Wattlab is a Netherlands-based company that delivers solar power solutions for the shipping industry. HGK Shipping is a European inland waterway shipping company that operates a fleet of 350 vessels.
Now Wattlab has delivered a solar energy system for HGK Shipping’s inland cargo vessel the Blue Marlin. The vessel’s 192 solar panels will provide power to both the onboard and propulsion systems.
In 2024, Wattlab delivered a dry cargo vessel to HGK Shipping called MS Helios, which was equipped with 312 solar panels. This ship was actually recognized by Guinness World Records for having the world’s largest solar panel installation on an inland shipping vessel.
The solar energy systems of the Helios and the Blue Marlin differ in one major respect. The Helios used solar energy exclusively for low-voltage onboard (hotel) systems, but the Blue Marlin features a more advanced integrated system that’s capable of…


