3 Phase Power Upgrades in Sydney
Most homes and businesses in Sydney run on single-phase power until the system can't keep up. We provide professional 3-phase power upgrades that handle heavier electrical loads, support modern equipment, and keep your property compliant and ready for what's next.
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Why might your property need an upgrade to three phase power?
Single phase power runs at 230V, which works fine for standard appliances. Once you add EV chargers, large air conditioning units, solar systems, or heavy machinery, that capacity runs short fast. A three phase power upgrade brings your supply up to 400V across three conductors, giving your property the headroom to handle modern electrical demands safely and reliably.
Supporting heavy electrical loads
Heavy electrical loads are appliances or systems that draw more current than a standard single-phase supply can handle. Ducted air conditioning, large water heaters, and industrial ovens all fall into this category. A three-phase supply distributes that demand across three conductors, keeping circuits stable and reducing the risk of overload.
Enabling EV charging infrastructure
Three phase EV charging delivers up to 22kW of power, compared to 7.4kW on a single-phase circuit. That means a compatible EV charges roughly three times faster at home or at a commercial site. Properties with three-phase supply are already set up to handle current and future EV charging needs without additional electrical work.
Optimising machinery and equipment performance
Three-phase motors run with consistent torque and less vibration than single-phase equivalents. This matters for workshop tools, compressors, and pumps that operate under sustained load. The result is lower wear on equipment, fewer breakdowns, and longer service life.
Commercial and industrial applications
Commercial and industrial properties run multiple high-demand systems at once, from HVAC and lifts to production equipment. A three-phase electrical load upgrade gives these properties the capacity to run those systems together without voltage drops or tripped breakers. It also keeps the site compliant with the higher electrical demands that commercial use requires.
What is included in a 3 phase power upgrade service?
A complete three-phase power upgrade service covers Level 2 electrical services, switchboard upgrade or modification, main cable upgrade, new three phase metering, safety and compliance testing, network provider application, etc. Each step must meet AS/NZS 3000 Wiring Rules and NSW Service and Installation Rules. We manage the full scope of work, from the first site assessment through to final network connection, so nothing is missed.
3 phase wiring Sydney and connection setup
Three-phase wiring and connection setup covers the internal wiring from the switchboard through to circuits and equipment within your property. A Level 2 accredited service provider handles the connection from the street supply to your switchboard separately. Together, both scopes deliver a fully connected, AS/NZS 3000:2018 compliant three-phase system ready for high demand equipment.
Electrical load upgrade for homes and businesses
An electrical load upgrade increases your property’s total power capacity to match current and future demand. We assess your existing supply and size the new system to your actual load requirements. This stops circuits from tripping under pressure and protects your equipment long term.
Installation of new three phase circuits
New three-phase circuits are dedicated wiring runs that deliver balanced power directly to specific equipment or areas. We install these circuits with correct cable sizing, protective devices, and earthing to meet AS/NZS 3000 requirements. Each circuit is tested before it goes live.
Replacement or upgrade of existing single phase systems
Replacing a single-phase system means removing the existing supply infrastructure and installing three-phase wiring, a new switchboard, and an updated meter. We handle the full transition so your property moves from 230V single-phase to 400V three-phase without gaps in compliance or safety.
Safety testing and compliance checks
Safety testing confirms every part of the installation performs within safe operating limits before handover. We carry out insulation resistance tests, earth fault loop impedance checks, and RCD testing as required by AS/NZS 3000:2018. A Certificate of Compliance is issued at the end of every job.
Level 2 Electrical Services
Level 2 electrical work covers tasks on the network side of your meter, including service line connections, metering upgrades, and supply point work. Only an Ausgrid or Endeavour Energy accredited Level 2 ASP can carry out this work legally in NSW. We hold the required accreditation to manage this end of your upgrade from start to finish.
Switchboard Upgrade/Modification
A switchboard upgrade replaces an older or undersized board with one rated to handle three-phase supply and modern circuit protection. We fit new circuit breakers, RCDs, and surge protection devices where required. A correctly sized switchboard is the foundation of a safe and compliant three-phase installation.
Main Cable Upgrade
The main cable connects your switchboard to the network supply point and must be rated for the increased load a three-phase system carries. We replace undersized cables with correctly rated conductors sized to AS/NZS 3008.1 standards. This protects your property from overheating and voltage drop under full load.
