Latest / Rene Grywnow’s 5-Minute Business Punch
The System Failure Behind Marine Auxiliary Energy Waste – Why 30–50% Is Still Wasted in 2026
Auxiliary systems consume up to 50 % of a vessel’s electrical load. Fixed-speed throttling still wastes 40–70 % of auxiliary energy – 225.000 to 484.000 USD per year on a single Panamax. The VFD retrofit technology exists and delivers strong ROI. The real barrier is organisational silos between technical, commercial and procurement.
In this practical conversation Rene Grywnow and Decarbonisation Coordinator Sarah show Technical Superintendents, Fleet Managers and Project Leads exactly where marine auxiliary energy waste hides, why silos keep it alive, and how to fix it with system-level…
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