Interconnectors
UK, German TSOs unveil plan for 2 GW offshore wind interconnector
UK’s National Grid and TenneT Germany will together develop a multi-purpose interconnector designed to connect offshore wind generation in Britain and Germany to both countries’ electricity systems, the companies said on January 26. The interconnector, called GriffinLink, could link up to 2 GW of of
Great British consumers see $2.2B benefit from interconnectors since 2023, analysis says
Consumers in Great Britain have benefited more than £1.65 billion (around $2.211 billion) from subsea electricity interconnectors since 2023, the UK National Grid reported. The analysis of the benefit of National Grid’s subsea electricity interconnector portfolio, said to be the largest in the world
NKT and SSEN Transmission sign final contracts for Scottish HVDC transmission links
Danish power cable manufacturer and installation firm NKT has been awarded the final contracts for two Scottish HVDC transmission links that are part of a major upgrade to the electricity transmission network across the north of Scotland. NKT and SSEN Transmission confirmed their partnership to deve
Scottish subsea link gets approval for capacity increase
The Scottish Government Marine Directorate has granted the variation to the existing marine license for the Western Isles high-voltage direct current (HVDC) subsea cable link, allowing the needed increase in capacity. The project is a key component of SSEN Transmission’s planned £22 billion investme
Nexans connects Sicily and Sardinia via 480-kilometer deepwater cable
Nexans has connected Italy’s Sardinia and Sicily via a 480-kilometer-long cable as part of the Tyrrhenian Link, described as one of the country’s most significant electrical infrastructures. The 970-kilometer, 1,000 MW interconnector encompasses two sections: the west part, connecting Sicily and Sar
Ocean Infinity set for geophysical survey at UK’s subsea electricity superhighway
Marine robotics company Ocean Infinity is expected to begin a geophysical survey for Eastern Green Link (EGL5), the UK’s fifth subsea electricity superhighway that would connect Scotland and England, in about one week. The marine survey activities are planned to commence on January 12 and to be comp
EIB commits €490M to Greek link that will end electrical isolation of Northeast Aegan islands
The European Investment Bank (EIB) has approved a €490 million financing for an interconnection project that will end the electrical isolation of Greek islands located in the Northeast Aegean Sea. The IPTO North East Aegean Interconnection project will connect the island regions of Lemnos, Lesvos, C
Readers’ choice: Offshore Energy’s most-read news in 2025
As the offshore energy sector continued to navigate the energy transition and technological development, but also uncertainty, 2025 saw continued shifts in policy, investment, and project development across the global energy landscape. To mark the year’s end, the Offshore Energy editorial team looks
Nexans sets world record by installing power cable 2,150 meters under water
France-headquartered cable systems designer and manufacturer Nexans has set a new world record in the subsea cable industry by installing a 500 kV HVDC power cable at a depth of 2,150 meters. Nexans reported it had achieved this milestone on the Tyrrhenian Link, described as one of Italy’s most sign
Ireland-Wales interconnector officially marked as priority energy infrastructure project
MaresConnect, a 750 MW electricity interconnector that will link Ireland and Wales, has been included in the EU’s second list of Projects of Common/Mutual Interest (PCI/PMI), confirming its status as a priority energy infrastructure project. According to developer MaresConnect Limited, owned by Fore
Community input seen as ‘vital’ piece of UK’s next subsea electricity transmission puzzle
Scottish transmission system operator (TSO) SSEN Transmission has sent out an invitation to residents to attend events designed to provide more insight into the plans for the development of the UK’s fifth subsea electricity superhighway project, envisioned to link Scotland and England.
Ocean Infinity to perform geotechnical survey for UK’s fifth subsea electricity superhighway
Marine robotics company Ocean Infinity is set to begin a geotechnical survey later this month for Eastern Green Link (EGL5), the UK’s fifth subsea electricity superhighway that would connect Scotland and England. The marine survey activities for the 2 GW EGL5 are expected to commence on November 23
Survey to begin on damaged section of almost 40-year-old interconnector
The UK National Grid is about to begin a marine survey of a damaged section of an interconnector between France and the UK that has been operating since 1986. The survey of the IFA 2000 submarine cable is scheduled to begin today, November 5, approximately 3 nautical miles offshore Folkestone, Kent,
ABL chosen to back Greece’s Ionian Islands interconnector project
Energy and marine consultancy ABL has been selected to support the installation of upgraded interconnectors in Greece that are set to improve the energy resilience of the Ionian islands. ABL will act as the marine warranty survey (MWS) services provider to support Hellenic Cables’ installation of su