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.

History

The crossing spans the River Severn between Aust and Beachley and is part of the National Grid.
It was commissioned in 1959, and comprises two 275 kV electricity circuits, which form part of the 275 kV Iron Acton to Whitson line.

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 tall. The pylon on the Aust side of the River Severn stands on a caisson accessible via a small bridge.