Allseas has been awarded the transport and installation contract for the BalWin1 and BalWin2 offshore grid connection systems in the German part of the North Sea.
Awarded by Dragados Offshore, the contract is for two complete high-voltage direct current (HVDC) wind converter station platforms.
The converter stations comprise topsides weighing up to 27,000 tonnes supported by jackets weighing up to 13,000 tonnes. Installation is earmarked for 2028–2030.
The BalWin1 and BalWin2 grid connections are being developed by German transmission system operator Amprion Offshore as part of its plans to accelerate grid development to support the transition to renewable energy. Dragados Offshore is responsible for delivering the two platforms, with partner Siemens Energy providing the HVDC technology.
