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It's the world's largest land and sea power cable between countries.

It's called the Viking Link.

All the infrastructure and engineering in place to allow it to happen, yeah, it's truly remarkable.

So you're the man that laid this cable from Denmark

to the UK? Yes, I'm one of many who have been involved in installing this fantastic project.

The idea is to switch energy in either direction from an area that has too much electricity

to one that has too little. If we look at actually what happens day to day hour to hour, it's not a straight story of import.

In fact, today...

It's moving around all the time.

Exactly.

So what I can tell you today is that we will be exporting on some of our links during the breakfast time where UK prices are cheap.

But you could have people in France sat down at the table for longer,

having a nice family breakfast because that's their working patterns.

But will it bring down costs?

And what about the security of subsea power cables generally after reports of multiple accounts of sabotage?

I would be lying if I told you I wasn't worried.

Of course I am. Because we do every

possible effort to have proper surveillance on the links. You cannot protect a transmission

infrastructure from sabotage. You can't protect it. It's just impossible. To make a full

...