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15kW Solar Inverter Systems

A 15kW solar inverter system offers the scale and strength to power larger residential homes or medium-sized businesses with high energy demand. Designed for three phase properties and commercial-grade setups, this system delivers consistent energy production, high efficiency, and seamless operation across varied weather conditions, from scorching summers to heavy rain through our solar inverters.

At Solar Galaxy, we supply and install CEC-certified inverters from globally recognised brands like Fronius, Sungrow, and SMA. Our solutions include cutting-edge safety features such as arc fault circuit interrupter protection, with seamless grid integration, backup mode support, and quiet operation. Each system is carefully planned, installed, and maintained to ensure peak performance for years to come.

Why 15kW Solar Systems Are Ideal for Larger Energy Loads

Solar systems at the 15kW size are suited to properties with sustained high daytime usage, often generating up to 60kWh per day. That’s ideal for running multiple appliances, machinery, or even EV chargers, while significantly lowering your electricity bills with our solar systems.

  • Support for phase inverter integration
  • Compatibility with three phase grid supply
  • Built-in grid mode max response functionality
  • Smart battery-ready backup options
  • Adaptive cooling and quiet operation
  • Play installation designs that reduce install time and space needs
Why 15kW Solar Systems Are Ideal for Larger Energy Loads

15kW Solar System Specifications

Solar Galaxy’s 15kW packages are engineered for dependable operation under industry stress conditions. Our units support reliable energy flow, long-lasting power, and smart automation features. Whether you’re looking for indoor deployment or exposure-tested outdoor units, we’ve got solutions that deliver.

Key Features of a 15kW Inverter System

  • CEC-certified inverters from globally respected brands
  • Advanced arc fault circuit interrupter protection against dc arcs
  • Three phase and phase inverter compatible systems
  • Built to withstand extreme temperatures, dust, and rain
  • Designed for both indoor and rooftop installation
  • Enhanced efficiency, typically over 98%
  • Smart inverter controls and grid response management
  • Fully prepared for backup mode and future battery integration
  • Seamless quiet operation for both home and business environments

Best Use Cases

  • Residential properties with large roof space and high usage
  • Energy-intensive business premises or light industrial operations
  • Customers looking to expand with battery backup
  • Projects with large panel number requirements
  • Systems demanding high-output, scalable solar infrastructure

Little Effort, Big Results

Solar Is Simple With SolarGalaxy.

We Get to Know Your Energy Needs.

No cookie cutters in our tool box! We tailor the perfect solar or storage system based on your needs.

1

Leave It to the Pros.

Our expert team swoops in, designing and installing a customised solution so you can thrive from day one. We handle everything—no sweat for you!

2

Pick Your Plan. Power Your Home.

Choose a payment option that suits your needs—from no money down to predictable monthly payments, leases or upfront – You’re in charge!

3

Sit Back, We’ve Got This!

We’ve got your back with 24/7 system monitoring, guarantees, and top-tier customer support. Together, we’re creating a cleaner, greener planet—powered by the sun.

4

SOLAR AND BEYOND

Powering Partnerships

Compare Our Battery Brands

We offer a curated selection of leading battery brands known for their efficiency, safety features, smart controls, and long cycle life. These brands are compliant with Australian standards and eligible for government rebates.

FAQs About 15kW Solar Inverter Systems

Got Questions About 15kW Solar Inverter Systems? We’ve Got Answers!

Not at all. Many larger residential homes benefit from this size, especially if they use three phase power and want to future-proof with backup or EV charging.

A 15kW inverter typically pairs with a solar array between 17kW and 20kW, depending on efficiency, roof space, and system design. To explore compatible panel options, visit our solar panels page.

Most systems include 36 to 45 panels, depending on panel wattage and available roof space.

Yes, many 15kW solar installations qualify for Small-scale Technology Certificates (STCs) and other government incentives. These rebates can reduce the upfront cost of switching to solar. For current eligibility details, visit our solar inverter rebates page.

Absolutely. It’s ideal for small-to-medium business operations that require consistent daytime energy supply and long-term cost control.

Pricing

6.6kw
Perfect for smaller homes
From $50 / month
Up-to
$
2000
Savings
  • Tier-1 N-Type High Performance Panels
  • Lifetime support included!
  • Battery and EV compatible for future upgrades!
  • Free Monitoring to track your savings!
  • Fast-track installation
Unlock Savings Now
13.2kw Solar
Best for mid-sized homes
From $75 / month
Up-to
$
4000
Savings
  • Tier-1 N-Type High Performance Panels
  • Lifetime support included!
  • Battery and EV compatible for future upgrades!
  • Free Monitoring to track your savings!
  • Fast-track installation
Unlock Savings Now
15kW +
Ideal for energy-hungry homes
From $90 / month
Up-to
$
5000+
Savings
  • Tier-1 N-Type High Performance Panels
  • Lifetime support included!
  • Battery and EV compatible for future upgrades!
  • Free Monitoring to track your savings!
  • Fast-track installation
Unlock Savings Now

Take control of your energy future with a 15kW solar inverter system tailored for performance, safety, and scalability. Request a Quote

1300 339 596