Primo Marine

Primo Marine is an independent technical advisor specialised in subsea power cable systems for sustainable ocean energy. Headquartered in Rotterdam with offices in Darlington, Berlin and Copenhagen, the company has more than 25 years of experience and a team of about 40 experts. It focuses on interconnectors, export cable systems, array cables for fixed and floating offshore wind, grid connections and emerging technologies such as hydrogen, CO₂ pipelines, offshore solar, floating wind and tidal projects. Primo Marine positions itself as a “boardroom to backdeck” adviser, balancing cost, risk and technology over the full asset lifetime. It has completed over 300 projects on more than 5,483 km of submarine HVDC cables, enabling 18.77 GW of power transmission, and has worked on 40+ grid systems, 45+ offshore wind farms and 30+ interconnectors worldwide. Its service portfolio spans strategy and innovation, technical due diligence and market intelligence, permitting and consenting, tendering and contracting strategies, and project management. The company provides route design and engineering, burial and protection studies, landfall and HDD feasibility, metocean and workability analysis, dynamic analysis, installation and construction engineering, and cable protection and testing. It also offers survey and UXO management, offshore client representation and marine warranty support, operations and maintenance engineering, and 24/7 emergency response including fault-finding, forensic investigations and repair campaign management. Through its related entity Primo Risk & Control, Primo Marine supports insurers, lenders and developers with cable risk analysis, insurability and bankability assessments. The firm contributes to major projects such as offshore wind farms in Europe and Asia, interconnectors like NorNed and NeuConnect, offshore solar demonstrators and the SEASTAR tidal energy consortium.