Meet The World's First Hybrid Solar Cargo Ship!

Meet The World’s First Hybrid Solar Cargo Ship!

Written by Carla Teles

Published on 08/07/2025 at 18:53

Navio cargueiro solar híbrido Blue Marlin revoluciona! Conheça a embarcação com 192 painéis solares que gera 37.500 kWh/ano e descarboniza o transporte fluvial. O futuro da navegação é agora! Imagem: Wattlab

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Green Technology Redefines Navigation, Powered by 192 Solar Panels and 37,500 kWh of Clean Energy Annually.

Get ready for a new era in navigation. The world’s first hybrid solar cargo ship, the Blue Marlin, is ready. It promises to transform cargo transport, combining innovation and sustainability.

The Partnership Between Wattlab and HGK Shipping Revolutionizes

The decarbonization of waterway transport gains massive momentum. This is thanks to a visionary partnership between the Dutch Wattlab, a solar energy specialist, and the German HGK Shipping, a giant in inland shipping. The hybrid solar cargo ship Blue Marlin is the result of this union. Its baptism ceremony took place in Hamburg, Germany, on July 3rd. This milestone seals the commitment to a greener future.

How the Blue Marlin Generates 37,500 kWh/Year of Clean Energy

The technology onboard the Blue Marlin is impressive. It features 192 solar panels that generate an astounding 37,500 kilowatt-hours (kWh) of electricity per year. The installation took place at the De Gerlien van Tiem shipyard in the Netherlands. This solar energy powers the onboard systems and, crucially, the ship’s propulsion. The Blue Marlin is the first inland transport vessel to depend directly on solar energy. Furthermore, it has a “Future Fuel Ready” diesel-electric propulsion system and optimization to operate in shallow waters. The SEAFAR technology allows for remotely controlled navigation.

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Efficiency and Sustainability in Shallow Waters

With a length of 86 meters and a width of 9.5 meters, the Blue Marlin is designed for maximum efficiency. Its draft of only 1.10 meters is perfect for operations in shallow waters. Maneuverability is ensured by Veth twin propellers and a bow thruster. Its modular design allows for barge coupling, increasing its capacity to up to 3,110 tons of cargo. The hybrid solar cargo ship mainly transports bulk goods for Salzgitter AG, one of Europe’s largest steel producers.

Less CO2, More Efficiency in Inland Transport

The solar installation of the Blue Marlin operates in harmony with four diesel generators. This synergy allows for “peak shaving,” reducing energy consumption during peak hours. The automated energy management system distributes electricity precisely, optimizing efficiency and cutting fuel consumption. The expectation is a significant reduction in CO2 emissions, potentially reaching 36,000 kg per year. The hybrid solar cargo ship Blue Marlin has already been recognized with the prestigious Gold Green Award. It is a giant step towards sustainability in logistics.

Meet The World’s First Hybrid Solar Cargo Ship!

Green Technology Redefines Navigation, Powered by 192 Solar Panels and 37,500 kWh of Clean Energy Annually.

The Partnership Between Wattlab and HGK Shipping Revolutionizes

How the Blue Marlin Generates 37,500 kWh/Year of Clean Energy

Efficiency and Sustainability in Shallow Waters

Less CO2, More Efficiency in Inland Transport

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Meet The World’s First Hybrid Solar Cargo Ship!

Green Technology Redefines Navigation, Powered by 192 Solar Panels and 37,500 kWh of Clean Energy Annually.

The Partnership Between Wattlab and HGK Shipping Revolutionizes

How the Blue Marlin Generates 37,500 kWh/Year of Clean Energy

Efficiency and Sustainability in Shallow Waters

Less CO2, More Efficiency in Inland Transport

While an average building in London or New York takes three years to be completed, in China a 26-story tower went up in five days with about 100 workers, and the global modular construction market already moves US$ 95 billion per year.

Australia installs giant concrete structures on the seabed 800 meters from the shore to create an ocean intake for desalination that will draw in saltwater and produce 30 million liters of drinking water per day.

A public school student single-handedly created a machine capable of treating water for up to 50 people using only solar energy. It was awarded third place at one of the most important science fairs in the world.

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While communities suffer from water scarcity and the advancing desert, women in Morocco use nets high up in the mountains to trap fog droplets, fill reservoirs, and transport drinking water through more than 10 km of piping.

Changan and Chery promise mass production of solid-state batteries with 1,500 kilometers of range in 2027 while Tesla still uses lithium and Toyota only promises to deliver theirs in 2028.

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