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Updates, press releases and stories from the world of maritime solar energy.

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WEstack battery system on inland vessel
Press Release 1 June 2026
WEstack: Wattlab’s Powerful New Battery System for Inland Shipping

Wattlab launches WEstack, a standardised marine battery system for inland vessels. Assembled in the workshop, connected on board in a single day.

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Vertom Tula with Solar Flatrack
Press Release 23 March 2026
How Wattlab Is Bringing Proven Solar Power to the Global Bulk Fleet

After two pilots and a full-scale installation on the Vertom Tula, Wattlab is ready to bring the Solar Flatrack to Panamax and Capesize vessels.

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Bo and David receiving IBJ award
Award 24 November 2025
Wattlab Wins the Most Prestigious Maritime Solar Energy Award of 2025

Wattlab wins the IBJ Environmental Protection Award for the Solar Flatrack, validated by TNO with a confirmed ROI of 3 to 5 years.

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Bo Salet with Solar Flatrack at Europort
Press Release 5 November 2025
Wattlab Wins Solar Contract for World’s Most Powerful Zero-Emission Vessel

Berge Rederi signs with Wattlab for 96 Solar Flatracks on the BRF Froan, the world’s largest battery-powered bulk carrier.

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Vertom Tula at sea
Press Release 30 October 2025
Wattlab Installs First Full-Scale Solar System on a Seagoing Coaster

44 Solar Flatracks installed on the Vertom Tula in a single day. The first seagoing coaster in the world with a full-scale solar installation.

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Blue Marlin with solar panels
Press Release 7 July 2025
How Wattlab Built the World’s First Solar-Powered Hybrid Inland Vessel

Wattlab and HGK Shipping deliver the Blue Marlin, the first inland vessel to use solar power directly for propulsion. 192 panels, 35 kW peak output.

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Solar panels on Vertom vessel
Press Release 30 April 2025
SolarDeck: Wattlab’s New Solar System for Seagoing Vessels

Wattlab launches SolarDeck, a modular plug-and-play solar system for seagoing vessels, developed and tested with TNO and Vertom.

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SolarDeck on vessel
News 24 April 2025
SolarDeck: Wattlab Proves Solar Power Works on the Open Sea

The pilot is done, the results are good, and Bo Salet is ready to talk about what comes next for solar power on seagoing vessels.

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