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Home Battery Cost in Brentwood, WA

A 10kWh home battery system in Brentwood costs $9,500-$14,000 installed before rebates. After federal and Western Australia incentives, expect to pay $7,000-$11,500. Annual savings of $863-$1,006 mean a payback period of 9.2-10.7 years.

$7,000-$11,500
After rebates (10kWh)
$9,500-$14,000
Before rebates
$863-$1,006
Annual savings
9.2-10.7yr
Payback period

Average electricity rate in Western Australia: 31c/kWh

Average solar feed-in tariff: 2.25c/kWh

Net savings per kWh stored: 28.8c/kWh (the difference between what you'd pay to buy vs what you'd earn exporting)

Battery Rebates Available in Brentwood

Federal

Cheaper Home Batteries Program

Australian households installing a new home battery system. Amount varies by state and battery capacity. Check program availability in your state.

$2,000-$4,000
estimated value

Recommended Batteries for Brentwood

Tesla

Homeowners wanting a premium, all-in-one solution with the best app experience

Warranty: 10yrCapacity: 13.5kWhChemistry: LFP
$12,000-$16,000
installed, before rebates

BYD

Homeowners wanting flexibility to start small and expand, or those with existing solar systems

Warranty: 10yrCapacity: 5.1kWhChemistry: LFP
$8,000-$18,000
installed, before rebates

Sungrow

Homeowners with Sungrow inverters, or those wanting a reliable budget-friendly battery

Warranty: 10yrCapacity: 6.4kWhChemistry: LFP
$8,500-$16,000
installed, before rebates

Enphase

Homeowners with Enphase microinverter solar wanting the longest warranty and best monitoring

Warranty: 15yrCapacity: 5kWhChemistry: LFP
$9,000-$15,000
installed, before rebates

Frequently Asked Questions

How much does a home battery cost in Brentwood?
A 10kWh home battery in Brentwood costs $9,500-$14,000 installed before rebates, or $7,000-$11,500 after applying federal and Western Australia rebates.
What battery rebates are available in Brentwood, WA?
Residents of Brentwood can access the federal Cheaper Home Batteries Program ($2,000-$4,000). These are applied as point-of-sale discounts by your installer.
What is the payback period for a battery in Brentwood?
With average electricity rates of 31c/kWh and feed-in tariffs of 2.25c/kWh in Western Australia, a 10kWh battery in Brentwood has a payback period of approximately 9.2-10.7 years after rebates.
Which battery brand is best for Brentwood?
For Brentwood, the best battery depends on your priorities. Tesla Powerwall offers the best app experience, BYD provides the most flexibility with modular expansion, and Alpha ESS is the most affordable. All use safe LFP chemistry and come with 10+ year warranties.
Do I need solar panels to get a battery in Brentwood?
While you don't technically need solar to install a battery, it makes much more financial sense to pair them. Without solar, you're charging from the grid. With solar, you store free daytime energy for evening use, maximising savings. Most Brentwood battery installations are paired with existing or new solar.

More Energy Savings in Brentwood

Solar Panel Cost in BrentwoodHeat Pump Cost in BrentwoodFind Battery Installers in BrentwoodWestern Australia Battery Rebates

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