The Docklands Light Railway operated in parts but not between Canning Town and Beckton or Shadwell and Bank.

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The Docklands Light Railway has also been operating, except between Canning Town and Beckton and between Shadwell and Bank.

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Presenting sweeping views of the city skyline, the greenway runs east to Beckton and, after the summer, will connect westward to a full loop around the city via Islington and the Regent's Canal.

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The water company has agreed to buy 75 GWh of this output to run Beckton sewage works, which serves 3.5 million people, and the nearby desalination plant, operated in times of drought or other emergencies.

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The grease will be fed into the power station at Beckton in east London, and is set to produce 130 Gigawatt hours (GWh) a year of renewable electricity - enough to run 39, 000 average-sized homes, according to Thames Water.

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