Average rooftop solar battery price per 100kW in Australia

How much do solar batteries cost in Australia?

As of May 2025, the average price of solar batteries in Australia ranges from $900 to $2,000 per kilowatt-hour (kWh) of storage. A 10kWh system typically costs a little over $10,000, while a larger 16kWh system may approach $16,000, depending on the brand, performance, and installation factors. Here’s a breakdown of average prices.

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?

Thanks to falling prices and the federal battery rebate, thousands of households can now expect payback within the warranty period, particularly if they use a lot of power at night or join a Virtual Power Plant. In summary: Price Range: Popular solar batteries have an installed cost between $8,000 and $13,000 including the federal rebate.

How long do solar batteries last in Australia?

Lifespan and Warranty: Solar batteries typically last between 5 and 15 years, with warranties covering a portion of this time. Popular solar battery brands in Australia, such as Tesla, LG Chem, and Sonnen, offer a range of products to suit different needs. Each brand provides detailed specifications, ensuring consumers can make informed decisions.

Are solar batteries a good investment in Australia?

Solar energy adoption in Australia has grown significantly in recent years. With an increasing focus on sustainability, solar batteries have become a crucial component for homeowners and businesses seeking to maximise their renewable energy use.

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.