New 3 Phase Metering
Three-phase metering measures consumption across all three phases and is required by your network provider before a three-phase connection goes live. We coordinate the meter installation with your network provider and make sure it meets their technical specifications. This step is mandatory before your upgrade can be energised.
Detailed Services
Popular Service We Provide
Metering Services & Smart Meter Installation
We install and configure advanced smart meters to accurately monitor your energy usage and reduce electricity costs with real-time data tracking.
Switchboard Upgrades, Repairs & Relocation
Modernize or relocate your switchboard for improved safety, compliance, and energy distribution — all handled by licensed electricians.
Service Fuse and Fuse Box Repairs & Upgrades
Protect your home from electrical hazards with professional fuse box repairs, replacements, and upgrades using modern safety standards.
Charge overnight instead of hunting for public stations. We install Level 2 home chargers with dedicated 240V circuits and handle permits so you wake up to a full battery daily.
How does a three phase power upgrade improve your property?
A three phase power upgrade gives your property a more stable, higher capacity supply at 400V across three active conductors. That changes how your property handles load, safety, and long-term electrical capacity across three areas.
Facts verified.
Reliable electricity supply
Three-phase power delivers electricity across three active conductors so voltage never drops to zero between cycles. This keeps ducted air conditioning, EV chargers, and high-draw appliances running without flickering lights or tripped breakers. Your equipment runs under consistent voltage, which reduces wear over time.
Safer electrical system
A three-phase system spreads load evenly across three phases rather than pushing everything through one conductor. This lowers the risk of overheated wiring, overloaded circuits, and voltage fluctuations that damage sensitive electronics. The result is a more stable, fault-resistant installation that meets AS/NZS 3000 safety standards.
Future-proofing your property
Three-phase supply supports solar systems up to 30kW in NSW, based on Ausgrid’s limit of 10kW per phase, along with 22kW EV chargers and battery storage. Properties with three-phase connections handle new technology without repeated electrical upgrades. That also makes your property more attractive to buyers with high power demands.
Is professional installation required for 3 phase power?
Yes. Under the Gas and Electricity (Consumer Safety) Act 2017 and NSW Service and Installation Rules, all three-phase power work must be carried out by a licensed electrician, with network-side connections handled exclusively by a Level 2 Accredited Service Provider.
Compliance with electrical regulations
All three-phase electrical work in NSW must be carried out under a valid electrician’s licence, as required by the Gas and Electricity (Consumer Safety) Act 2017. A licensed electrician issues a Certificate of Compliance for Electrical Work (CCEW) at the end of every job. Without it, your installation has no legal standing and your insurance may not cover any resulting damage.
Qualified electrician for safe wiring
A qualified electrician sizes cables correctly, installs proper circuit protection, and earths the system to AS/NZS 3000:2018 standards. Three-phase wiring carries 400V across three active conductors, which demands precise installation to avoid overheating, voltage imbalance, and equipment damage. Getting this right from the start protects both the people using the property and the equipment connected to it.
Long-term performance and protection of equipment
A correctly installed three-phase system delivers balanced voltage across all phases, which is what motors, compressors, and sensitive electronics need to perform properly over time. Voltage imbalance from poor wiring causes overheating and premature failure in three-phase equipment. Professional installation backed by a CCEW also keeps your manufacturer warranties valid.
Avoiding risks of DIY or unlicensed work
Unlicensed electrical work is illegal in NSW. Individuals face fines up to $22,000 and companies up to $110,000 under NSW Fair Trading regulations. Beyond the financial risk, unlicensed work cannot be retrospectively certified, meaning your home and contents insurance will not cover any fire or damage that results from it.
Our promise
Built on Trust, Delivered With Excellence
Safety First
Your safety is our top priority. Every installation, repair, and upgrade we complete follows strict Australian Standards and Level 2 regulations — ensuring total compliance and long-term peace of mind.
Professionalism
We take pride in our work. From residential jobs to large-scale commercial projects, our team delivers neat, efficient, and high-quality results that reflect the professionalism of Top Electricians Sydney.
Reliability
You can count on us 24/7. Whether it’s an emergency power fault or scheduled maintenance, we respond quickly and complete every task on time — with honest communication throughout the process.
Innovation
We embrace modern technology to provide energy-efficient, cost-effective, and future-ready electrical solutions — from smart metering to EV charger installations and sustainable energy systems.
How much does a 3 phase power upgrade cost?
The cost of a three-phase power upgrade in NSW varies based on your property’s existing infrastructure, cable distance, and the full scope of work required. See the breakdown below.
