The Anonymous Widower

World’s Largest-Of-Its-Kind Power Line To Deliver Clean Power To 1.8m UK Homes And Boost Energy Security

The title of this post, is the same as that as this press release from the UK Government.

These are the three bullet points of the press release.

  • LionLink power line between UK and Netherlands will deliver enough electricity to power more homes than Manchester and Birmingham combined.
  • Agreement made as Grant Shapps leads delegation of leading businesses to key North Sea Summit.
  • Part of renewed Government drive to work with business to help grow the economy.

These three paragraphs outline the project.

The world’s largest multi-use electricity power line will be built under the North Sea, boosting UK energy supplies with enough to power 1.8 million homes – more than Birmingham and Manchester combined.

The new LionLink will connect the UK and the Netherlands with offshore wind farms, providing clean affordable and secure energy to Britain which will help cut household bills and drive Putin’s Russia further out of the energy market.

The cross-border electricity line will be only the second of its kind in the world, with the first having been built by Germany and Denmark. However, it will be able to carry more than four times the amount of electricity as its predecessor – making it the largest of its kind in terms of capacity anywhere in the world.


  1. I suspect the LionLink will go via the Dogger Bank, where Danish, Dutch, German and UK territorial waters meet an we are already building 8 GW of fixed foundation offshore wind. The other countries are also active in the area.
  2. The press release doesn’t mention, where the LionLink will make landfall in the UK.
  3. Much of the connection will probably use the cables being laid for the Dogger Bank wind farms.
  4. There is also no mention of the North Sea Wind Power Hub, which could be an artificial island on the Dogger Bank.

There is also a press release on the National Grid web site, which is entitled National Grid And TenneT Collaborate On Proposed First-Of-A-Kind Anglo-Dutch Electricity Link, which gives more details.

  • The capacity is stated to be 2 GW.
  • Like the current BritNed interconnector, the project will be a cooperation between National Grid And TenneT.
  • TenneT is a limited liability company owned by the Dutch government, that is a transmission system operator in the Netherlands and in a large part of Germany.

There is also a diagram, showing how the LionLink will work, which includes these components.

  • On the Dutch side, there is an offshore AC>DC Converter Station, which is connected to the Dutch electricity grid and one or more offshore wind farms.
  • Across the border between the Dutch and UK Exclusive Economic Zones, there will be a HVDC cable.
  • The HVDC cable will terminate in an onshore DC>AC Converter Station in the UK, which will be connected to the UK electricity grid.

No details of the two landfalls have been given.

More information is given in this article on, which is entitled UK And Netherlands Unveil Multi-Purpose Interconnector Plans.

  • This shows a map of the North Sea with an interconnector running in a straight line between possibly Rotterdam and Bacton in Norfolk.
  • A wind farm is shown connected to this interconnector.

This paragraph describes the windfarm and the interconnector.

LionLink, a multi-purpose interconnector that was announced today at the North Sea summit, could connect a Dutch offshore wind farm with a capacity of 2 GW to both countries via subsea interconnectors.

If the wind farm has a capacity of 2 GW, I would assume it can supply up to 2 GW to the UK and The Netherlands.

This is a classic system, that can be optimised by the application of sound principles.

All electricity generated by the wind farm must be used, stored or converted into green hydrogen.

Electricity will be distributed as to need.

Energy storage  or electrolysers could be sited at either end or even in the wind farm.

I would suspect that more wind farms could be connected to the interconnector.

The team, that write the control system for the grid will have a lot of fun!


I have a feeling that National Grid and TenneT have taken a long hard commercial look at the electrical and financial performance of BritNed over the last year and decided, that a second connection would be to the mutual benefit of both companies, their customers and the UK and The Netherlands in general.

It would also be twice as difficult for terrorists sponsored by Putin to cut two cables.


This is a great leap forward for wind power in the North Sea and Europe.

