Price quote for 20kW photovoltaic container used at Australian airports

How much does a 20kW Solar System cost in Australia?

The price of a 20kW solar system depends on the choice of solar panels, inverters, balance of system used, and your property infrastructure, complexity of install and whether you opt for battery storage. On average, in Australia, the cost of a 20kW solar system whether for residential or commercial can be anywhere from $15,000 to $19,000.

What is a 20kW commercial solar PV system?

A 20kW commercial solar PV system is ideal for businesses with low to medium energy usage. Rising grid electricity prices make this an even more attractive option. Should you have sufficient roof space, a 20kW solar system can also be outfitted into larger residential homes to effectively boost savings while meeting their power needs.

How much does a 20 kW battery cost in Australia?

Many high-quality 20 kW systems in Australia in 2025 land around $19,000–$24,000, depending on component brands, installation complexity, and local incentives. Installed battery cost around $1,200 per usable kWh for larger systems.

Are 20kW solar power systems a good investment?

20kW solar power systems are becoming an increasingly worthwhile and attractive investment for small to medium businesses (or households with very large energy consumption) across Australia, with payback periods in the 3-5 year range in most parts of the country.