50 kW Solar Setup: What You''ll Spend, Produce & Earn
This guide unpacks 50 kW commercial solar in Australia —current prices, STC rebates, roof space, energy yield, pay-back timelines, size comparisons, and tips to avoid cut-corner
This guide unpacks 50 kW commercial solar in Australia —current prices, STC rebates, roof space, energy yield, pay-back timelines, size comparisons, and tips to avoid cut-corner
Solar inverters typically cost between $1000 and $1500 for an average-sized installation. However, as the size of the installation increases, so does the cost of the inverter.
RedEarth''s Dingo 50kW Inverter is designed for large-scale applications requiring scalable energy solutions. This version excludes engineering and network protection services but offers a
One of the most common questions we receive is: How much does a 50kW solar system cost? The cost of a 50kW solar system in Australia varies based on the type of system, brand of
Solar Choice has been tracking the cost of commercial solar systems in Australia since 2014, publishing average figures each month in our Commercial Solar Price Index.
The solar inverter cost of installing a solar inverter is an important factor to consider when deciding whether or not to switch to solar energy. The solar inverter Installation costs
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On average, a 50kW solar system will cost around $49,068, including government rebates and other incentives. The true range depends on your location and the brand of solar panels and inverter you go with. The installation cost is usually included in this price range, as a certified installer can only do it. What’s the payback period on 50kW solar?
Most 50kW solar systems in Australia have an average payback period of 4 years. However, depending on your location and energy consumption patterns, the system may pay back in as short as 3 years, or extend to around 5 years. The more energy you consume from your 50kW solar system, the faster it will pay itself back.
Across Australia the most recent Commercial Solar Price Index (May 2025) shows turnkey 50 kW installations ranging AU $46,400 – AU $57,170 depending on city, with a national mean of AU $51,420 (≈ $0.95 /W). Sydney records the lowest current outlay (AU $46,400) while Perth is highest (AU $57,170).
For most solar systems, the size of the inverters you need should match the size of your solar system. Therefore, for a 50kW solar system, you need a 50kW or 50,000W inverter or 5 single-phase inverters rated 10kW each. However, the size of inverters you’ll need may vary depending on your location.