Tennet News


TenneT Begins Drilling Under Dunes for Laying Electricity Cables on Maasvlakte

May 28, 2025

In the coming years, grid operator TenneT will bring wind energy from the sea to land on the Maasvlakte. To enable the landing of these electricity cables, contractor NRG started six drillings under the dunes May 26. Three more will follow after the summer…

Glamox Lights Up Tennet’s DolWin HVDC Offshore Wind Converter Platform

May 21, 2025

Glamox has delivered smart lighting to the offshore converter platform DolWin epsilon, built by consortium consisting of Seatrium and Aibel, for Tennet’s DolWin5 grid connection system in North Sea.European grid operator TenneT is in the process…

OEG’s Bluestream to Service TenneT’s Offshore Grid Connection Unit

Mar 19, 2025

Bestream Offshore, one of the companies in OEG Energy Group’s subsea division, has secured a contract by TenneT for the retrofit installation of a corrosion protection system for the SylWin alpha offshore converter station for the offshore grid connection SylWin1 in Germany…

TenneT Signs Consortium to Connect 2GW Dutch Offshore Wind Farm to Grid

Feb 03, 2025

The consortium of pension fund ABP, pension investor APG and wind energy developer SSE has signed a realization agreement with transmission system operator (TSO) TenneT for the Dutch offshore grid connection of 2 GW IJmuiden Ver Alpha wind farm…

TenneT Hires Nexans for LanWin 2 Export Cables Scope

Jan 15, 2025

French subsea power cable maker and services provider Nexans has secured the project agreement for LanWin 2, valued over $1 billion, under the TenneT frame agreement awarded in May 2023.The project involves the Engineering, Procurement, Construction…

NKT Secures Two High-Voltage Cable Projects for TenneT’s 2GW Program

Dec 27, 2024

The Dutch-German transmission system operator (TSO) TenneT has selected Danish subsea cable and services firm NKT to provide onshore and offshore high-voltage cable systems for two projects in Germany as part of its 2 GW grid infrastructure program…

TenneT Completes Onshore Works to Link Three Dutch Offshore Wind Farms to Grid

Dec 17, 2024

TenneT has completed the onshore work scope required to connect three offshore wind farms to the Dutch grid -  Hollandse Kust (noord), (west Alpha) and (west Beta).The project has been completed four years after the first underground drilling from the Westerhout estate in Beverwijk…

First Steel Cut for IJmuiden Ver Beta HVDC Offshore Platform

Sep 11, 2024

Transmission system operator TenneT and marine engineering and construction company Seatrium have held a strike steel ceremony at Tuas Boulevard Yard in Singapore, marking the start of construction of offshore platform IJmuiden Ver Beta, one of the first Dutch 2 GW grid connection projects…

Seatrium to Build HVDC System for TenneT’s Offshore Grid Project

Jun 09, 2024

Seatrium and GE Vernova have been awarded a third contract by TenneT TSO B.V. (TenneT) for the construction of a 2-gigawatt (GW) High Voltage Direct Current (HVDC) electric offshore transmission system in the Netherlands.The project is slated to begin in June 2024…

Malaysia’s MMHE Books Offshore Wind OSS Work for Petrofac

Jun 04, 2024

Malaysia Marine and Heavy Engineering Holdings (MHB), through its wholly owned and major subsidiary Malaysia Marine and Heavy Engineering (MMHE), has secured a subcontract to build an HVDC offshore substation (OSS) platform from Petrofac in support of TenneT’s 2GW project in the Netherlands…

First Cable Production for 2GW North Sea Offshore Wind Grid Link Kicks Off

May 31, 2024

The production of new cables with a voltage of 525 kV, intended for the BalWin4 and LanWin1 offshore wind grid connection projects, has started at LS Cable’s facilities in South Korea.The start of production at LS Cable in South Korea’s Donghae…

McDermott Performs Record-Breaking Lift on BorWin6 HVDC Project

May 13, 2024

McDermott has executed its heaviest stacking lift at the Jebel Ali fabrication yard in Dubai as part of the BorWin6 980MW high-voltage, direct current (HVDC) project for TenneT.The stacking of deck level one had a total weight of 1,962 metric…

DEME Scoops ‘Most Extensive’ Cabling Contract in Its History

Apr 18, 2024

DEME has been awarded two contracts from cable solutions provider Prysmian for the engineering and installation works for the IJmuiden Ver Alpha and Nederwiek 1 offshore grid systems in the Netherlands, whose combined worth is over $315 million…

Nexans Secures First Call-Off Under TenneT’s Offshore Wind Grid Deal

Mar 20, 2024

French subsea power cable maker Nexans and transmission system operator TenneT have signed call-off contract for the BalWin3 and LanWin4 offshore grid connection projects, which will link up North Sea offshore wind farms with German grid.The…

Seatrium to Start Work on Third 2GW HVDC Station for Dutch Offshore Wind Sector

Feb 19, 2024

Seatrium has set out plans to start working on the third 2 GW High Voltage Direct Current (HVDC) electrical transmission system for offshore wind farms in the Netherlands in mid-2024.Seatrium received notification from the Dutch state-owned…

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