Marine AC & DC Electrical Systems
Licensed marine electricians in Darwin specialising in DC wiring, lithium battery systems, navigation electronics, bilge systems and commercial vessel upgrades. We service recreational and commercial boats throughout Darwin and the Northern Territory.
✔ Fully licensed & insured
✔ 12-month workmanship warranty
✔ Servicing Darwin Harbour & NT coastal waters
Our Specialties
Our Marine Electrical Specialties
With extensive experience in marine electrical systems, we deliver compliant, high-quality AC and DC installations for recreational and surveyed commercial vessels across Darwin and the Northern Territory.
From full vessel rewires and 415V three-phase systems to advanced lithium battery integration, our work is engineered for safety, reliability and long-term performance in harsh marine environments.
We understand survey requirements, Australian marine standards and the realities of working vessels — and we build systems that last.
Marine AC Electrical Systems (240V / 415V)
Complete marine AC installations for recreational and surveyed commercial vessels, including 240V single-phase and 415V three-phase systems.
• Shore power systems
• Marine switchboards
• RCD / RCBO protection
• Generator changeover systems
• Fault finding & compliance upgrades
• Full AC rewires to Australian marine standards
Survey & Commercial Vessel Electrical
Electrical installation and maintenance for surveyed commercial vessels operating in Darwin Harbour and NT coastal waters.
• Compliance upgrades
• Emergency repairs
• System design & upgrades
• Ongoing servicing contracts
Marine DC Electrical Systems (12V / 24V)
Professional 12V and 24V DC wiring for boats of all sizes.
• Full vessel rewires
• Battery systems & lithium upgrades
• DC-DC chargers & inverter integration
• Bilge systems & safety circuits
• Navigation electronics & lighting
• Custom system design
Lithium & Charging Integration
Advanced lithium battery systems and charging integration for marine and off-grid applications.
• Victron systems
• Inverter/chargers
• Solar integration
• Proper system engineering — not just battery swaps
DC Systems for Recreational & Trailer Boats
Whether you’re rigging a new boat or upgrading your pride and joy, we wire boats to perform reliably in the Top End’s harsh conditions.
DC rewires and upgrades (12V & 24V)
Tailored installs for tinny owners, centre consoles, and offshore boats
Bilge pumps, float switches, and alarms
Automatic or manual, designed for saltwater exposure
Trolling motor wiring (Minn Kota, MotorGuide)
Plug, isolator and battery bank integration
Battery installations
Lithium and AGM systems using Redarc, Victron, Enerdrive, Invicta, Delkor
Navigation and deck lighting
LED, waterproof, and night-safe wiring
Marine solar panel systems
Off-grid setups with Victron MPPT controllers
Battery isolators, DC-DC chargers, fuse blocks
All compliant, marine-grade systems
Sounder/fish finder installations
Garmin, Lowrance, Furuno
Why Choose Marine Electricians Darwin?
At Marine Electricians Darwin, we take pride in every cable, every connection, and every completed job. We’re not just electricians — we’re boat owners, offshore workers, and Territory locals who know what your vessel means to you.
Built by locals, trusted by locals
We live and work on the water and understand the conditions that marine systems must endure.
Craftsmanship that lasts
Every install is neat, reliable, and designed for long-term performance in NT’s salt, heat, and storms.
Quality gear only
We use trusted marine-grade brands and never cut corners on materials or finish.
Clear quotes, no surprises
We value transparency, fair pricing, and turning up when we say we will.
Backed by Apparent Power NT
A licensed and insured NT electrical contractor with a 12-month workmanship warranty.
When you choose us, you’re choosing a team that treats every job like it’s going on our own boat.
Commercial Marine Services
Supporting Darwin’s working vessels with dependable, compliance-focused marine electrical services.
Fleet electrical upgrades
For tugs, barges, survey vessels, and operators
Scheduled inspection and test services
Annual RCD testing, IR tests, thermal scans, tagging, and logbooks
Emergency repairs and mobile fault-finding
Fast response across Darwin
Switchboards, generator changeovers, and contactors
Labelled, safe, and compliant
Heavy-duty bilge pump installs
With backups, redundancy float switches, and alarms
AC/DC compliant systems
Tailored to meet AMSA standards and audit expectations
Shore power and isolator systems
Correct earthing, weatherproof connections
Compliance-Ready & Professionally Documented
All work is completed to marine standards, fully documented, and built for Top End operating conditions.
Brands We Supply & Install

Garmin
Fish finders, GPS units, combo sounder/chart plotters
Lowrance
Transducers, HDS displays, navigation systems

Furuno
Radar, sonar, AIS, and multifunction marine nav systems

Victron Energy
Battery monitors, inverters, solar regulators

Redarc
DC-DC chargers, isolators, BMS systems

Enerdrive
Lithium batteries, switchgear, monitoring panels

Minn Kota
Electric trolling motors, plug & charge systems

MotorGuide
Electric trolling motors, plug & charge systems

Delkor
Lithium and AGM deep cycle batteries

Invicta
Lithium and AGM deep cycle batteries

Renogy
Lithium and AGM deep cycle batteries

Blue Sea Systems
Marine-grade fuse panels, isolators, switches

BEP Marine
Marine switch panels and battery management

Scanstrut
Waterproof USB charging, mounts, wireless pads

Raymarine
Autopilots, sonar, marine electronics

SIMRAD
Navigation, fish finding, and radar systems for offshore vessels
