Page 67: of Marine Technology Magazine (September 2025)

SubCtech GmbH www.subctech.com

Founded in 2010 in Kiel, Germany, SubCtech GmbH de- signs, manufactures, and services advanced subsea power systems, ocean monitoring solutions for marine science, offshore energy, and defense applications. The company’s core expertise lies in high-performance subsea lithium-ion battery modules, intelligent sensor integration, and autono- • Subsea Lithium-Ion Battery Systems — mous monitoring systems. modular, pressure-compensated, and proven in

SubCtech systems operate in extreme environments—from depths beyond 6,000 meters.

polar ice to tropical waters—supporting missions such as • Ocean Monitoring Buoys & Landers — deep-sea exploration, climate monitoring, offshore wind integrating multi-parameter sensors, data analysis, construction, and subsea defense operations. and real-time telemetry.

Their in-house engineering, production, and testing ensure The company is currently manufacturing its next major full control over quality and innovation. They work closely project: a 1 MWh Battery Storage Skid designed for subsea with leading research institutes, offshore operators, and gov- deployment. This powerful energy storage solution (scalable ernment agencies. up to 6 MWh) will play a crucial role in powering underwa-

SubCtech’s