Tennet News

 

Petrofac Goes into Administration after TenneT’s OW Contract Termination

Oct 27, 2025

Provider of services to the global energy industry Petrofac has filed for administration to the High Court of England and Wales to appoint administrators for the company, following TenneT’s decision to terminate its scope in 2 GW offshore wind grid project in the Netherlands.Petrofac said that the move is a targeted administration of the group’s ultimate holding company only.The decision came after…

GE Vernova, Seatrium Ink TenneT Deal for 2.2GW North Sea Grid Link

Dec 11, 2025

A consortium of GE Vernova and Singapore’s Seatrium has secured a major contract from Dutch-German grid operator TenneT to deliver the BalWin5 offshore grid connection, a 2.2 GW high-voltage direct current (HVDC) transmission system designed…

L&T Joins Hitachi Energy to Support TenneT’s 2GW Offshore Wind Grid Scheme

Oct 30, 2025

India’s EPC contractor Larsen & Toubro (L&T) has been hired to deliver High Voltage Direct Current (HVDC) converters in support of the Dutch-German transmission system operator (TSO) TenneT’s 2GW offshore wind grid program in the North Sea.Collaborating with Hitachi Energy…

TenneT Completes Grid Connections for Hollandse Kust (West Beta)

Oct 28, 2025

Grid operator TenneT has completed the standardized 700MW grid connections for the Hollandse Kust (West Beta) offshore wind farm and has received the grid readiness certificate from DNV.The project was completed five months ahead of schedule…

Fugro Concludes Site Investigations for TenneT’s Offshore Grid Links

Oct 21, 2025

Dutch geological data specialist Fugro has completed land and marine site investigations for transmission system operator (TSO) TenneT Germany, to support the development of the LanWin1 and LanWin2 offshore grid connection projects.These projects are part of TenneT Germany’s 2 GW program…

Glamox to Light Up Tennet’s Offshore Wind Power Converter Platforms

Sep 22, 2025

Lighting specialist Glamox has secured contracts from electrical contractors working for three yards to provide connected marine lighting and light management systems for 11 offshore High Voltage Direct Current (HVDC) converter platforms.The…

NKT Installs Cables for TenneT’s BorWin5 Offshore Grid Connection

Aug 28, 2025

Danish power cable maker and services provider NKT has installed the HVDC power cable system for Tennet’s BorWin5 offshore grid connection in Germany.NKT said it completed the installation of the 320 kV HVDC system, completing the pull-in works…

TenneT Hires Asso.subsea for Cabling Work off Germany

Jul 29, 2025

Subsea cable services company Asso.subsea has secured the nearshore cable installation contract for three key projects under TenneT’s 2 GW grid program, including BalWin4, LanWin1, and LanWin5.The projects are located off the northwestern coast of Baltrum Island…

Mammoet to Assist Heerema with TenneT’s 2GW Offshore Grid System Delivery

Jul 07, 2025

Mammoet has signed a contract with Heerema Marine Contractors to support topside floatover operations for TenneT 2 GW offshore grid project in the North Sea.Mammoet will help prepare two giant units for floatover operations by skidding the topsides from HTV to the newly-built Heerema H731 barge…

TenneT Installs Giant HVDC Offshore Wind Converter Platform in North Sea

Jun 10, 2025

The DolWin epsilon HVDC offshore wind converter platform, part of German transmission system operator (TSO) TenneT’s grid expansion project, has been installed in the North Sea.The installation of DolWin epsilon HVDC platform at DolWin cluster…

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…

Current News

DeepOcean Awarded IMR Contract Extension by Equinor

DeepOcean Awarded IMR Contract

BOEM Initiates Process for Potential Mineral Lease Sale Offshore Virginia

BOEM Initiates Process for Pot

Jumbo Scoops Two Offshore Wind Contracts

Jumbo Scoops Two Offshore Wind

Wood Nets Long-Term Maintenance Contract for Rio Grande LNG Facility

Wood Nets Long-Term Maintenanc

Subscribe for OE Digital E‑News

 
Offshore Engineer Magazine