Aust Severn Powerline Crossing

Eastern pylon at Aust, photographed from the Severn Bridge

Aust Severn Powerline Crossing is the longest overhead power line span in the United Kingdom with a length 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.

Map all coordinates using OpenStreetMap

Download coordinates as:

Point	Coordinates (links to map & photo sources)	Notes
Aust pylon	51°36′09″N 2°38′00″W / 51.6026°N 2.6332°W / 51.6026; -2.6332 (Aust pylon)
Mid-point	51°36′21″N 2°38′29″W / 51.60578°N 2.64136°W / 51.60578; -2.64136 (Mid-point)
Beachley pylon	51°36′37″N 2°39′11″W / 51.6102°N 2.6531°W / 51.6102; -2.6531 (Beachley pylon)

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.

51°36′21″N 2°38′29″W / 51.60578°N 2.64136°W / 51.60578; -2.64136

[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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v t e National Grid
Facilities	275 kV Forth Crossing 400 kV Thames Crossing Aust Severn Powerline Crossing Blackhillock Substation BritNed Fawley Tunnel Gridlink Interconnector Huddersfield Narrow Canal Pylon HVDC Cross-Channel HVDC Kingsnorth (dismantled) Severn-Wye Cable Tunnel
Events	2003 London blackout
Related	Central Electricity Generating Board Electricity (Supply) Act 1926 High-voltage substations in the United Kingdom Lattice Group National Grid plc National Grid Reserve Service Niagara Mohawk Power Corporation Record of Inter System Safety Precautions Registered power zone TV pickup

v t e River Severn, Great Britain
Administrative areas	Powys Shropshire Worcestershire Gloucestershire Monmouthshire South Gloucestershire Bristol North Somerset Somerset Newport Cardiff Vale of Glamorgan
Settlements	Llanidloes Newtown Welshpool Shrewsbury Ironbridge Bridgnorth Bewdley Stourport Worcester Tewkesbury Gloucester Berkeley Chepstow Avonmouth
Major tributaries	River Vyrnwy River Tern Cound Brook River Stour River Teme Warwickshire Avon River Wye Bristol Avon River Usk
Flows into	Severn Estuary Bristol Channel
Linked canals	Staffordshire & Worcestershire Worcester & Birmingham Droitwich Herefordshire & Gloucestershire Thames & Severn Coalport Gloucester & Sharpness Stroudwater Navigation Coombe Hill
Major crossings	Welsh Bridge English Bridge The Iron Bridge Mythe Bridge Over Bridge Prince of Wales Bridge Severn Bridge Aust Severn Powerline Crossing Severn Tunnel All crossings of the River Severn
Longest rivers of the United Kingdom Severn Thames Trent Great Ouse Wye Ure/Ouse Tay Spey Clyde Tweed Avon Nene Eden Dee

Aust Severn Powerline Crossing

History

Construction

See also

References

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Aust Severn Powerline Crossing

History

Construction

See also

References

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