Services

Marine, offshore and oil & gas engineering services

Electrical, switchgear, mechanical, propulsion and DP engineering, plus procurement and parts supply, delivered from Walvis Bay.

01 / Electrical

Electrical engineering services

PowerTech provides practical electrical engineering services for marine, offshore and oil & gas applications. Our capabilities cover installation, fault finding, maintenance, testing, commissioning, refurbishment and repair of electrical, distribution, automation and instrumentation systems and equipment, with a focus on safety, reliability and operational performance.

What we provide

  • Fault finding & electrical repairs: systematic fault finding, troubleshooting and repair of electrical systems and equipment.
  • Electrical installation & rewiring: cable pulling, cable termination, rewiring, equipment installation and modifications to existing systems.
  • Insulation resistance testing: of cables, motors, generators, switchboards and other electrical equipment.
  • Switchboard maintenance & refurbishment: switchboards, transformers and associated power equipment.
  • Rotating electrical machinery reconditioning: motors, alternators and shaft generators, including fault diagnosis, cleaning, insulation testing, bearing replacement and component refurbishment.
Electrical fault finding on a control panel

02 / Switchgear & protection

Switchgear & protection system maintenance

PowerTech Engineering Services provides comprehensive HV switchgear maintenance and repair services for the marine and offshore industries. As part of applicable class requirements, high-voltage switchgear requires routine inspection and maintenance to ensure safe, reliable and continuous operation.

Maintenance packages are tailored to the specific requirements and condition of each vessel and can be carried out onboard in port or offshore. We utilise modern test and diagnostic equipment to assess equipment condition and verify performance following maintenance.

Circuit breaker maintenance and testing
Circuit breaker maintenance & testing
Protection relay testing
Protection relay testing
Injection testing
Injection testing

The maintenance package covers

  • Switchgear and busbars
  • Current and voltage transformers
  • Protection relays
  • Automation and control systems
  • Circuit breakers

Services include

  • Condition assessment and inspection
  • Cleaning and mechanical servicing
  • Contact and connection inspection
  • Lubrication
  • Repair and refurbishment
  • Electrical and functional testing against applicable specifications

03 / Mechanical

Mechanical engineering services

PowerTech Engineering Services provides comprehensive mechanical maintenance, repair and overhaul solutions for marine and offshore equipment, with a focus on restoring reliability, performance and operational readiness while minimising vessel downtime.

PowerTech engineer inspecting a marine diesel engine

Capabilities

  • Scheduled and preventative maintenance
  • Breakdown and emergency repairs
  • Fault finding
  • Complete equipment overhauls

Scope of services

  • Main & auxiliary engines
  • Gearbox & drive systems
  • Deck machinery
  • Fuel & lube oil separators
  • Hydraulics & pneumatic systems
  • Heat exchangers
  • Fire fighting & water pumps

04 / Propulsion & manoeuvring

Propulsion & manoeuvring systems

We provide scheduled maintenance and overhaul services for marine propulsion and manoeuvring systems. Our aim is to maintain the integrity and operational performance of propulsion and manoeuvring equipment in accordance with applicable technical and manufacturer requirements.

Vessel thrusters

Systems

  • Steering gears
  • Thrusters
  • Associated hydraulic, mechanical and control components

Work undertaken

  • Inspections and fault diagnosis
  • Corrective repairs
  • Major overhauls
  • Addressing mechanical wear, hydraulic faults, component deterioration and system performance issues

05 / DP & thruster control

DP & thruster control systems

PowerTech Engineering Services provides servicing, troubleshooting, repair and maintenance of Dynamic Positioning (DP) and thruster control systems used in marine and offshore applications. We work to identify system faults and restore reliable communication, control and functionality between the relevant propulsion and vessel control systems.

Services

  • Servicing and maintenance
  • Troubleshooting
  • Repair

Scope

  • System diagnostics
  • Fault identification
  • Control system checks
  • Component-level assessment
  • Corrective intervention across DP and thruster control equipment

06 / Procurement & parts supply

Procurement & parts supply

PowerTech Engineering Services provides specialised procurement and supply services for a broad range of marine spare parts, with a strong focus on engine and propulsion spares, supporting vessel operators and maintenance teams with reliable parts and efficient sourcing solutions.

Propulsion

Supply of parts and components for marine thruster systems, including tunnel thrusters, azimuth thrusters, bow thrusters and stern thrusters.

Engine spare parts

Supply of engine spare parts and components for diesel engines, including scheduled maintenance packages for top end and major overhauls.

Electrical

Supply of electrical parts and components for motors, generators, switchboards, switchgear, control panels and marine electrical systems.

Dynamic positioning

Parts and components for dynamic positioning systems, including sensors, control system components, thruster-related equipment and associated DP hardware.

Machinery & equipment supply

Supply of machinery and equipment including engines, gearboxes, pumps, generators and compressors.

Rotating equipment

Parts and components for rotating machinery, including winches, motors, generators, compressors, transmissions and associated equipment.

Let’s talk

Your engineering services, equipment and parts supply partner.

Send us your requirement by email or WhatsApp, or call the team in Walvis Bay.