Generator Repair & Overhaul
Valnau Superyacht Services provides specialised generator repair, overhaul and troubleshooting solutions for superyachts, where reliable power generation is essential for safe operations and onboard comfort.
Generator sets operate under demanding conditions, supplying critical systems such as navigation equipment, HVAC, hotel loads and safety systems. Any instability or failure can directly affect onboard operations and owner experience.
Our team delivers a structured, technically driven approach to generator repairs, covering both scheduled maintenance during yard periods and corrective interventions following alarms, load instability, overheating or mechanical and electrical faults.
All works are carried out in accordance with manufacturer specifications and industry best practices, ensuring reliable performance and long-term operational stability.
Our Generator Repair Process
Diagnosis & Load Analysis
Detailed fault diagnosis and operational assessment of generator sets, including electrical output stability, load performance, alarms, overheating, oil or coolant issues and abnormal noise or vibration.
Generator Repair & Overhaul
Corrective and preventive works ranging from partial repairs to full generator overhauls, including engine components, alternators, control systems, cooling circuits and auxiliary equipment, per manufacturer specifications.
Testing, Synchronisation & Commissioning
Post-repair testing, electrical load checks, synchronisation verification and commissioning to ensure stable power supply, correct load sharing and reliable performance under real operating conditions.
Experienced Generator Specialists
Generator repair works require experienced marine engineers capable of operating in confined engine room environments and dealing with both mechanical and electrical systems.
Our team has hands-on experience with generator sets installed on superyachts, performing diagnostics, repairs and overhauls under strict technical, safety and operational standards.
All works are carried out on board or during yard periods, ensuring minimal disruption to onboard operations and full compliance with manufacturer requirements.