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Marine electrical services for Australian boats

Help with onboard electrics, battery systems, charging, wiring and fault diagnosis. Compare 77 reviewed businesses, local coverage and customer feedback.

View on the map Search the full directory

Marine electrical services cover the design, installation, repair and maintenance of all electrical systems aboard boats and yachts. That includes battery banks and charging systems, alternators and engine charging, inverters and shore-power systems, DC and AC wiring, lighting, instrument power and solar installations. Marine electricians work with systems that must survive constant vibration, saltwater spray and limited ventilation, so the workmanship and component selection differ from land-based electrical work.

You need a marine electrician when electrics fail, when you’re fitting new equipment, or when you’re upgrading your battery or charging system before an extended cruise. Typical triggers are persistent battery drain, charging faults, blown fuses, flickering lights, overheating chargers, unreliable shore-power or poor battery performance. You’ll also use this trade when refitting a boat, installing an electric windlass, adding an inverter or integrating solar and battery-management systems.

A good job is safe, durable and clearly documented. Expect correctly sized cable runs, labelled circuits and accessible isolation switches; corrosion-resistant terminations and bedding; properly rated circuit protection; secure mounting and adequate ventilation for batteries and chargers; and commissioning that includes charging performance checks and a handover that explains how systems operate and how to maintain them. Before booking, ask about the technician’s marine experience, insurance and wiring examples, agree a written scope and ask how they will test and document the finished work.

