Tesla

Calculated automatically from publicly available data, subject to editorial adjustment.

Checked against the Clean Energy Regulator's published data. Rebates only apply when the exact model installed is on the current list.

• Tesla Powerwall 3 and Expansions with Backup Gateway 212 approved models
• Tesla Powerwall 3 and Expansions with Backup Gateway 212 approved models
• Tesla Powerwall 3 AC with Backup Gateway 24 approved models
• Tesla Powerwall 3 AC with Backup Gateway 24 approved models

13.5kWh Usable Capacity

Each Powerwall provides 13.5kWh of usable energy storage, enough to cover most homes through the evening peak and overnight.

11.5kW Continuous (PW3)

The Powerwall 3 delivers 11.5kW continuous output, enough to run most home loads including air conditioning and EV charging simultaneously.

Integrated Inverter (PW3)

Powerwall 3 includes a built-in solar inverter, eliminating the need for a separate string or hybrid inverter on new installations.

Tesla App

Real-time monitoring of solar production, battery status, home consumption, and grid usage. Includes Storm Watch and time-based control modes.

10-Year Warranty

10-year warranty guaranteeing the battery will retain at least 70% of its original capacity. Covers both battery cells and integrated inverter.

Stackable to 4 Units

Up to four Powerwall units can be installed together for 54kWh of total storage and 46kW of continuous power output.

The Powerwall 3 stands out for its integrated inverter and high continuous power output, making it a simpler installation for new solar+battery systems. BYD and Sungrow require a separate hybrid inverter but offer more flexible sizing through modular design. BYD is the most inverter-agnostic, working with Fronius, GoodWe, and others. Sungrow batteries pair exclusively with Sungrow hybrid inverters.

How much does a Tesla Powerwall cost in Australia?

A Tesla Powerwall 3 typically costs $12,000 to $16,000 fully installed in Australia (as of 2026). The price varies by installer, location, and installation complexity. This includes the Powerwall unit, gateway, and installation labour. Some states offer battery rebates that can reduce the cost, such as the WA Residential Battery Scheme’s up to $1,300 for Synergy customers, and the ACT offers interest-free loans. Ask for an itemised written quote and check it line by line before you sign.

Is the Tesla Powerwall worth it in Australia?

Whether a Powerwall is worth it depends on your electricity rates, solar system size, and usage patterns. Homes with high evening usage (5+ kWh after sunset), low feed-in tariffs (under 5c/kWh), and time-of-use pricing benefit most. A typical Powerwall saves $1,000 to $1,800 per year, giving a payback period of 8 to 12 years. The Powerwall makes stronger financial sense in states with battery rebates (VIC, ACT) or with very low feed-in tariffs.

How long does a Tesla Powerwall last?

Tesla warrants the Powerwall for 10 years with at least 70% capacity retention. In practice, lithium-ion batteries typically last 12 to 15+ years before significant degradation. The Powerwall uses a thermal management system to maintain optimal operating temperature, which helps extend battery life. Actual lifespan depends on cycling patterns, ambient temperature, and depth of discharge.

Can I use Powerwall without solar panels?

Yes, a Tesla Powerwall can be installed without solar panels. In this configuration, it charges from the grid during off-peak rates and discharges during peak rates (energy arbitrage). However, the financial return is much lower without solar, as you are buying all energy from the grid rather than storing free solar energy. Most Powerwall installations are paired with a solar system.

What is the difference between Powerwall 2 and Powerwall 3?

The Powerwall 3 (2024) has the same 13.5kWh capacity as the Powerwall 2, but with major upgrades: 11.5kW continuous output (vs 5kW), an integrated solar inverter (Powerwall 2 needs a separate inverter), 97.5% round-trip efficiency (vs 90%), and a more compact form factor. The Powerwall 3 is the current model available for new installations in Australia.

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