100kW Solar System

A 100kW solar system is an excellent solution for medium to large businesses with high daytime energy demand. Producing up to 440 kWh per day, it can significantly reduce electricity bills and help companies across New South Wales, South Australia and Western Australia cut ongoing operational costs.

With approximately 180 – 220 solar panels, a 100kW solar power system typically requires 600 – 700 m² of roof space and can be installed on both flat roofs and ground-mounted systems. Solar Galaxy engineers each system for maximum reliability and output, ensuring full grid compatibility and access to all available government incentives. This allows your business to benefit from proven new energy technologies while maintaining stable, long-term energy savings.

Why Choose a 100kW Solar System

This solar energy system enables your organisation to generate much power, lower energy costs, and even sell excess energy back to the grid through available feed in tariff programs. Designed for scalability, it marks the cut off point for claiming Small Scale Technology Certificates (STCs), before transitioning to the Large Scale Generation Certificates (LGC) scheme.

Solar Galaxy provides expert guidance to ensure compliance with the Australian Government’s clean energy framework. As a trusted solar retailer, we only use CEC-approved products, installed by certified professionals to maximise cash flow and reduce the total cost of ownership.

100kW Solar System Specifications

Key Benefits of Our 100kW Packages

  • Generates much power, up to 440 kWh/day
  • Reduces long-term electricity prices and protects against future hikes
  • Eligible for generous financial incentives and Australian government rebates
  • Provides fast payback period of 3–5 years, improving business resilience
  • Customised for commercial premises with both roof space and grid connection requirements

Best Applications for a 100kW System

This bigger solar system is ideal for:

  • Factories and light industrial buildings
  • Commercial facilities with high energy consumption
  • Schools, hospitals, and aged care centres
  • Agricultural operations and warehouses in regional Australia

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Dedicated, personalised support from start to finish—we’re with you every step of the way.

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Locally owned and operated, powering every corner of Australia.

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Our commitment doesn’t end with installation. We’re here for the long run, even ten years from now.

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FAQs 90kW Solar System

Got Questions About 90kW Solar System? We’ve Got Answers!

Most setups include 180–220 solar panels, depending on brand and wattage, enough to deliver reliable solar power to commercial sites.

A roof area of 600–700 square metres is ideal, but we also design for ground mounted systems when needed.

It’s strictly a commercial solar system. Homeowners should explore our smaller systems for better fit.

Yes,  many operations offset 100% of daytime electricity use with this system, depending on how much power they use.

Yes,  many operations offset 100% of daytime electricity use with this system, depending on how much power they use.

A 110kW inverter is recommended to ensure optimal performance and compliance with grid connection requirements.

Not mandatory, but ideal for businesses wanting to reduce reliance on the electricity grid or maximise surplus energy usage. We recommend a 100kWh Solar Battery with this system.

You can pair this system with 30kWh, 40kWh, 50kWh or 100kWh (Recommended) batteries depending on your load profile and backup needs.

Absolutely. All Solar Galaxy systems are built battery-ready for future energy tech upgrades.

The system cost ranges from $80,000–$120,000 depending on panels, inverters, and configuration.

You can claim Small Scale Technology Certificates (STCs), one of the most valuable government incentives available before hitting the 100kW cut off point.

Most clients see a payback period within 3–5 years, especially in states like NSW and South Australia.

Typical annual savings range from $20,000–$35,000, based on energy bills and electricity retailer rates.

Installation usually takes 3–5 business days, including mounting, wiring, and testing.

We employ CEC-accredited, SAA-certified technicians to meet all compliance and safety standards.

It can generate up to 440 kWh/day, but output may vary depending on season, weather, and system orientation.

Your solar panels still generate power, just less. A solar battery or grid connection keeps your operation stable.

Expect 25+ years of performance, especially with routine maintenance and high-quality solar components.

Yes, we recommend yearly servicing to maintain system performance and protect your investment.

Solar Galaxy systems come with leading manufacturer warranties, typically 10–25 years.

Yes, we offer ongoing monitoring, technical support, and service for all installed systems.

Pricing

6.6kw
Perfect for smaller homes
From $50 / month
Up-to
$
2000
Savings
Unlock Savings Now
15kW +
Ideal for energy-hungry homes
From $90 / month
Up-to
$
5000+
Savings
Unlock Savings Now

Ready to install a 100kW solar system? Request a Quote today with Solar Galaxy.

1300 339 596