Page 14: of Maritime Reporter Magazine (April 2026)

The Path to Zero – Sponsored

THE EVERCLEAN SOLUTION

The Fuel Savings Are Real. So is the Data Behind Them.

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Below the Waterline: How Two Decades of Robotic

Intelligence Are Paying Of for Ship Owners

Greensea IQ’s EverClean brings proven underwater autonomy to hull performance — delivering measurable fuel savings and a new standard for in-water inspection.

and elevated emissions. Across a ? eet, over a ? ve-year period,

Industry Adoption: From Niche to Norm

For most ship owners and ? eet managers, hull maintenance the difference between a vessel that is never cleaned and one has long operated on a reactive cycle: wait for fouling to de- maintained with EverClean can amount to tens of thousands velop, schedule a cleaning, and absorb the performance losses of metric tons of excess fuel burned.

in between. The industry has accepted this as the cost of doing Traditional cleaning approaches address this problem after business. But a growing body of data — and a company with the fact. Divers or machines are dispatched once fouling has twenty years of underwater robotics experience — is making already developed into macrofouling. At this point, remov- a compelling case that there is a better way. ing macrofouling requires more aggressive methods that can

Greensea’s EverClean business is growing rapidly, at least damage coatings and, in some jurisdictions, create compli- doubling every year since launch and is expanding by more ance concerns around toxic discharge. The ef? ciency losses than 300% in 2026. Well past the “early adopter stage”, pro- incurred between cleanings are simply accepted.

active maintenance is quickly becoming the standard for EverClean intervenes much earlier as a maintenance prac- hull performance and EverClean is the commercial solution tice, not a cleaning solution. Using robotic systems deployed delivering industry results. What’s driving the growth? The on a performance-plan schedule, the service targets microfoul- economic returns are real and the data-driven approach aligns ing — the earliest stage of biological accumulation — before with modern values. it becomes a drag problem. The robots use proprietary nylon

Greensea IQ, founded in 2006 and headquartered in Ver- brushes that have been tested and approved by major hull coat- mont, built its reputation developing autonomous navigation ing manufacturers, making the service compatible with even and control technologies for unmanned underwater vehicles high-performance silicone coatings. The result is a hull that is used by the U.S. Navy, scienti? c institutions, and commer- consistently maintained at or near its clean-hull baseline, rather cial operators worldwide. Its software platform now powers than cycling between degraded and restored states.

thousands of robotic systems across defense, science, and

The ROI Is Real — and Measurable commercial sectors — from explosive ordnance disposal to sea? oor mapping. The company’s expertise is not theoretical. For ship owners, the critical question about any hull main-

It is the product of two decades deploying cutting edge tech- tenance program is whether the investment pays. With Ever- nology and operating robots in some of the most demanding Clean, the answer is supported by actual performance data, underwater environments on the planet. analyzed using the ISO 19030 model — the international stan-

That core foundation of robotic intelligence is what powers dard for measuring changes in hull and propeller performance.

®

EverClean , Greensea IQ’s hull performance service for com- One vessel that entered EverClean service two years after mercial maritime operators. What distinguishes EverClean its last drydock had already lost 11% of its original fuel ef? - from conventional hull cleaning is not just the technology it ciency by the time service began. Following consistent Ever- uses, but how it frames the problem it solves. Clean maintenance, that vessel has recovered most of its origi- nal performance and now operates at just a 3% ef? ciency loss.

This is a recovery worth 85 metric tons of fuel oil per month,

Reframing the Problem: From Cleaning to Performance

Biofouling is one of the most persistent and underestimated which equates to $59,500 at $700 a ton with a reduction of drains on ? eet ef? ciency. Research consistently shows that 270 metric tons of CO2 emissions over the same period. even a light layer of slime can increase hull resistance by more Scale that pro? le to a 14,000 TEU container ship operat- than 10%, translating directly into higher fuel consumption ing 260 days per year at 80 tons of fuel per day, and the pro-

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