Reviewed directory

Businesses offering marine electrical

Page 2 of 4

Marine electronics
Cullys Henderson, WA
Cullys is a Henderson electrical and engineering contractor with more than three decades of experience across commercial, defence and recreational marine work. Its capability includes design, installation, integration, commissioning and maintenance.
Marine electrical Marine electronics Engine service
View profile
Marine electronics
DJL Electrical Centennial Park, WA
DJL Electrical is an Albany electrical contractor with a dedicated marine capability for commercial vessels, including installations, breakdown maintenance and electronic repairs.
Marine electrical Marine electronics
View profile
Marine electronics
Dyna Automotive Paget, QLD
Dyna Automotive provides marine electrical and electronics services from its workshop in Paget, Queensland, serving boat owners in the Mackay region. Sailors can contact the team on 0430 581 234 or via email at dynaautomotive@gmail.com for quotes and appointments.
Marine electrical Marine electronics
View profile
Marine electronics
ElecMarine Innovations Adelaide, SA
ElecMarine Innovations provides marine electrical and electronic work around Adelaide yacht clubs and marinas, covering onboard AC/DC systems, power management, electronics and vessel upgrades.
Marine electrical Marine electronics
View profile
Marine electronics
Electech Industries Manly, QLD
Electech Industries is based at the Royal Queensland Yacht Squadron and has a dedicated marine electrical capability alongside residential and commercial electrical work. It also designs electrical systems for survey vessels.
Marine electrical Marine electronics Marine communications
View profile
Marine electronics
ElectroMech Marine Woolner, NT
ElectroMech Marine has more than 25 years of marine engineering experience in Darwin and includes dedicated DC marine electrical services, inverter and charger installation, monitoring and fault diagnosis.
Marine electrical Marine electronics Engine service
View profile
Marine electronics
eMarine Solutions Mooloolaba, QLD
eMarine Solutions is a mobile Mooloolaba-based team for boats that need both electronics and the power to run them reliably. Its Queensland coastal service covers chartplotters and navigation gear, charging and high-output alternators, multi-voltage systems and watermakers—an appealing mix for cruising yachts preparing to spend more time away from marinas.
Marine electrical Marine electronics Navigation electronics
View profile
Marine electronics
Evolution Marine Williamstown, VIC
Evolution Marine is a Williamstown boat-service business with specialist electrical fit-out and marine electronics installation capability as part of its broader vessel maintenance and refit work.
Marine electrical Marine electronics
View profile
Marine electronics
Geelong Auto Electrics Geelong, VIC
Geelong Auto Electrics has a dedicated marine electrician service focused on diagnosing boat electrical faults and installing batteries, chargers, lighting and low-voltage equipment.
Marine electrical Marine electronics
View profile
Marine electronics
Goaty's Marine Queenscliff, VIC
Goaty's Marine provides specialist marine electrical, electronics and boatbuilding support from the Queenscliff area, with experience on cruising yachts, race boats and power vessels.
Marine electrical Marine electronics
View profile
Marine electronics
Hang Loose Marine Electrical Clontarf, QLD
Hang Loose Electrical operates from Clontarf and explicitly specialises in marine electrical work alongside residential and commercial services, including full rewires, solar, batteries and new-boat fit-outs.
Marine electrical Marine electronics
View profile
Marine electronics
Hydrosparkx Sydney, NSW
Hydrosparkx is a mobile marine electrician servicing yachts and powerboats. Its current site lists electrical and electronics sales, installation, programmed maintenance, repair and full rewiring.
Marine electrical Marine electronics
View profile
Marine electronics
IATRT Winnellie, NT
IATRT gives Darwin and remote NT boat owners a workshop-backed option for complete marine electrical work. From rewires and lithium or solar upgrades to shore power, alternator charging, NMEA 2000 networks, radar and autopilots, the Winnellie team can tackle the infrastructure behind a reliable northern-Australian fit-out.
Marine electrical Marine electronics Navigation electronics
View profile
Marine electronics
IPOWER Industries Cannonvale, QLD
IPOWER Industries is a licensed Whitsundays electrical contractor with a dedicated marine service for private and commercial vessels. Its current site emphasises reliability, compliance and maintenance of onboard electrical systems.
Marine electrical Marine electronics Marine communications
View profile
Marine electronics
Island Marine Lindisfarne, TAS
Island Marine is a Hobart electronics specialist serving recreational, fishing and commercial vessels from the Motor Yacht Club of Tasmania. Operating since 1999 with qualified electrical contractors on staff, it installs, integrates and services high-end navigation, communications and onboard electrical systems across Tasmania.
Marine electrical Marine electronics Navigation electronics
View profile
Marine electronics
Jacko's Auto & Marine Electrics Mackay Harbour, QLD
Jacko's Auto & Marine Electrics operates from Mackay Harbour and explicitly provides marine electrical work including batteries, lighting, power distribution and electronics.
Marine electrical Marine electronics
View profile
Marine electronics
K Electrical East Bundaberg, QLD
K Electrical is a Bundaberg electrical contractor with a dedicated marine service covering onboard electrical systems, generators, batteries, solar, inverters and electronics.
Marine electrical Marine electronics Marine communications
View profile
Marine electronics
KA Electrics Kenwick, WA
KA Electrics works across heavy vehicle, industrial and marine electrical sectors and explicitly provides marine electronics, lighting, charging and battery services.
Marine electrical Marine electronics
View profile
Marine electronics
Mandurah Marine Electrical Mandurah / Peel Region, WA
Mandurah Marine Electrical brings more than 30 years of marine electrical experience to recreational and commercial vessels across Western Australia. The mobile team covers navigation electronics, battery and solar systems, audio-visual installations, diagnostics and general electrical repair, travelling from the Peel region through Perth and statewide for suitable projects.
Marine electrical Marine electronics Navigation electronics
View profile
Marine electronics
Marine Essentials Taren Point, NSW
Marine Essentials is a Sydney marine service business established in 2009. Electrical repairs and installations are an explicit part of its broader boat maintenance and refit service.
Marine electrical Marine electronics
View profile
Marine electronics
Marine Tech Electrics Airlie Beach, QLD
Dessalator's current Australian agents page lists Marine Tech Electrics in Airlie Beach as an official Australian agent.
Marine electrical Marine electronics Watermakers
View profile
Marine electronics
Mariner Engineering Spotswood, VIC
Mariner Engineering has supported Melbourne boats since 1995 with certified marine electricians, a Spotswood workshop and mobile service around Port Phillip. The team handles navigation-equipment installation, engine controls, diagnostics, repairs and emergency electrical work, with broader engineering capability when an electronics job overlaps mechanical systems.
Marine electrical Marine electronics Engine service
View profile
Marine electronics
Maritime Electronic Services O'Connor, WA
Maritime Electronic Services has more than 40 years of experience supporting Perth’s recreational and commercial boats. From its O’Connor base, the team installs and services navigation and communications equipment while also handling batteries, chargers, solar, wind generation and watermakers—the systems coastal and offshore cruisers depend on together.
Marine electrical Marine electronics Navigation electronics
View profile
Marine electronics
Mobile Marine Electrics Taylors Beach, NSW
Mobile Marine Electrics operates a marina showroom in Nelson Bay and a workshop in Taylors Beach. Its current services include lithium installations, charging and inverter systems, marine electronics and complete electrical system design.
Marine electrical Marine electronics
View profile

