Aust Severn Powerline Crossing

Aust Severn Powerline Crossing is the longest powerline span in the United Kingdom with a span width of 1,618 m (5,308 ft).[1]

Eastern pylon at Aust, photographed from the Severn Bridge
Western pylon at Beachley

History

The crossing spans the River Severn between Aust and Beachley and is part of the National Grid.

It was commissioned in 1959,[2] and comprises two 275 kV electricity circuits, which form part of the 275 kV Iron Acton to Whitson line.[3]

Construction

It is situated south of the Severn Bridge and was built by J. L. Eve Construction, which became Eve Group, and is now Babcock Networks. It is mounted on two pylons, each 148.75 m (488.0 ft) tall. The pylon on the Aust side of the River Severn stands on a caisson accessible via a small bridge.

Walkway to the Aust pylon
Point Coordinates
(links to map & photo sources)		 Notes
Aust pylon 51.6026°N 2.6332°W / 51.6026; -2.6332 (Aust pylon)
Mid-point 51.60578°N 2.64136°W / 51.60578; -2.64136 (Mid-point)
Beachley pylon 51.6102°N 2.6531°W / 51.6102; -2.6531 (Beachley pylon)
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See also

References
  1. "Electricity pylons". GLIAS. Archived from the original on 10 March 2007. Retrieved 2 April 2007.
  2. Electricity Council (1987). Electricity supply in the United Kingdom: a chronology. London: Electricity Council. pp. 77–8. ISBN 085188105X.
  3. "Open Infrastructure Map". Open Infrastructure Map. Retrieved 20 March 2020.

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