TenneT, National Grid Ink Joint Development Agreement For LionLink Offshore Wind Interconnector
The title of this post, is the same as that of this article on offshoreWIND.biz.
This is the sub-heading.
Transmission system operators (TSOs) TenneT and National Grid Ventures (NGV) have signed a Joint Development Agreement (JDA) to advance LionLink, a hybrid interconnector linking the UK and the Netherlands via a future offshore wind farm in the Dutch North Sea.
These three paragraphs add more details.
The agreement sets out how the two partners will jointly develop LionLink towards a final investment decision (FID), including arrangements on procurement, governance, and planning, while also aiming to increase transparency on project costs ahead of construction.
LionLink is designed to integrate cross-border electricity interconnection with offshore wind by establishing a direct connection between the two countries through a grid link to the planned Nederwiek 3 offshore wind farm. According to the developers, this approach will maximise the use of offshore wind, provide additional system flexibility, and reduce the overall amount of required offshore infrastructure.
The LionLink project was launched in April 2023, when the Netherlands and the UK unveiled their plan to build the interconnector, a first-of-its-kind electricity link to connect offshore wind between the two countries via interconnections.
The same article also said these two paragraphs about the operation of the BritNed interconnector.
While the companies move forward with LionLink, their existing BritNed interconnector is marking 15 years of operation. Since entering service in 2011, the 1 GW subsea link has enabled nearly 93 TWh of electricity trading between Great Britain and the Netherlands.
Over the past five years, BritNed has exchanged enough electricity annually to power around 1.4 million households. The 260-kilometre interconnector remains a key part of both countries’ energy systems and has generated around EUR 1 billion in auction revenues on the Dutch side during its operational lifetime, TenneT said in a press release on 1 April.
It looks like BritNed has been a good investment for all stakeholders.
Note.
- LionLink will be a 2 GW interconnector.
- LionLink will land at Walberswick in Suffolk.
- LionLink has a web site.
- BritNed is a 1 GW interconnector.
- BritNed lands at the Isle of Grain in Kent.
- BritNed has a web site.
- NemoLink is an interconnector between Kent and Belgium.
- NeuConnect will be a 1.4 GW interconnector between the Isle of Grain and Wilhelmshaven, which will be operational by 2028.
- There are two actual and two proposed interconnectors between the UK and France.
The List of high-voltage transmission links in the United Kingdom in Wikipedia is growing.
The Wikipedia entry says this about the Rise of UK Interconnection.
The Department for Energy Security and Net Zero’s Digest of UK Energy Statistics reports that the UK was a net importer of electricity in 2024, with net imports of 33.4 TWh, up 40% from 2023.
Interconnectors allow the trade of electricity between countries with excess generation (for example, intermittent renewable) and those with high demand. Interconnectors play a key part in balancing variable renewable generation, for example the 1.4 GW North Sea Link allows the UK to export excess power to Norway during windy periods to conserve Norwegian hydro stocks, and import Norwegian hydro power on less windy days.
During the 2022 energy crisis, the UK exported record amounts of power to mainland Europe, helping to alleviate the effects of the Russian invasion of Ukraine on European security of supply.
As of 12 November 2024, Great Britain had nine operational international electricity interconnectors.
The UK is becoming an offshore energy substation on Europe’s North-West coast.
UK To Fund Hydro Energy Storage Projects
The title of this post, is the same as that of this article on The Times.
This is the sub-heading.
New infrastructure aims to help balance the electricity system after the rapid growth in renewables
These three paragraphs infrastructure the article.
Projects that use water to store and release energy are to be given government support, in an attempt to help manage the volatility in supply and demand as more green power enters the grid.
From next year, pumped hydro storage projects will be able to apply for government subsidies, which will be provided via a “cap and floor” mechanism. These would guarantee revenues if prices drop below a certain floor but prevent providers from charging above a ceiling when power prices are high.
Like other government support schemes, any cost will be levied on energy bills, while consumers will be paid back any money generated above the cap. It is yet to be decided precisely how the cap and floor will be set.
I feel it is reasonable to expect the system to be a success, as a similar system is used for interconnectors and this article on Offshore Energy is entitled Over $86 million To Be Split Between UK and Belgium Consumers As 1 GW Subsea Interconnector’s ‘Remarkable’ Revenues Exceed Ofgem’s Cap.
It looks like Ofgem played this right for interconnectors and the Nemo Link is making a substantial payment.
