Unique features
Unique features of the PALM Charger include its reliance only on mechanical actuation from the boat, with a rugged and marinized design. Vessel outfitting requirements are kept to a minimum. In a project funded by the Department of Transport through Innovate UK, the system will be trialled in an offshore environment, paving the way to a commercial pilot project in 2025.
Streamlined operation
Vessels need only a winch and cable reel outfitted with a standardised ‘plug’. Boats approach the charging point to grapple a work wire that is used to hook up the plug and winch. Propelled by the winch, the plug seamlessly progresses into the receptacle, establishing both electrical and mooring connections. During this time the vessel is tethered to the system. Once charging is complete a pull and release operation brings the connections back to the boat, ready for tying off the work wire and resuming operations.
Trials and implications
Trials will commence in Orkney in August 2024, working with EMEC and Leask Marine to demonstrate the PALM Charger’s mechanical and electrical functionality in a range of marine conditions. On successful completion, a commercial prototype will be designed in readiness for a pilot deployment. Offshore Wind will be the first use case, with INTOG, ScotWind and Celtic Sea developments in sight. More generally the system is applicable to any fleet of marine electric vehicles, including those in the fisheries, aquaculture, ferries and leisure sectors.