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Eastern pylon at Aust, photographed from the Severn Bridge
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Western pylon at Beachley
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]
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.
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Walkway to the Aust pylon
| Point | Coordinates (links to map & photo sources) | Notes |
|---|---|---|
| Aust pylon | 51°36′09″N 2°38′00″W / 51.6026°N 2.6332°W | |
| Mid-point | 51°36′21″N 2°38′29″W / 51.60578°N 2.64136°W | |
| Beachley pylon | 51°36′37″N 2°39′11″W / 51.6102°N 2.6531°W |
See also
- List of spans
- Powerline river crossings in the United Kingdom
- Crossings of the River Severn
- Crossings of the River Wye
- Severn-Wye Cable Tunnel
References
- ^ "Electricity pylons". GLIAS. Archived from the original on 10 March 2007. Retrieved 2 April 2007.
- ^ Electricity Council (1987). Electricity supply in the United Kingdom: a chronology. London: Electricity Council. pp. 77–8. ISBN 085188105X.
- ^ "Open Infrastructure Map". Open Infrastructure Map. Retrieved 20 March 2020.