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Greener and cheaper: Crewless vessels are mapping the ocean thanks to an Irish startup

Ocean-based industries are growing fast, boosting demand for data on conditions at sea. But the huge research vessels that typically map the seas often come at great financial and environmental cost.

Irish startup XOCEAN has floated an alternative. Its uncrewed surface vessels (USV) — about the size of an average car and half the weight — are fitted with sensors that collect ocean data and send it via satellite to experts on shore. The company says it improves safety, while cutting the cost and emissions of ocean surveying. According to XOCEAN, its USVs emit 1,000-times less carbon than traditional research vessels. “If nobody needs to go offshore, that removes people from a potentially hazardous environment,” says James Ives, XOCEAN’s founder and CEO. On top of that, “(we have) a tiny environmental footprint … and we believe we can deliver the data at a lower cost,” he adds.

XOCEAN says its growing fleet of USVs has been deployed across the world, completing 30,000 hours at sea and more than 100 projects since the company was founded in 2017. It has been used by the oil and gas industry to carry out pipeline surveys, by fisheries to collect acoustic data on fish populations, and for environmental research and monitoring. The vessels are powered by a battery charged by solar panels on deck and a small diesel generator. Equipped with sensors such as multibeam echo sounders — which send sound pulses into the water that bounce off the seabed — they are able to measure depth, air and water temperature, wind speed, wave height and tidal flows. The ocean economy is expected to be worth more than $3 trillion by 2030, according to a 2016 report from the OECD, with strong growth predicted in offshore wind, fish processing, and shipbuilding and repair.

“Data is the foundation for any activity in the ocean,” says Ives, adding that XOCEAN has experienced a huge boom in demand. At the beginning of 2020, the company had around 20 full employees; now it has 112. It has raised roughly €8 million ($9.4 million) in funding, with offices in Ireland, the United Kingdom and Canada. Next, the company is looking to expand into Asia-Pacific, and by the end of the year plans to increase its fleet from 15 to 40 vessels. New interest is mostly coming from the offshore wind industry, says Ives — both from clean energy heavyweights such as Ørsted, which employed XOCEAN to carry out a site survey for the world’s biggest offshore wind farm, and oil and gas companies that are shifting to renewables. BP (BP) recently announced that it was using XOCEAN’s USVs to survey an area in the Irish Sea for two 60-year offshore wind leases. “We are seeing firsthand a tremendous shift in the energy markets towards a more renewable future,” says Ives.

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