The full picture

About marine electrical in Australia

What marine electricians actually do

Diagnose faults and trace parasitic drains that shorten battery life.
Replace or upgrade batteries, including supervision of battery bank layout and ventilation.
Install and commission alternators, battery chargers and multi-stage inverters/chargers.
Fit shore-power systems, including sockets, inlet leads and related protection components.
Design and install solar arrays, regulators and battery-management integration.
Rewire or tidy existing DC and AC installations, upgrade switchboards and label circuits.
Fit safety devices—battery switches, isolators, circuit breakers and monitoring instruments—and test their operation.
Corrosion control on connections, use of marine-grade terminals and correct bedding/sealing.

Common reasons to call one out

Batteries that won’t hold charge or show inconsistent voltage readings.
Charging systems that don’t accept charge from alternator, shore power or solar.
Intermittent electrical faults, blown fuses or tripping protection without obvious cause.
Preparing a boat for offshore cruising, where reliability and redundancy matter.
Upgrading to new battery chemistry or adding significant loads (inverter, shore-aircon, windlass).

What a good job looks like

A clear, written scope before work begins and an itemised quote for parts and labour.
Correct cable sizing with marine-grade cable, secure lugs and heat-shrink bedding where appropriate.
Adequate circuit protection close to battery sources and clearly labelled panels.
Properly mounted battery banks with drip trays, ventilation and safe access for maintenance.
Commissioning tests recorded: battery voltage under load, charging acceptance, and evidence of eliminated parasitic draws.
A handover that explains normal readings, switching procedures and maintenance intervals.

Typical steps in a job

Initial inspection and diagnostic testing, often including load tests and voltage tracing.
A written recommendation outlining options, component quality differences and any access issues.
Work scheduling with consideration for tide, marina rules and boat access.
Installation using marine-specific components and corrosion-prevention measures.
Commissioning, load testing and a practical demonstration on board.
Documentation and any warranty paperwork supplied with parts.

Battery and charging considerations

Battery chemistry matters: flooded, sealed lead-acid, AGM, gel or lithium each have different charging profiles and ventilation needs.
Lithium upgrades often require compatible chargers, a battery-management system and altered wiring/protection arrangements.
Charging strategy should match your usage: alternator-only, smart multi-stage chargers, shore-power, solar input and an inverter all need coordinated control.

Safety, compliance and environmental points

Marine electrical work should be done with correct isolation and testing; vessels present unique shock and fire risks if systems are incorrectly modified.
Check that the technician carries appropriate liability insurance and can work within marina or haul-out site rules.
Batteries are hazardous waste; ask how old batteries will be handled and whether the technician arranges safe disposal or recycling.

Questions to ask before you book

Have you worked on boats of this type and size before, and can you show examples or references?
Do you carry public liability insurance and relevant trade licences for electrical work?
Will I get a written scope, an itemised quote and post-work documentation including test results?
How will you manage access, working around marina constraints, and will you conduct a sea trial to confirm performance?
Can you support the battery chemistry I want and do you offer compatible monitoring or battery-management options?

