How much does a solar inverter cost in Australia?
By My Energy Mate Editorial · Last updated
Quick Answer
A solar inverter costs A$1,200 to A$3,500 supplied and installed for a typical 5 kW single-phase home in Australia as of August 2026. String inverters are cheapest, hybrids add A$300-800 for battery readiness, and microinverter systems add A$2,000+ over a string setup.
Typical prices
| Inverter | Best for | Typical price |
|---|---|---|
| 5 kW string | Simple solar-only systems | A$1,200–A$2,200 |
| 5 kW hybrid | Battery now or within 5 years | A$1,500–A$3,500 |
| 10 kW three-phase hybrid | Large or three-phase homes | A$2,800–A$5,500 |
| Microinverters (6.6 kW) | Shaded or complex roofs | A$3,800–A$5,200 |
Source: median of quotes collected through My Energy Mate plus published installer pricing, August 2026. Refreshed monthly.
Frequently asked questions
How much does it cost to replace a solar inverter?
Replacing a failed 5 kW string inverter costs A$1,500 to A$2,800 including labour in 2026. If yours failed inside 10 years, check warranty first: most major brands cover parts and often labour.
Should I pay extra for a hybrid inverter?
If a battery is plausible within the inverter's 10-year life, yes: the A$300-800 hybrid premium is far cheaper than replacing a string inverter later to add storage.
Does inverter size need to match panel size?
No. Australian rules allow panel capacity up to 133% of inverter rating: a 5 kW inverter legally carries 6.6 kW of panels, which is why 6.6 kW became the standard system size.