Electrical Power Plant and Onboard Hydrogen Fuel Cell Integration for the Hydromer Dredger

Actemium Marine Scope of Work

Actemium Marine carried out the engineering, integration and commissioning of the complete electrical power plant for the Hydromer dredger, a trailing suction dredger built for the Occitanie Region by PIRIOU Shipyards. The project also included the integration of a dedicated containerized hydrogen power solution featuring a 200 kWe fuel cell and its associated auxiliaries, designed and manufactured by HELION Hydrogen Power, contributing to the vessel’s electrical supply.

Key Project Information

Commissioning date: 2024
Shipyard: PIRIOU, Concarneau, France
Owner / Operator: Occitanie Region
Partner: HELION Hydrogen Power
Vessel length: 70 m
Hydrogen capacity: 2 tonnes of hydrogen onboard and two 200 kW hydrogen fuel cells

Project highlights:

Integration of a 200 kW Hydrogen Fuel Cell System

As part of the vessel’s hybrid energy architecture, Actemium Marine supplied and integrated the complete electrical conversion and distribution system required for the hydrogen fuel cell package.

The scope included:

Supply of electrical conversion and power distribution cabinets for the fuel cell system
DC/DC converters for each fuel cell
DC/AC conversion for power injection into the vessel’s electrical network
Auxiliary power distribution and safety chains integration
Supply of battery systems
Supply of an isolation transformer
Supply and outfitting of a dedicated 20-foot container housing the electrical cabinets and associated equipment
Contribution to the overall HAZID (Hazard Identification) risk assessment process