Aftercare and maintenance

Agree a simple maintenance schedule: visual checks, terminal cleaning, connection tightness checks and periodic capacity testing.
Keep a log of charging voltages and any software updates for smart chargers or BMS units.
If you notice unexplained voltage drops or repeated tripping, call the electrician back—small issues escalate rapidly in a marine environment.

Costs, schedules and specific regulatory requirements vary with location, vessel access and the complexity of the system. A good marine electrician will explain options, risks and likely timeframes and leave you with labelled, tested and safer electrics ready for the next trip.

Mechanical & electrical

Marine electrical services for Australian boats

Help with onboard electrics, battery systems, charging, wiring and fault diagnosis. Compare 77 reviewed businesses, local coverage and customer feedback.

View on the map Search the full directory

Reviewed directory

Businesses offering marine electrical

Page 2 of 4

Marine electronics
Cullys Henderson, WA
Cullys is a Henderson electrical and engineering contractor with more than three decades of experience across commercial, defence and recreational marine work. Its capability includes design, installation, integration, commissioning and maintenance.
Marine electrical Marine electronics Engine service
View profile
Marine electronics
DJL Electrical Centennial Park, WA
DJL Electrical is an Albany electrical contractor with a dedicated marine capability for commercial vessels, including installations, breakdown maintenance and electronic repairs.
Marine electrical Marine electronics
View profile
Marine electronics
Dyna Automotive Paget, QLD
Dyna Automotive provides marine electrical and electronics services from its workshop in Paget, Queensland, serving boat owners in the Mackay region. Sailors can contact the team on 0430 581 234 or via email at dynaautomotive@gmail.com for quotes and appointments.
Marine electrical Marine electronics
View profile
Marine electronics
ElecMarine Innovations Adelaide, SA
ElecMarine Innovations provides marine electrical and electronic work around Adelaide yacht clubs and marinas, covering onboard AC/DC systems, power management, electronics and vessel upgrades.
Marine electrical Marine electronics
View profile
Marine electronics
Electech Industries Manly, QLD
Electech Industries is based at the Royal Queensland Yacht Squadron and has a dedicated marine electrical capability alongside residential and commercial electrical work. It also designs electrical systems for survey vessels.
Marine electrical Marine electronics Marine communications
View profile
Marine electronics
ElectroMech Marine Woolner, NT
ElectroMech Marine has more than 25 years of marine engineering experience in Darwin and includes dedicated DC marine electrical services, inverter and charger installation, monitoring and fault diagnosis.
Marine electrical Marine electronics Engine service
View profile
Marine electronics
eMarine Solutions Mooloolaba, QLD
eMarine Solutions is a mobile Mooloolaba-based team for boats that need both electronics and the power to run them reliably. Its Queensland coastal service covers chartplotters and navigation gear, charging and high-output alternators, multi-voltage systems and watermakers—an appealing mix for cruising yachts preparing to spend more time away from marinas.
Marine electrical Marine electronics Navigation electronics
View profile
Marine electronics
Evolution Marine Williamstown, VIC
Evolution Marine is a Williamstown boat-service business with specialist electrical fit-out and marine electronics installation capability as part of its broader vessel maintenance and refit work.
Marine electrical Marine electronics
View profile
Marine electronics
Geelong Auto Electrics Geelong, VIC
Geelong Auto Electrics has a dedicated marine electrician service focused on diagnosing boat electrical faults and installing batteries, chargers, lighting and low-voltage equipment.
Marine electrical Marine electronics
View profile
Marine electronics
Goaty's Marine Queenscliff, VIC
Goaty's Marine provides specialist marine electrical, electronics and boatbuilding support from the Queenscliff area, with experience on cruising yachts, race boats and power vessels.
Marine electrical Marine electronics
View profile
Marine electronics
Hang Loose Marine Electrical Clontarf, QLD
Hang Loose Electrical operates from Clontarf and explicitly specialises in marine electrical work alongside residential and commercial services, including full rewires, solar, batteries and new-boat fit-outs.
Marine electrical Marine electronics
View profile
Marine electronics
Hydrosparkx Sydney, NSW
