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Business Daily

The sea they plan to cover in turbines

Business Daily

BBC

Business

4.4816 Ratings

🗓️ 28 November 2019

⏱️ 19 minutes

🧾️ Download transcript

Summary

Offshore wind power is about to hit the big time in northern Europe, yet 20 years ago many saw the plan to build such complex engineering in the middle of the sea as madness.

Laurence Knight investigates how the North Sea - once famous for its oil and gas industry - has now become the global centre for a carbon-free energy industry.

Wind enthusiast Dr Robert Gross of Imperial College London talks about the colossal scale of modern turbines. Mud enthusiast Dr Carol Cotterill of the British Geographical Survey describes the Ice Age landscape she has helped explore at the bottom of the sea. And sea enthusiast Michiel Muller of the North Sea Wind Power Hub describes his consortium's plan to build islands and generate lots of hydrogen.

(Picture: Wind turbines of the Thorntonbank offshore wind farm in the North Sea at sunset; Credit: Arterra/Universal Images Group via Getty Images)

Transcript

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0:00.0

Hello and welcome to Business Daily. I'm Lawrence Knight. Today I'll be asking whether Europe's North Sea is about to become a clean energy powerhouse.

0:10.8

For the North Sea countries, we foresee 45% of the total energy demand being covered by offshore wind alone. It's big, urgent and we need to start quickly.

0:19.6

Yes, coast-to-coast wind turbines could help Europe go carbon neutral.

0:24.0

But can it happen quickly enough, given the serious engineering challenges involved?

0:28.8

This is a rotating structure in the sea that's operational in all weathers,

0:34.4

that you effectively mount on the seabed by banging a giant foundation into the sand

0:39.2

and then bolting a huge steel tower to the top of that.

0:42.9

That's the future of Imperial College in London.

1:02.9

It's quite a surprising sight here.

1:04.6

I'm standing next to basically a very, very long glass box full of water,

1:10.1

and waves are running the full length of the box.

1:13.7

And I'm here with Robert Gross.

1:17.1

Robert, you're with Imperial College.

1:18.9

Where are we here?

1:20.0

Yeah, I'm Dr. Robert Gross.

1:21.4

I'm a specialist in energy and environmental policy and technology at Imperial College.

1:26.8

We're in the hydrodynamics lab looking at some of their fantastic wave generating equipment.

1:33.7

This one was standing next to is kind of a long, narrow channel.

1:36.9

It's about 30 metres long.

1:38.6

There's something else over here. What's this?

1:40.7

Okay, so this is the main basin.

1:43.4

It's basically a large swimming pool that's used for commercial testing of marine structures.

...

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