April 24, 2023 - Posted by | Energy | , , , , , , , , , , , , , ,


  1. According to the landfall sites haven’t been decided yet. AFAICS this project is still in its infancy, and a lot of the details are still under discussion. It links with a Dutch wind farm.

    All part of a much larger plan to interconnect offshore wind with all neighbouring countries, mainly North Sea, but Ireland is also involved. The meeting today is apparently the second – GB was excluded from the first because of some spat over Brexit.

    Comment by Peter Robins | April 24, 2023 | Reply

    • It’s been going a long time.

      Just found out that National Grid put up a press release yesterday.

      Sneaky to do it on a Sunday.

      Comment by AnonW | April 24, 2023 | Reply

    • Was the UK excluded or did it exclude itself? Perhaps another sign that the government is seeking better relations with the EU after the hostility shown to them during the Johnson years.

      Comment by JohnC | April 24, 2023 | Reply

      • I wondered that. But from what I’ve read TenneT, who are the Dutch equivalent of National Grid, were keen to have the UK involved.

        I should be remembered that National Grid jointly own BritNed, which is the existing 1 GW interconnector, and will be owning and financing LionLink, which will triple the capacity between the UK and The Netherlands.

        Have National Grid and TenneT found a profitable investment and would like a bit more of it?

        Comment by AnonW | April 24, 2023

      • According to an article in the Times today “The talks will be chaired by Alexander De Croo, the Belgian prime minister, in the second meeting of its kind after a Brexit dispute with the European Commission had led to Britain being excluded last year.”

        It should be said that the Grid has always been clear that it wants connectors with all neighbouring countries, and also wants multi purpose ones that connect with large wind farms too. These things don’t come cheap though, and require government backing.

        Comment by Peter Robins | April 24, 2023

      • is an op-ed by the various PMs.

        Comment by Peter Robins | April 24, 2023

  2. I don’t think, National Grid have too much trouble financing them, as they seem to own shares in most interconnectors connected to the UK.

    Comment by AnonW | April 24, 2023 | Reply

    • Existing interconnectors are all(?) under Ofgem’s cap and floor regime, a form of government guarantee. I’m not sure investors would be interested without that. Normally, wind farm connectors are one-way, and I would imagine mainly use CfD type contracts. Xlinks is only one-way, so is also looking for CfD. I’m not sure how this will work with the multi-purpose ones, whether they can be used to connect one country with another, or if they’re just wind farm to one country or another. Perhaps that’s something TBD.

      Comment by Peter Robins | April 24, 2023 | Reply

  3. Given all the 1GW+ offshore wind farms that need connecting along the east cost now adding in 1.8GW somewhere isn’t going to be easy without more grid reinforcement so i agree it needs to be hooked up through offshore wind farms so it can export without putting pressure on the grid.

    Comment by Nicholas Lewis | April 24, 2023 | Reply


    150GW of wind power for the N.Sea is goal for 2030 300GW by 2050. Given only 30GW on line currently that is going some. Going to need scale up production and installation capacity to achieve that but at least UK is now a signatory to collaboration and coordination which is critical.

    Comment by Nicholas Lewis | April 24, 2023 | Reply

  5. I feel there’ll be a lot of standardisation between the various companies over wind farms, which should increase production rates. Large wind turbines will also reduce the number of turbines installed. Quite frankly some of the current foundations must be a nightmare to build quickly. There’s also been improvement in substations and conversion between AC and DC.

    I was at the heart of the development of North Sea Oil and Gas last century and project managers were always improving efficiency. It’ll happen again.

    Comment by AnonW | April 24, 2023 | Reply

  6. […] These would connect windfarms between the islands to both the UK and Ireland. National Grid and TenneT are building the LionLink between England and The Netherlands, which I wrote about in World’s Largest-Of-Its-Kind Power Line To Deliver Clean Power To 1.8m UK Homes And Boost Energy Se…. […]

    Pingback by Ireland To Develop National Industrial Strategy For Offshore Wind « The Anonymous Widower | May 10, 2023 | Reply

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.

%d bloggers like this: