TenneT opens tendering procedures for the sea and land stations for the BalWin1, BalWin2 and BalWin3 grid connection systems

TenneT opens tendering procedures for the sea and land stations for the BalWin1, BalWin2 and BalWin3 grid connection systems

  • New offshore standard set by the 2GW Program will accelerate Europe’s energy transition
  • With a combined six gigawatts, BalWin1, BalWin2 and BalWin3 will meet 20 per cent of the expansion targets for offshore wind by 2030 set out in the coalition agreement of Germany’s new federal government
  • The three projects in the German North Sea will supply around 7.5 million households with green offshore electricity

(PRESS RELEASE) ARNHEM, Netherlands, 23-Feb-20232 — /EuropaWire/ —TenneT, a Dutch-German transmission system operator (TSO), has announced the opening of the tendering procedures for the sea and land stations for the BalWin1, BalWin2 and BalWin3 grid connection systems. The company will be constructing these offshore grid connections in the North Sea off Lower Saxony, each with a transmission capacity of two gigawatts. The contracts for all three projects have a combined order volume in the seven-digit range and are expected to be awarded in the third quarter of 2023. Effective immediately, bidders can qualify for the tender process.

The first three German two gigawatt projects will be part of TenneT’s innovative, transnational 2GW Program. Featuring two gigawatts per system, the new offshore standard will offer more than twice the transmission capacity of the 900 megawatt systems that have been common in Germany to date. Since this will allow the same amount of electricity to be transmitted with only half as many grid connections, it will be possible to conserve important resources and minimise environmental impacts. Harmonising the systems in terms of technology and planning will also make it possible to put additional grid connections systems in place even faster than before. In this way, the 2GW Program will make wind energy from the North Sea scalable and the supply of green electricity more cost-efficient.

“The 2GW Program will be a key pillar of our offshore strategy while helping to advance the energy transition in Europe more quickly and efficiently,” says Tim Meyerjürgens, Chief Operating Officer of TenneT. “After a successful launch in the Netherlands and with the call for tenders for the converter stations of our BalWin projects, we are now also putting grid expansion in the German North Sea on course for climate neutrality.” The call for tenders encompasses the newly developed offshore platforms, the land stations, and the associated equipment for the new two gigawatt high-voltage direct current (HVDC) transmission technology.

As part of the 2GW Program, at least six offshore grid connection systems – each with a transmission capacity of two gigawatts wind energy from the North Sea – are to be built in Germany and the Netherlands by 2030, with three of them being in the German BalWin cluster off the coast of Lower Saxony. With a total capacity of six gigawatts, BalWin1 (completion 2029), BalWin2 (2030) and BalWin3 (2030) will contribute 20 per cent to the raised offshore expansion target of Germany’s new federal government by 2030. Together, BalWin1+2+3 will reliably and safely bring green electricity from sea to land for approximately 7.5 million households. TenneT is planning at least three more projects off the coast of the Netherlands with a combined total of six gigawatts. With this magnitude, the projects in TenneT’s 2GW Program have the potential to become a European beacon for offshore grid expansion and secure supply – today and tomorrow.

About the 2GW Program

TenneT’s 2GW Program plays a vital role in tackling the energy transition from offshore and will help Europe become the world’s first climate-neutral continent. This new standard combines our extensive know-how in offshore grid development with a unique transnational approach. Through its strong focus on harmonisation and standardisation, the programme delivers a blueprint for future offshore grid connection systems and allows for a more rapid scale-up. Meanwhile, a larger capacity of two gigawatt per system reduces the number of grid connections needed. The 2GW Program will provide Europe and its inhabitants with more green energy in a safe and cost-efficient way – all with the least environmental impact possible. The six standardised offshore grid connections planned in the Dutch and German North Sea by 2030 will strengthen TenneT’s role as a reliable partner in the North Sea for the European energy transition.
The 2GW Program sets a new beat for the European energy transition.

Media contact:

Tim Dampmann
Offshore Communication
+49 5132 89-6797

SOURCE: TenneT Holding B.V.


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