Home » Full electrical system overhaul project for ship – Delta Marine Sweden
Full Vessel Electrical System Overhaul
One Partner. Complete Responsibility.
End-to-End Marine Electrical Projects
Whether you’re extending the life of an aging fleet or adapting to modern power systems, a full electrical overhaul is a strategic investment.
At Delta Marine Sweden, we handle every step of the process – from conceptual design to final commissioning, ensuring full compliance, operational safety, and future-readiness.
With decades of experience and a team of certified marine electricians and engineers, we coordinate complex multi-system upgrades with precision and accountability.

Our Overhaul Process
We manage complete overhauls for:
- Cargo vessels
- Offshore platforms
- Ferries and Ro-Pax ships
- Support and service vessels
- Naval and research units

System Audit & Technical Assessment
- Detailed inspection of existing installations
- Load analysis, failure point detection
- Compliance gap analysis (IMO, SOLAS, IEC)
- System mapping and documentation review

Engineering & Project Planning
- Custom design of energy distribution and control systems
- Integration plans for navigation, fire, CCTV, IT, PA, HV/LV
- Risk evaluation, timeline setting, budget scoping
- Coordination with classification societies

Procurement & Logistics
- Sourcing of marine-certified components (cables, switchboards, devices)
- Warehouse staging and material traceability
- Delivery aligned with shipyard or drydock schedule

Dismantling & Safe Removal
- Deactivation of legacy systems
- Safe removal of cables, panels, devices, and penetrations
- Disposal/recycling of hazardous materials per regulation

Installation & Integration
- Full installation of LV and HV cabling
- Switchboards, control panels, UPS, PA, IT & CCTV systems
- Fiber optic and ROXTEC penetrations
- Testing of motor circuits, batteries, generators, and grounding

Testing & Commissioning
- Megatests, protection device checks, loop impedance
- Full commissioning with onboard systems and bridge
- Crew training and emergency system validation
- Handover documentation for class and owner approval
What Systems We Overhaul
We handle:
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Main and emergency switchboards
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LV/HV distribution systems
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Navigation and communication systems
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Fire detection and PA systems
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Power generation and shore connection
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UPS, batteries, energy banks
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CCTV and onboard IT networks
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Hybrid power and integration prep


Where We Operate
We perform full vessel electrical system overhauls across:
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🇸🇪 Sweden
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🇳🇴 Norway
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🇩🇪 Germany
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🇵🇱 Poland
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🇫🇮 Finland
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and offshore units in the Baltic and North Sea
Why Choose Delta Marine?
Trusted by Shipowners, Valued by Class
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Full-scope electrical project delivery
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Certified team for HV, LV, fiber, and control systems
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One point of contact from start to finish
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Seamless collaboration with shipyards and inspectors
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Clear timeline, staged billing, and full documentation
Our strength lies not only in electrical precision, but in project leadership, communication, and risk control.

Case Study
We provide full-scope solutions tailored for the maritime environment:

Offshore Tug Electrical Rebuild – Gdańsk 2024
Delta Marine completed a full electrical overhaul of a 15-year-old offshore tug operating in the Baltic.
Scope included:
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Decommissioning of outdated systems
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New LV switchboard installation and generator interface
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Rewiring of engine room, bridge, and living quarters
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Fiber optic CCTV and dual PA integration
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Megatest and full commissioning
Result: vessel returned to service ahead of schedule with 100% class approval, ready for hybrid integration phase.
FAQ
Yes – we often work as subcontractors or directly with owners. We coordinate scope, timeline, and documentation in sync with the shipyard team.
Depending on scope and vessel size: from 3 to 10 weeks. Planning and logistics can begin months in advance.
Absolutely. That’s the most efficient and cost-effective method – combining navigation, power, fire, and IT into a single refit.
Yes – we design, test, and document all systems to current international and classification standards.
Let’s Overhaul Your Ship’s Electrical Future
Whether your vessel is aging, expanding, or preparing for hybrid propulsion – let Delta Marine Sweden handle your electrical transformation.
We manage the risks, deliver the systems, and handle everything in between – with certified control and a commitment to excellence.
Start your electrical overhaul today!