It will be interesting to see what happens when “cap and floor” contracts are assigned.
This move by Ofgem will probably have effects in two areas.
- SSE, Statera and Statkraft, who are typically developing systems at the high end with a size of about 1.5 GW/25 GWh could find money is easier to come by.
- At the lower end, companies like Highview Power, who have systems of 50 MW/300 MWh and 200 MW/2.5 GWh under development, will also benefit.
My Control Engineering thoughts are leaning towards the 200 MW/2.5 GWh systems being the popular ones. Especially as they would appear to be close to the right size to support a 1 GW wind farm for two hours.
A Highview Power Two-Hour Liquid Air Battery could fit nearly with a fleet of Two-Hour BESS.
It should be noted that CAF use a little-and-large approach to theit battery-electric trams in the West Midlands.
A large lithium-ion battery is the main storage device.
A supercapacitor handles the high-frequency response and keeps the power steady.
Pairing a Highview Power Two-Hour Liquid Air Battery and a Two-Hour BESS could achieve the same performance and possibly result in some cost savings.
UK Transmission-Connected 100MW BESS Online At Former Coal Plant Site
The title of this post, is the same as that of this article on Energy Storage News.
These are the first three paragraphs.
A 100MW battery storage project in the UK connected to National Grid’s transmission network has gone online, developed by Pacific Green on the former site of a coal plant.
UK transmission system operator (TSO) National Grid has plugged in the 100MW/100MWh battery energy storage system (BESS) project to its 400kV Richborough substation.
The project, dubbed the Richborough Energy Park battery, is owned by asset manager Sosteneo Infrastructure Partners which acquired it from developer Pacific Green in July 2023.
A Transmission-Connected Battery
Thye Energy Storage News article says this about transmission-connected batteries.
Most BESS projects in the UK connect into the lower-voltage networks run by distribution network operators (DNOs) rather than National Grid’s high-voltage network. Benefits of the latter include a more reliable connection and better visibility in National Grid control rooms.
This would look to be a better way to connect a battery to the grid, but the battery must be able to supply electricity at 400 kV.
This Google Map shows the location of Richborough Energy Park.
Note.
- Richborough Energy Park is marked by the red arrow.
- The coast is the East Coast of Kent.
- The Prince’s Golf Club lies between the Energy Park and the sea.
This second Google Map shows the energy park in more detail.
Note.
- Richborough Energy Park is marked by the red arrow.
- The 336 MW coal-fired Richborough power station used to occupy the site.
- To its West is Richborough 400kV substation.
- There is a large solar park to the North.
- The 1 GW Nemo Link connects to the grid at the energy park.
- The 300 MW Thanet Wind Farm connects to the grid here.
It looks like an ideal place to put a 100MW/100MWh battery energy storage system, so that it can balance the wind and solar farms.
Sheaf Energy Park
This page on the Pacific Green web site is entitled Delivering Grid-Scale Energy Storage With A Global Reach.
Four battery projects are shown.
- Richborough Energy Park – In Operation
- Sheaf Energy Park – In Construction
- Limestone Coast Energy Park – In Origination
- Portland Energy Park – In Origination
The first two projects are in Kent and the others are in Australia. That is certainly global reach by Pacific Green.
I then found this page on the Pacific Green web site, that is entitled Pacific Green Acquires Sheaf Energy Limited – 249 MW / 373.5 MWh Battery Energy Storage Development In The UK.
These two paragraphs describe the acquisition and development of Sheaf Energy Park.
Pacific Green Battery Energy Parks 2 Limited, a wholly-owned subsidiary of Pacific Green Technologies, Inc. has acquired 100% of the shares in Sheaf Energy Limited (“Sheaf Energy Park”) for £7.5 million (US$9.1 million) from UK-based energy originator, Tupa Energy (Holdings) Limited.
Sheaf Energy Park will be a 249 MW / 373.5 MWh battery energy storage system (“BESS”) located next to the Richborough Energy Park in Kent, England. Design and construction will begin in the first half of 2023, with the energy park commencing its 35-year operating life in April 2025.
It looks to me that Pacific Green have found the figures for the construction and operation to their liking at Richborough Energy Park and have decided that to more than triple their investment in energy storage at the site will be very much to their advantage.
Conclusion
I suspect we’ll see other locations in the UK and around the world, with wind, solar, interconnectors and batteries working in harmony to make the most of the electricity available.
The Anonymous Widower 