News from DNV

05 June, 2025

Vallourec’s Delphy vertical hydrogen storage solution receives technical qualification from DNV

Vallourec, a world leader in premium seamless tubular solutions, announces the official qualification of Delphy, its vertical gaseous hydrogen storage solution, by DNV. A world first, Delphy enables the storage of 1 to 100 tons of hydrogen under maximum safety conditions. Thanks to its minimal footprint, this vertical system - extending up to 100 meters underground - meets the challenge of complex and demanding industrial environments. It targets both green hydrogen producers and industrial players such as synthetic fuel producers (e-SAF, e-methanol), green ammonia producers, steelmakers, and refineries.

  • Energy
23 May, 2025

IMO Sub-Committee on Navigation, Communications, Search and Rescue

The 12th session of the IMO’s Sub-Committee on Navigation, Communications, Search and Rescue (NCSR 12), held from 13 to 22 May 2025, marked an important step forward in maritime digitalization. NCSR 12 finalized draft SOLAS amendments to enable digital data exchange over VHF (VDES), advanced the framework for the digital broadcasting of maritime safety and search and rescue data from shore to ships (NAVDAT), and agreed on draft guidelines for software maintenance and for the use of electronic nautical publications. Progress was also made on connectivity guidelines to support the next generation of electronic navigational charts (ECDIS S-100).

  • Maritime
19 May, 2025

GreenPowerMonitor and Renewance partner to power battery energy storage system deployments across North America

GreenPowerMonitor (GPM), a DNV company and a global leader in renewable asset monitoring and Renewance, a U.S. leader in battery lifecycle services today announced that they have partnered to integrate energy systems controls and energy storage asset lifecycle services to help customers in North America optimize the lifespan, compliance, and value of their Battery Energy Storage Systems (BESS).

  • Energy