Solar Inverter Replacement Cost Calculator
Estimate the cost of a solar inverter replacement. Use the options below for an indicative 2026 Australian price, then get written quotes to confirm.

Your solar inverter replacement details
Your estimate sits within the typical range.
Check the warranty first, inverters typically carry a 5-10 year warranty and a failed unit inside that window may be replaced free. If you are adding a battery soon, a hybrid inverter now avoids paying twice.
💰 Ways to save
- Get at least two or three written quotes, prices vary widely between providers.
- Ask exactly what is and is not included so you are comparing like for like.
- Bundle related work into one visit or order to share fixed call-out and setup costs.
How we estimate this
A solar inverter replacement in Australia typically costs around $1,000 to $2,000 in 2026 for a small-to-medium string inverter supplied and installed, rising to $2,500 to $4,000 for large, three-phase or hybrid units.
Pricing reviewed: November 2026.
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Pricing reviewed November 2026. Indicative Australian costs, not a quote.
Understanding solar inverter replacement costs in Australia
A solar inverter replacement in Australia typically costs around $1,000 to $2,000 in 2026 for a small-to-medium string inverter supplied and installed, rising to $2,500 to $4,000 for large, three-phase or hybrid units.
The inverter is the part of a solar system most likely to fail first, usually after 8-12 years. The unit size and whether you choose a battery-ready hybrid drive the cost.
Frequently asked questions
How much does a solar inverter replacement cost in Australia?
Roughly $1,000 to $2,000 in 2026 for a small-to-medium string inverter installed, and $2,500 to $4,000 for large, three-phase or hybrid inverters.
Should I replace with a hybrid inverter?
If you plan to add a battery within a few years, a hybrid (battery-ready) inverter now avoids replacing the inverter again later. If not, a plain string inverter is cheaper.
Are you a solar installer?
Everyone on this page is working out what solar inverter replacement costs because they are ready to hire. Put your business right beneath the calculator, in your state, so you are who they find. From $50/mo.