Hydrosparkx is a mobile marine electrician servicing yachts and powerboats. Its current site lists electrical and electronics sales, installation, programmed maintenance, repair and full rewiring.
Marine electrical Marine electronics
View profile
Marine electronics
IATRT Winnellie, NT
IATRT gives Darwin and remote NT boat owners a workshop-backed option for complete marine electrical work. From rewires and lithium or solar upgrades to shore power, alternator charging, NMEA 2000 networks, radar and autopilots, the Winnellie team can tackle the infrastructure behind a reliable northern-Australian fit-out.
Marine electrical Marine electronics Navigation electronics
View profile
Marine electronics
IPOWER Industries Cannonvale, QLD
IPOWER Industries is a licensed Whitsundays electrical contractor with a dedicated marine service for private and commercial vessels. Its current site emphasises reliability, compliance and maintenance of onboard electrical systems.
Marine electrical Marine electronics Marine communications
View profile
Marine electronics
Island Marine Lindisfarne, TAS
Island Marine is a Hobart electronics specialist serving recreational, fishing and commercial vessels from the Motor Yacht Club of Tasmania. Operating since 1999 with qualified electrical contractors on staff, it installs, integrates and services high-end navigation, communications and onboard electrical systems across Tasmania.
Marine electrical Marine electronics Navigation electronics
View profile
Marine electronics
Jacko's Auto & Marine Electrics Mackay Harbour, QLD
Jacko's Auto & Marine Electrics operates from Mackay Harbour and explicitly provides marine electrical work including batteries, lighting, power distribution and electronics.
Marine electrical Marine electronics
View profile
Marine electronics
K Electrical East Bundaberg, QLD
K Electrical is a Bundaberg electrical contractor with a dedicated marine service covering onboard electrical systems, generators, batteries, solar, inverters and electronics.
Marine electrical Marine electronics Marine communications
View profile
Marine electronics
KA Electrics Kenwick, WA
KA Electrics works across heavy vehicle, industrial and marine electrical sectors and explicitly provides marine electronics, lighting, charging and battery services.
Marine electrical Marine electronics
View profile
Marine electronics
Mandurah Marine Electrical Mandurah / Peel Region, WA
Mandurah Marine Electrical brings more than 30 years of marine electrical experience to recreational and commercial vessels across Western Australia. The mobile team covers navigation electronics, battery and solar systems, audio-visual installations, diagnostics and general electrical repair, travelling from the Peel region through Perth and statewide for suitable projects.
Marine electrical Marine electronics Navigation electronics
View profile
Marine electronics
Marine Essentials Taren Point, NSW
Marine Essentials is a Sydney marine service business established in 2009. Electrical repairs and installations are an explicit part of its broader boat maintenance and refit service.
Marine electrical Marine electronics
View profile
Marine electronics
Marine Tech Electrics Airlie Beach, QLD
Dessalator's current Australian agents page lists Marine Tech Electrics in Airlie Beach as an official Australian agent.
Marine electrical Marine electronics Watermakers
View profile
Marine electronics
Mariner Engineering Spotswood, VIC
Mariner Engineering has supported Melbourne boats since 1995 with certified marine electricians, a Spotswood workshop and mobile service around Port Phillip. The team handles navigation-equipment installation, engine controls, diagnostics, repairs and emergency electrical work, with broader engineering capability when an electronics job overlaps mechanical systems.
Marine electrical Marine electronics Engine service
View profile
Marine electronics
Maritime Electronic Services O'Connor, WA
Maritime Electronic Services has more than 40 years of experience supporting Perth’s recreational and commercial boats. From its O’Connor base, the team installs and services navigation and communications equipment while also handling batteries, chargers, solar, wind generation and watermakers—the systems coastal and offshore cruisers depend on together.
Marine electrical Marine electronics Navigation electronics
View profile
Marine electronics
Mobile Marine Electrics Taylors Beach, NSW
Mobile Marine Electrics operates a marina showroom in Nelson Bay and a workshop in Taylors Beach. Its current services include lithium installations, charging and inverter systems, marine electronics and complete electrical system design.
Marine electrical Marine electronics
View profile

