Projects on land and at sea
Selected projects delivered by Marel Electric — from complete electrical installations in industrial and public facilities, through the fit-out of vessels, to in-house marine automation systems
Land-based electrical installations
Industrial, public and commercial facilities in Poland and across Europe — from switchboards and cable routes to lighting, ventilation and safety systems
We work as a subcontractor to general contractors and directly for investors, including in explosion-hazard zones
Facilities
- Retail and services
- Public infrastructure
- Industrial plants
Scope
- Main and emergency power supply
- Cable routes and switchboards
- Lighting and sockets
Automation
- Ventilation and air conditioning
- Drive control
- Sensors and signalling
Safety
- Fire detection and suppression
- Emergency lighting
- Evacuation systems

Kaarst, Germany
IKEA
Complete electrical and automation installations for a new store — from switchgear to ventilation and drive control
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Luxembourg, J.F. Kennedy street
Railway station
Main and emergency power supply, fire-protection systems, telecommunications and emergency lighting for a public building
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Luxembourg
European Court of Justice
Power installations, cable routes, lighting and ventilation for a prestigious European institution building
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Gdańsk, Poland
Lotos Refinery
Power and signal installations on refinery premises — works in an explosion-hazard zone
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Chernobyl, Ukraine
Novarka — the Chernobyl sarcophagus
Electrical works on the movable protective shelter over Reactor No. 4 — the largest movable structure in the world
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Florennes, Belgium
Shopping centre
Digitally controlled LED lighting and a complete socket installation — over 5 km of cabling and 5,000 connection points
View projectMarine electrical installations
Newbuilds, conversions and modernisations of vessels — engine room, bridge and ship system installations carried out under the supervision of classification societies
We carry out works at shipyards and during repair layovers, with systems commissioned during sea trials
Vessels
- Passenger ferries
- Naval ships and icebreakers
- Merchant ships
Scope
- Installation replacement
- Roxtec cable transits
- Engine room and bridge installations
Systems
- Navigation and communication
- Emergency power supply
- Exhaust gas cleaning
Commissioning
- Installation survey
- Functional testing
- Sea trials

Polish Navy
Modernisation of ORP Poznań
Replacement of the ship's entire electrical installation — over 27 km of new cabling and a full set of navigation systems
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Regional Water Management Authority
Icebreakers "Andrzej" and "Stanisław"
Electrical and automation installations on two vessels — engine room, switchboards and navigation bridge
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Four vessels
Alfa Laval PureSOx Scrubber
Installation of exhaust gas cleaning systems on four ships — over 64 km of cabling and 800 connected devices
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Świnoujście, Poland
Ferry Karsibór II
Documentation and rebuild of the ferry's electrical installation — over 10 km of cabling and 150 commissioned devices
View projectMarine automation
In-house control systems, replacements for discontinued equipment and ship power plant modernisations — projects where an unconventional approach makes the difference
We design and build equipment from the ground up when the original solution is no longer available or no longer meets requirements
Design
- Dedicated systems
- Replacements for discontinued systems
- In-house software
Ship power plant
- Generator synchronisation
- Power management
- Power source switching
Diagnostics
- Alarm state logging
- Module restoration
- Electronics repair
Deployment
- Works between sailings
- Coordination with the classification society
- Crew training

Four ships, PŻM and other owners
Rebuild of the Siemens E53153-A1620-L1 pump automation
An in-house, modular replacement for a discontinued Siemens system — full compatibility with no wiring modifications
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Unity Line, m/f Gryf
Bow thruster generator automation on the ferry "Gryf"
Integrating a 1 MVA generator into the ship's power network — rebuilt in two weeks without interrupting operation
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Ferry of a Polish owner
Alarm state logger for the Autronica KM-2 system
A "black box" module extending the existing alarm system with a full event history spanning crew changeovers
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Maritime University of Szczecin
Generator synchronisation test rig — "Green Energy"
A generator synchronisation and parallel-operation system for Poland's first laboratory studying renewable energy quality
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Ship of a Polish owner
Restoration of a burnt-out DECCA ISIS control panel
Rebuilding every module of an engine room alarm panel after a fire — many times cheaper and faster than buying a new one
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Port of Ystad, Sweden / Unity Line
Shore-to-ship power supply system
A power-source transfer and shore-to-ship network synchronisation system on three Unity Line ferries
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m/v Mazury
Service works on m/v Mazury
Servicing of automation systems and electrical installations on a vessel in active service
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m/v Polesie
Service works on the ship Polesie
Inspections and repairs of the ship's automation and electrical installations
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