New Cross to Finsbury Market Cable Tunnel

The New Cross to Finsbury Market Cable Tunnel is a 5.7-kilometre (3.5 mi) long, 2.85-metre (9 ft 4 in) diameter tunnel beneath London which carries power distribution cables for UK Power Networks as part of the London power distribution network. It was built between 2009 and 2017 by J. Murphy & Sons.[1]

New Cross to Finsbury Market Cable Tunnel
Location
CountryUK
ProvinceGreater London
Ownership information
OwnerUK Power Networks
OperatorUK Power Networks
Construction information
ContractorsJ. Murphy & Sons
Construction cost£27m
Commissioned2017
Technical information
TypeUnderground tunnel
Type of currentAC
Total length5.7 km (3.5 mi)
AC voltage132 kV

The tunnel runs at a depth of 25 to 35 metres (82 to 115 ft), from New Cross substation in Lewisham to Finsbury Market substation in Hackney, close to the edge of the City of London. Along the route, it connects substations at Osborn Street in Whitechapel and Wellclose Square in Wapping, passing beneath the River Thames downstream of Tower Bridge.[2]

The tunnel carries cables operating at a voltage of 132 kV with a capacity of 400 MW - enough to power 130,000 homes.

References

  1. "Final breakthrough for London cable tunnel". TunnelTalk (Press release). 5 July 2016. Retrieved 7 February 2020.
  2. Thomas, Tris (28 November 2012). "London Cable Breakthrough". Tunnelling Journal. Retrieved 7 February 2020.

See also

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