, which houses 132 11kV transformers, as well as 11,000 switchgear and auxiliary equipment.

Olympic Delivery Authority Director of Utilities and Infrastructure, Simon Wright, said: "Completing the first building on the Olympic Park site on schedule is a major milestone. The electricity substation will serve the lifetime of the London 2012 project - powering construction work on the Olympic Park site, serving venues during the Games in 2012, and delivering essential new services for generations to come."

(CD/BMcc)