From ocean cleanup to seafarer health: Meet the Blue Economy Operations ventures of the AquaSphere 2026 Cohort

The blue economy is not just an energy story.  It is also a story about the people who work at sea, the ecosystems that coastal industries depend on, the pollution accumulating in ports and waterways, and the security threats that put all of it at risk. The seven ventures in the Blue Economy Operations, Circularity & Maritime Resilience cluster of the AquaSphere 2026 Cohort are working on the operational layer of the blue economy,  the systems, services, and technologies that keep maritime activity sustainable, safe, and accountable.  🇹🇷 Vessel X : Autonomous surface vessels for marine pollution control  Marine pollution monitoring and cleanup remain largely manual, reactive, and fragmented. Vessel X has built an…

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Powering the blue economy: Meet the Clean Maritime Energy ventures of the AquaSphere 2026 Cohort

The energy transition has a geography problem.  Wind and solar have transformed the grid in many parts of the world but they leave critical gaps: remote communities still running on diesel, maritime operations still dependent on fossil fuels, coastlines and rivers whose energy potential remains entirely untapped. The five ventures in the Clean Maritime Energy & Sustainable Infrastructure cluster of the AquaSphere 2026 Cohort are each attacking a different part of this problem, from hydrokinetic river systems to wind-assisted shipping, from wave energy to waste-heat recovery at sea.  🇩🇰 Millfield Technology ApS : Hydropower without dams  Most hydropower requires dams, civil works, and years of permitting. Millfield Technology has built a different kind of system entirely. Its Millfield Flow Converter (MFC) generates electricity by harnessing river flow through a crane-like structure with horizontal and vertical wings, no dam, no major infrastructure, installed in a single day from a standard 40-foot container. Validated by the Technical University of Denmark and supported by 60+ investors,…

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AquaSphere Accelerator 2026 Kicks Off with 19 Ventures from 14 Countries

Nineteen visionary companies selected from across the globe to drive the future of the blue economy. At a glance Athens, Greece – May 2026. The AquaSphere Accelerator 2026 has officially kicked off, bringing together an extraordinary cohort of ocean and water technology innovators from four continents. On Monday, 4 May…

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Accelerate Your Blue Economy Venture with AquaSphere. Round 2 is now open ! 

The AquaSphere Accelerator 2026 (Round 2) is officially open for applications.  Building on the success of our first round (bringing together over 10 start-ups from 9 countries), we are now launching a second call. This second open call will welcome 16 new start-ups to join the growing AquaSphere Accelerator Community, offering them the opportunity to accelerate their innovation, visibility, and impact.  If you’re an ambitious startup or scale-up creating…

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