Your browser is no longer supported

For the best possible experience using our website we recommend you upgrade to a newer version or another browser.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

London power tunnels phase 1 3to2

Call for contractor interest in £100M tunnel under Menai Strait

National Grid has called for contractors to express interest in works on a pipeline of major cable tunnel projects including a £100M tunnel under the Menai Strait and a 33km power tunnel line in south London.

Subscribe for full online access and get...

  • Full, instant access to all stories
  • Customised email alerts straight to your inbox
  • Monthly print magazine

Register for guest access to keep reading and get..

  • A free taste of other selected news stories
  • Daily email newsletters


Already have a subscription or ICE membership? or