Tennet News


German Offshore Wind Power Share Dropping

Jan 29, 2024

Years of network expansion on land in Germany has led to a drop in the proportion of offshore wind power contributed from the North Sea to the country's total wind energy output, Dutch grid operator TenneT said on Monday.In 2023, the share of…

Hollandse Kust (west) Alpha Offshore Substation Set for Wind Turbines Link-Up

Jan 11, 2024

The grid connection for Hollandse Kust (west) Alpha offshore substation is officially ready for commissioning after receiving grid readiness certificate three months ahead of schedule.This means that wind farm operator Ecowende can connect the wind turbines…

Petrofac and Hitachi Secure Second Contract with Tennet for Offshore Converter Stations

Dec 20, 2023

Hitachi Energy and Petrofac have secured a second project under a $14 billion, multi-year framework agreement with the Dutch-German transmission system operator (TSO) TenneT to expand offshore wind capacity in the North Sea.This second contract is for Nederwiek 1…

Jan De Nul Inks Two Contracts with TenneT

Dec 07, 2023

Jan De Nul Group together with its consortium partners LS Cable & System and Denys has signed the contracts for two 525 HVDC cable systems for the two grid connection systems BalWin4 and LanWin1. These mark the first two contracts signed under…

Artificial Reefs Deployed in Dutch North Sea to Boost Marine Life Around Offshore Wind Farms

Oct 27, 2023

Dutch transmission system operator TenneT, in collaboration with contractor Equans/Smulders,  has installed several artificial reefs near the offshore wind power transformer platform Hollandse Kust (west Alpha), which are meant to stimulate marine life…

Dutch Firm to Design 2GW North Sea Offshore Wind Platform

Oct 18, 2023

Dutch offshore engineering company Iv-Offshore & Energy has signed a contract with Singapore-based construction firm Seatrium (ex-Sembcorp Marine) for the design of the 2GW IJmuiden Ver Beta platform, to be deployed in the North Sea, offshore the Netherlands…

Costs Rising of Netherlands' Grid Expansion for North Sea Wind Farms

Oct 17, 2023

Costs have risen significantly in the past year for the Netherlands' multi-decade plan to connect its power grid to proposed North Sea wind farms due to rising interest rates, the country's Economic Affairs Ministry said on Tuesday.The global…

DolWin epsilon HVDC Offshore Wind Converter En Route to Aibel's Yard for Final Outfitting

Oct 16, 2023

The DolWin epsilon HVDC offshore wind converter platform left Seatrium’s yard in Singapore on Sunday, October 15. The platform is now heading for Aibel in Haugesund for the final installation of electrical equipment and commissioning.The DolWin…

RWE, TenneT Pen Deals for OranjeWind Offshore Wind Farm Grid Connection

Sep 12, 2023

Offshore wind farm developer RWE has signed agreements with grid operator TenneT for an offshore grid connection of OranjeWind, a wind farm to be built 53 kilometers off the Dutch coast. The Connection & Transmission Agreement (CTA) and Realisation…

McDermott Starts Construction of TenneT's BorWin6 HVDC Converter Platform

Jul 05, 2023

Offshore engineering and construction firm McDermott held a first steel-cutting ceremony at its Jebel Ali fabrication yard in Dubai, United Arab Emirates, to mark the start of construction for the BorWin6 980MW high-voltage, direct current (HVDC) project for TenneT…

Jan De Nul and Hellenic Cables to Deliver Offshore Cables for German Offshore Wind Projects

Jul 04, 2023

Offshore installation firm Jan De Nul Group, in partnership with power cable maker Hellenic Cables, has won a contract from TenneT for the turnkey delivery of three HVAC offshore grid connection cables for the offshore wind farms to be developed in zones N-3…

Second Sea Cable Lay for 'West Alpha' Completed

Jun 21, 2023

With the cable-laying vessel Isaac Newton, the work vessel Adhémar de Saint-Venant and a remote-controlled cable burial vehicle, the contractor combination Jan de Nul Group/LS Cable & System has completed the installation of the second subsea cable for the offshore wind farm 'west Alpha' completed…

TenneT Takes Charge of Hollandse Kust (Noord) Offshore Substation

May 31, 2023

The Hollandse Kust (noord) offshore wind substation has been officially taken over by the Dutch grid operator TenneT following the installation and hook-up offshore the Netherlands. In March 2020, TenneT awarded the joint venture EQUANS-Smulders the contract for the engineering…

TenneT Taps Allseas, Heerema to Install 14 Massive Offshore Converter Stations

May 17, 2023

Dutch-German transmission system operator TenneT has signed multi-year framework agreements with offshore installation firms Allseas and Heerema Marine Contractors for transport and installation of at least fourteen 2-gigawatt (2GW) offshore platforms…

TenneT Awards Deals for Installation of 7,000 km HVDC Cable System for 10 Projects

May 05, 2023

TenneT has awarded NKT, Nexans, and a consortium of Jan De Nul, LS Cable, and Denys contracts to install 525 kV HVDC cable systems for ten projects.The total volume of the contracts for the production and installation of the ten cable systems amounts to approximately € 5…

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