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9.9kW & 10kW Solar Systems
(With Optional Battery) Pricing & Information

Home > Solar Panels > Solar Systems > 9.9kW & 10kW Solar Systems

We Supply and Install 9.9kW / 10kW Solar Power Systems (with battery options) in Melbourne

The 9.9kW and 10kW solar systems are most suitable for higher energy consumption households and commercial applications.

With decreasing solar system prices over the years and attractive government incentives, the larger 10Kw solar systems have become much more accessible.

Ready to benefit from solar electricity? Trione Energy is here to make the process easy and affordable. Contact us and…


9.9kW – 10kW Solar System Overview

  • System Size: Typically includes 27 to 33 panels, covering about 43m2 to 53m2 of roof space.
  • Electricity Generation: Produces around 33kWh of electricity per day on average.
  • Suitable For: Households and businesses with higher power consumption.
  • Inverter: Usually paired with an 8kW or 10kW inverter, pre-approved for grid connection.
  • Yearly Savings: Offers potential yearly savings of up to $2,000, depending on usage and location.
  • Pricing: Ranges from $5,650 to $9,100 before rebates. Prices vary based on the chosen package and city.
  • Battery: Adding a battery can increase the system cost significantly but offers energy independence.



9.9kW – 10kW System Size

A typical 9.9kW or 10kW solar system in Australia uses either 27-33 panels rated at 300-370 watts each. Each panel is around 1.7 x 1 metre, requiring approximately 43-53 square metres of roof space.

9.9kW – 10kW Solar Energy Production

A 9.9kW system can produce from 30 to 38kWh per day, depending on the location and weather conditions. For example: Melbourne: 31kWh,




9.9kW – 10kW Solar System Cost Breakdown

The cost of a fully installed 9.9kW solar system without a battery typically ranges from $5,650 to $9,100 before any rebates or incentives. The final cost is influenced by the brand and quality of system components, and installation specifics.

Do You Want to Know Exactly How Much Your 9.9Kw – 10Kw System Will Cost?

Trione Energy is here to help, contact us and receive a written quote, complete with all the system components (solar battery optional), and your eligible government incentives and financing options.


9.9kW – 10kW System Payback Period & Savings

Typically, the system will pay for itself in 4-6 years, depending on the design, location, and electricity consumption.

Estimated Savings Over a 5-Year Period:

  • Solar electricity generated: 60,000 kWh
  • Self-consumption: 18,000 kWh
  • Electricity exported to grid: 42,000 kWh
  • Savings (self-consumption): $5,400
  • Income (FiT): $6,300
  • Maintenance: $300

Total savings: $11,700 – $8,000 (installation cost) = $3,700 Profit



Get a 9.9kW – 10kW Solar System Quote

Contact us for a free consultation to determine the best solar solution for your home or business. Ready to get started?

Reach out to us today to schedule your free, no-obligation quote.