Tesla Powerwall 3

Trusted No. 1 Canberra Powerwall installer

A Tesla Powerwall 3 seen from the front and right: a white glass face carrying the lit Tesla mark, with the dark grey side panel, its vent knockouts and its service handle visible along the right-hand edge
Tesla Powerwall Premium Certified InstallerSince 2021

Powerwall installations. Done properly.

There are only ~40 Premium Installers in Australia.

Powerwalls deliver lasting impact

See the combined impact of the Powerwalls we’ve installed across Canberra.

Powerwalls installed in Canberra, and counting

hrs

Hours of free energyevery day

Cars off the roadfor a year

tonnes of CO₂ displaced

$

Savedon energy bills

Energy Independence with Powerwall.

A single-storey house with a pitched grey metal roof carrying a full array of black solar panels, photographed in bright sun with blue sky and a mountain range behind it

Use more of your solar

Store excess solar during the day and use it to power your home after dark.
A single-storey house at dusk with every room lit through full-height windows, and a white Tesla home battery mounted on the wall beside the back door

Save during peak hours

Powerwall uses your energy plan and usage patterns to help reduce grid use when electricity costs the most.
Three white Tesla home batteries standing side by side on a paved footpath against a white-tiled wall at night, under a timber awning with a potted fig beside them and a lit shop counter behind glass to the right

Grow with your energy needs

Add more battery storage as your household’s energy needs change.
A close-up of press tooling on an automated production line, orange steel frames and hydraulic hoses over a row of machined plates

Ten years, unlimited cycles warranty

Powerwall’s lithium iron phosphate (LFP) cells are backed by a ten year warranty, with unlimited cycles for everyday solar storage and home backup.

Your whole energy system in one simple app

See your solar, Powerwall, home, grid and Tesla all in one place. The Tesla app gives you a simple, live view of where your energy is coming from and where it’s going.

Download Tesla App on iOS / Android

Your day, hour by hour since first light, and where the energy went.

When the grid goes down, your lights stay on.

Tesla app home screen: an illustrated house with rooftop solar, a battery on the wall and a red car in the garage, with power readings labelled solar, home, Powerwall and grid.Tesla app solar screen: a filled curve of one day's generation from 6am to 6pm, above a list showing how that energy was split between home, Powerwall and grid.Tesla app home screen with the line to the grid broken and marked: the header reads Off-Grid, and the first row of the list reads Reconnect to Grid.
Choose a condition
A Tesla Powerwall 3 standing against the wall of a house in Top End savanna under hard midday sun, red earth and dry spear grass beyond.
A Tesla Powerwall 3 against the dark timber wall of a house during a rainforest thunderstorm, water sheeting off the eave and the wet driveway reflecting it.
A Tesla Powerwall 3 standing in shallow floodwater against the weatherboard wall of a coastal house, a drowned paddock and fence posts behind.
A Tesla Powerwall 3 against the corrugated steel wall of a rural home in a dust haze, a stony saltbush plain and a rainwater tank behind.

Built to handle Australia’s diverse climate

Designed to operate from −20°C to 50°C, with installation in direct sunlight permitted under its warranty.

An IP67 sealed enclosure helps protect against dust and driving rain.

Powerwall 3 has an IP67 rated enclosure and can withstand temporary immersion in up to 600 mm of water, helping protect it from heavy rain and short term flooding.

Powerwall 3’s IP67 rated enclosure keeps dust out and protects against fog, rain and temporary water immersion.

Protect your home from outages

A single-storey home after dark, its windows lit, with a rooftop solar array, a Powerwall on the side wall, a car on the driveway, and the street lamp on the power pole litThe same home at night during a grid outage, its windows still lit while the street lamp is out and the horizon is darkA single-storey home in daylight with a rooftop solar array, a Powerwall on the side wall and a car on the driveway

The array is idle. The house runs on what the battery stored during the day.

The gateway opens the connection to the street. The house keeps running on the battery.

Solar charges the battery, runs your home, and sends the rest out to the grid.

A white home battery standing against the black-painted back wall of an open garage, with white cupboards to the left, a speckled concrete floor and a white car on the driveway outside

Tesla Powerwall 3 Specifications

The Tesla Powerwall 3 stores 13.5 kWh of usable energy and delivers 5, 10 or 11 kW of continuous power. Its built in solar inverter accepts up to 20 kW of DC solar input. Each Expansion adds another 13.5 kWh of storage using the same inverter. Connect up to three Expansions to one Powerwall 3 for a total of 54 kWh.

