Grid News


Mammoet to Handle Substation Load-Outs for TenneT 2GW Program

Feb 04, 2026

Heavy-lifting and transport specialist Mammoet has signed a support contract with Seatrium to carry out the load-out of three offshore substations for TenneT’s 2 GW offshore grid connection program in the North Sea.Under the agreement, Mammoet…

HSI Joint Venture Installs Jasmund Offshore Substation in Baltic Sea

Jan 14, 2026

The HSI joint venture, comprising HSM Offshore Energy, Smulders and Iv, has completed the installation of the Jasmund offshore substation (OSS) at the Ostwind 3 location in the Baltic Sea, marking a key milestone in Germany’s offshore grid expansion program…

Jan De Nul Wraps Up Cable Installation Job for TenneT’s DolWin Platform

Dec 15, 2025

Belgian offshore contractor Jan De Nul has concluded the 2025 transport and installation campaign of three HVAC grid connection cables at TenneT’s DolWin kappa platform.When finalized, these cables will ensure the transport of almost 660 MW renewable electricity from two offshore wind farms…

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…

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…

NextGeo Signs Eight-Year Deal with 50Hertz for Seabed Survey Services

Sep 23, 2025

Italian offshore services provider Next Geosolutions (NextGeo) has signed an eight-year framework agreement with German transmission system operator (TSO) 50Hertz to deliver geotechnical seabed survey services for offshore substations (OSS) projects…

Dutch Firm to Assess Estonian-Latvian Offshore Wind Grid Link

Sep 18, 2025

ELWIND has signed a contract with Haskoning Nederland to carry out a study on determination and assessment of possible grid connection points, cable routes, as well as network configuration for Estonian-Latvian offshore wind farm ELWIND. The…

RWE, Apollo Set Up Joint Venture to Channel $3.7B Investment in German TSO

Sep 08, 2025

RWE has struck a long-term partnership with Apollo Global Management to secure funding for its 25.1% stake in Amprion, one of Germany’s four transmission system operators, as the country gears up for a decade of record grid investments.Under the agreement…

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…

ABL to Deliver Grid Works for 600MW French Offshore Wind Farm

Jul 18, 2025

Energy and marine consultancy ABL has been awarded a contract to provide marine warranty survey (MWS) services to Réseau de Transport d’Électricité (RTE) for installation of the grid infrastructure at France’s A03 Dunkirk offshore wind farm…

Fugro Gets On Board Ireland’s Offshore Grid Development Project

Jul 15, 2025

Fugro has secured a seven-year framework agreement with EirGrid, Ireland’s state-owned electricity transmission operator, to deliver a full suite of geo-data surveys for the 'Powering Up Offshore - South Coast' project.The initiative will develop…

TotalEnergies’ Unit to Build Battery Storage Site in Japan to Help Balance Grid

Jun 13, 2025

French oil major TotalEnergies' subsidiary Saft has been selected to build a 1 gigawatt-hour battery energy storage system in Japan's Fukushima, the company said on Thursday.Part of a larger project by Asian renewable developer Gurin Energy…

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…

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