Tesla Powerwall 3 installation across Melbourne
13.5kWh storage. Built-in 11.5kW solar inverter. Whole-home backup. Installed by a certified Tesla installer with the federal battery rebate already applied.

- NETCC Approved Seller
- 10,000+ Installs across VIC
- 4.7★ · 300+ Google Reviews
- 10-Year Workmanship Warranty
- 11+ Years in the Industry
- Australian Owned
$750 off per Powerwall 3 — up to $1,500 off when you install two.
Tesla is running a direct manufacturer rebate on Powerwall 3 orders in Australia. Sunline Energy applies it to your quote on top of the federal Cheaper Home Batteries rebate — so your out-of-pocket drops twice.
- Stacks with the federal battery rebate (~$3,000–$3,800)
- Available on single and dual-Powerwall installs
- Locked in at quote — no claim paperwork for you
Indicative. Federal rebate amount depends on install date and battery capacity. Tesla offer subject to Tesla AU terms.
The most capable home battery on the Australian market
The Powerwall 3 isn't just a battery — it's a complete solar + storage + backup hub in one wall-mounted unit.
13.5kWh usable
Covers an average Melbourne home's evening and overnight load. Stack up to 4 units for whole-home + EV.
Built-in inverter
Integrated 11.5kW solar inverter saves the cost of a separate unit on new installs.
Whole-home backup
5kW continuous, 10kW peak. Switches over in <100ms when the grid drops.
Solar-smart
Charges from rooftop solar by day, powers your home from sunset to sunrise.
10-year warranty
Tesla's 10-year unlimited cycle warranty plus our 10-year workmanship guarantee.
Certified installer
Sunline Energy is a Tesla-certified installer — required for full warranty cover.
What a Powerwall 3 actually costs a Melbourne home
Honest pricing — including rebates already applied. Final quote depends on switchboard work and backup scope.
$13,500 – $16,500
Retrofit to existing solar. Includes Backup Gateway and standard switchboard work.
~$10,000 – $13,000
After the federal Cheaper Home Batteries rebate (~$3,000–$3,800), applied at quote.
From $19,500
Net after STCs + battery rebate. 10kW Tier-1 solar + Powerwall 3, fully installed.
From quote to first night off-grid
Free design call
We size the right Powerwall configuration for your usage, solar and backup needs.
Site assessment
We confirm switchboard, mounting location and backup circuits. Fixed price locked in.
Approval & install
We handle DNSP approval, then install in one day. Two if pairing with new solar.
App handover
Walk through the Tesla app, monitoring and backup modes — and your first night running on stored sun.
Ready to store your sun?
Certified Tesla Powerwall 3 installation across Melbourne — fixed price, rebates applied.
