How much does a solar battery cost in Australia?

A decent-sized (10kWh) solar battery starts at about $7,000 before installation. The table above shows the hardware retail price 1 for most home batteries in Australia as of May 2025. The prices include the Federal Battery Rebate. This cuts the cost of installed batteries by around $330 per usable kWh and is available throughout Australia.

How much does a 10 kWh solar battery cost in Australia?

The average price for a 10 kWh solar battery ranges between $8,000 - $10,000. While the uptake of solar panels in Australia is really strong, the same cannot be said for solar batteries. A newer technology, battery storage has been viewed as expensive – especially when comparing the payback of a battery system against its expected life.

How much does a solar battery cost?

If you are going to install a solar battery with a usable capacity of 13kWh, it would cost around $1,500 per kWh before rebates. That is about $19,500. However, with the federal battery rebate of up to $372 per kWh, you can save roughly $4,836 in total, bringing the effective price down to approximately $14,664.

How much does a solar battery backup cost?

The cost varies depending on how many appliances you want to backup. As a guide, solar battery backup can add between $1,500 - $3,500 to the cost of a battery. Not all solar batteries are made from the same materials. Some batteries have Lithium Nickel Manganese (NMC) whereas others are Lithium Iron Phosphate (LiFePO4) or (LFP).

Are batteries worth it in Australia?

We’ve been tracking the financial return of batteries in Australia for over a decade and regularly update our analysis of whether batteries are worth it. At the midway point of 2025 was a key turning point in this equation as the federal battery rebate was introduced which offers a discount of around 30% for a typical 10kWh battery.

How long do solar panels last in Australia?

Throughout Australia, average payback times on solar panel and battery systems range from 6.2 years to 10.1 years. The economics are far more attractive in some states like South Australia, Queensland and Western Australia.