The full picture

About marine electrical in Australia

What marine electricians actually do

Diagnose faults and trace parasitic drains that shorten battery life.
Replace or upgrade batteries, including supervision of battery bank layout and ventilation.
Install and commission alternators, battery chargers and multi-stage inverters/chargers.
Fit shore-power systems, including sockets, inlet leads and related protection components.
Design and install solar arrays, regulators and battery-management integration.
Rewire or tidy existing DC and AC installations, upgrade switchboards and label circuits.
Fit safety devices—battery switches, isolators, circuit breakers and monitoring instruments—and test their operation.
Corrosion control on connections, use of marine-grade terminals and correct bedding/sealing.

Common reasons to call one out

Batteries that won’t hold charge or show inconsistent voltage readings.
Charging systems that don’t accept charge from alternator, shore power or solar.
Intermittent electrical faults, blown fuses or tripping protection without obvious cause.
Preparing a boat for offshore cruising, where reliability and redundancy matter.
Upgrading to new battery chemistry or adding significant loads (inverter, shore-aircon, windlass).

What a good job looks like

A clear, written scope before work begins and an itemised quote for parts and labour.
Correct cable sizing with marine-grade cable, secure lugs and heat-shrink bedding where appropriate.
Adequate circuit protection close to battery sources and clearly labelled panels.
Properly mounted battery banks with drip trays, ventilation and safe access for maintenance.
Commissioning tests recorded: battery voltage under load, charging acceptance, and evidence of eliminated parasitic draws.
A handover that explains normal readings, switching procedures and maintenance intervals.

Typical steps in a job

Initial inspection and diagnostic testing, often including load tests and voltage tracing.
A written recommendation outlining options, component quality differences and any access issues.
Work scheduling with consideration for tide, marina rules and boat access.
Installation using marine-specific components and corrosion-prevention measures.
Commissioning, load testing and a practical demonstration on board.
Documentation and any warranty paperwork supplied with parts.

Battery and charging considerations

Battery chemistry matters: flooded, sealed lead-acid, AGM, gel or lithium each have different charging profiles and ventilation needs.
Lithium upgrades often require compatible chargers, a battery-management system and altered wiring/protection arrangements.
Charging strategy should match your usage: alternator-only, smart multi-stage chargers, shore-power, solar input and an inverter all need coordinated control.

Safety, compliance and environmental points

Marine electrical work should be done with correct isolation and testing; vessels present unique shock and fire risks if systems are incorrectly modified.
Check that the technician carries appropriate liability insurance and can work within marina or haul-out site rules.
Batteries are hazardous waste; ask how old batteries will be handled and whether the technician arranges safe disposal or recycling.

Questions to ask before you book

Have you worked on boats of this type and size before, and can you show examples or references?
Do you carry public liability insurance and relevant trade licences for electrical work?
Will I get a written scope, an itemised quote and post-work documentation including test results?
How will you manage access, working around marina constraints, and will you conduct a sea trial to confirm performance?
Can you support the battery chemistry I want and do you offer compatible monitoring or battery-management options?

Aftercare and maintenance

Agree a simple maintenance schedule: visual checks, terminal cleaning, connection tightness checks and periodic capacity testing.
Keep a log of charging voltages and any software updates for smart chargers or BMS units.
If you notice unexplained voltage drops or repeated tripping, call the electrician back—small issues escalate rapidly in a marine environment.