Tesla Powerwall 3, Powerwall 3 Three-Phase and Powerwall 3 Expansion, side by side.
PropertyTesla Powerwall 3Powerwall 3 Three-PhasePowerwall 3 Expansion
Usable capacity13.5 kWhComing soon - enquire for more info13.5 kWh
Continuous power5, 10, 11 kWNot statedNot stated
Solar input20 kW DC, straight into the unitNot statedNot stated
Backup transitionNot statedNot statedNot stated
Expandable toUp to 4 units: 54 kWh, plus expansionsNot statedThree per Powerwall 3, 54 kWh
IP ratingIP67Not statedIP67
Operating range−20°C to 50°CNot stated−20°C to 50°C
Dimensions1105 × 609 × 193 mmNot stated1105 × 609 × 168 mm
Weight130 kgNot stated110 kg
Warranty10 years, unlimited cyclesNot stated10 years, unlimited cycles
Solar inverterIntegrated, 3 MPPTsNot statedNot stated
BackupSingle phase: whole home Three phase: partial homeNot statedNot stated
MonitoringTesla appNot statedTesla app, through the Powerwall 3
Powerwall 2 compatibilityYesNot statedNot stated

Solar battery rebate

The Cheaper Home Batteries discount, worked out for each size. You claim it once per property, so the size you install is the size you claim on. Your accredited retailer takes it off your quote at the point of sale, so there is no separate claim afterwards, and the rate steps down every six months until 2030.

UnitsUsable storageFederal discountAdded by this step
13.5 kWh$3,276Full rate
Most popular27 kWh$5,328+$2,052
40.5 kWh$5,940+$612
54 kWh$6,264+$324

Rates as at 29 July 2026 · Clean Energy Regulator · installs to 31 December 2026

Add Powerwall 3 to your Powerwall 2

The latest software update lets you expand your existing system with Powerwall 3 while keeping your Powerwall 2 and its warranty.

A Tesla Powerwall 2 and a Powerwall 3 mounted side by side on a red brick wall in afternoon light, the wider Powerwall 2 on the left and the narrower Powerwall 3 on the right

What your system can hold

Your Powerwall 2 units stay in place, and we add Powerwall 3 alongside them. A single system supports up to four Powerwall 2 units, one Powerwall 3 and three Powerwall 3 Expansions.

Get in touch to find out how we can expand your existing system.

Get a Quote
Two white Tesla home batteries standing against a raw concrete garden wall at night, beside the lit glass wall of a house with a painting and armchairs visible inside, and a gas fire trough burning in the paving in the foreground

A battery that truly complements your wall.

Lightning over a dark timber house at night, its wet deck reflecting the warm light from a lit kitchen behind glass doors, with a white home battery on the wall beside them
A white home battery on a stacked stone wall at night, uplit from below, with snow on the ground and on the shrubs beside it and the nose of a white car at the left
A white rendered modern house in daylight with a timber table and white stools on the deck outside, and a white home battery on the wall to the right of the sliding doors
Two white Tesla home batteries standing side by side on gravel against the black timber-battened gable end of a barn, with a lit slatted window to the right and trees behind
A black timber cabin with a steep gable at night under a starry sky, its glass end wall showing a warm lit room with armchairs and a bath inside
A weatherboard beach house with a full array of black solar panels on its low roof and a white home battery on the outside wall beside a green door, looking over grass to a beach and a headland
A person in a harness standing on a tiled roof holding a solar panel above their head against a blue sky, with another person's hands reaching up from the gutter below

Every installation backed by the Sunstak guarantee

  • Sunstak master installers

    Our master installers have completed at least 100 installations with 5/5 star reviews.

  • Installation with no surprises

    We confirm the scope, price and installation plan. You'll know exactly what's included, what happens next and what to expect on the day, with no last-minute variations or surprises.

  • Roof leak guarantee

    If your roof leaks after our installation, we pay you $500 cash and fix it immediately.

  • Stock guarantee

    If we can't supply the product on your design, we replace it with an upgrade and your price does not move.

Book a site visit

Speak with one of our Energy Geeks today.

  • Tesla Powerwall Premium Certified Installer
  • New Energy Tech Consumer Code approved seller
  • SunWiz 2026 award: Best Rated solar installer, #2 Most Popular in the A.C.T.
  • Solar Accreditation Australia approved

★★★★★

Having used two other installers previously, the Sunstak experience is head and shoulders superior…
Raffaele WebbGoogle review
  • 4.9From 216 Google reviews
  • 5.0From 29 SolarQuotes ratings

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