Service / Component | Other Providers (EST.) | Our Competitive Rate | Your Potential Savings |
Call-out Fee | $50 – $150 | $0 (Always Free) | 100% Saving |
3-Phase Smart Meter | $200 – $600 | $0 (Fully Free) | 100% Saving |
Asbestos Panel Removal | $500 – $800 | $450 – $750 | Full Save (if modern board) |
3-Phase Main Breaker | $300 – $500 | $250 – $450 | Full Save (if board is modern) |
Switchboard Upgrade | $800 – $2,000 | $750 – $1,800 | Save ~$1,500 |
Consumer Mains (Cabling) | $500 – $1,500 | $450 – $1,400 | Save ~$1,000 |
Level 2 ASP Labour | $1,200 – $2,500 | $1,000 – $2,200 | Market Competitive |
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Reason for 3 phase Upgrade with us
Your Trusted Local Electrical Experts
Top Electrician delivers professional three phase upgrades with certified expertise, transparent pricing, and reliable service across Sydney.
What Sets Us Apart
Others treat symptoms and disappear. We identify deep-rooted issues and deliver lasting solutions. Our Level 2 licensed electricians provide crystal-clear pricing, rock-solid guarantees, and round-the-clock emergency support. Experience honest expertise refined over 10+ years of dedicated service.
Licensed & fully accredited Level 2 ASP electricians
Our team holds full Level 2 accreditation, ensuring legal compliance and safe installations for every project.
24/7 emergency electrical support
We provide round-the-clock emergency assistance, responding quickly to urgent electrical issues whenever you need us.
Upfront, transparent pricing with no surprises
We quote clearly before starting work, with no hidden fees or unexpected charges added later.
Tailored solutions for residential & commercial clients
We design custom electrical solutions that match your specific property needs and operational requirements perfectly.
Proven track record & verified customer reviews
Our satisfied clients consistently rate our service highly, confirming our commitment to quality and professionalism. Top Electrician combines technical expertise with customer service excellence, making your three phase upgrade smooth and stress-free.
Our service vs other service
When should you consider upgrading to three phase power?
A three phase power upgrade makes sense once your property’s electrical demand regularly pushes past what a single-phase supply can handle. Several specific situations signal that your current setup can no longer keep up safely or reliably.
Frequent power trips or overloaded circuits
Frequent circuit breaker trips mean your single-phase supply is struggling to meet your property’s current demand. This happens when multiple high-draw appliances run at the same time on one conductor. A three-phase electrical load upgrade distributes that demand across three phases, stopping nuisance trips for good.
Planning EV charging at home or business
A standard single-phase circuit supports EV charging at around 7.4kW. A three-phase supply brings that up to 22kW, cutting charge time on a 60kWh battery from roughly seven hours to under three. Properties planning to charge one or more EVs need three-phase supply to do it properly.
Installing high-power machinery or industrial equipment
High-power machinery including compressors, lathes, and industrial air conditioning systems are designed to run on three-phase power. Single-phase supply cannot deliver the consistent torque and voltage these motors need to start and run safely. A three-phase electricity installation gives this equipment the stable, balanced supply it requires.
Renovations or expanding electrical capacity
Major renovations that add ducted air conditioning, larger kitchens, workshops, or additional circuits will often push a single-phase supply past its limit. Upgrading during a renovation is more cost-effective than retrofitting later. It also sets the property up to handle any further electrical expansion without another infrastructure overhaul.
Get your 3 phase power upgrade today
Our licensed Level 2 electricians manage your three phase power upgrade from the first assessment through to final compliance certification. We handle all network applications, switchboard work, and safety testing so your property is connected, compliant, and ready to perform.
Book a consultation with our licensed electricians
A site consultation lets our electricians assess your current supply, identify what your property needs, and build an upgrade plan around your actual load requirements. No guesswork, no surprises. Book your consultation today and get a clear picture of what your upgrade involves before any work begins.
Get a free quote for your property
Every three-phase power upgrade is priced based on your property’s specific scope of work. We provide a fixed, upfront quote with no hidden costs after your site assessment. Contact us today to get your free quote and know exactly what your upgrade will cost before we start.
Ensure safe, compliant, and efficient three phase power
All our three phase installations meet AS/NZS 3000:2018 Wiring Rules and NSW Service and Installation Rules. Every job is completed by a licensed Level 2 ASP electrician and backed by a Certificate of Compliance for Electrical Work. Your property gets a safe, legally compliant system built to last.
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