Solar battery installation Brisbane

Store more solar.                
Power more of your home.

Use your solar after dark, reduce reliance on the grid and add blackout protection with a battery system designed for your Brisbane home.

Local advice · Accredited installation · Support after install

Since 2005Solar experience
100,000+Systems installed
4× winnerCanstar Blue award
Local teamBrisbane & SE Queensland

Brisbane solar battery specialists

Keep the energy your roof is already producing

Brisbane households with solar panels often generate more energy than they use during the day—then send much of it back to the grid for a modest return.

A solar battery stores that excess generation and puts it to work when you actually need it: after dark, during expensive peak periods or through a storm when a compatible backup system has been installed.

Solargain has designed and installed solar and battery systems across Brisbane and South East Queensland since 2005. Whether you are adding storage to an existing system or starting fresh, our local team assesses your roof, usage patterns, existing equipment and budget before recommending a solution for your home.

Talk to our Brisbane battery team 

Modern Brisbane home with rooftop solar and home battery

Designed around your homeSolar, switchboard, usage and backup requirements assessed together.

Why Brisbane homes are adding storage

More value from solar, day and night

Falling feed-in tariffs, storm-season resilience and the federal battery discount have changed the case for home energy storage.

01

Use more of your own solar

Instead of exporting excess daytime generation at a low feed-in tariff, store it and use it when grid electricity costs more.

02

Prepare for storm outages

A correctly configured backup system can keep nominated circuits running when severe Brisbane weather interrupts grid supply.

03

Access an upfront discount

The Cheaper Home Batteries Program provides an upfront discount on eligible systems, generally handled by the installer.

Battery systems available in Brisbane

Leading storage options, matched to your home

There is no single battery that suits every property. The right choice depends on your existing inverter, usable capacity, phase configuration and backup requirements.

iStore modular home battery

Connected home energy

iStore Battery

Modular storage that integrates with iStore hybrid inverters, heat pump hot water and EV charging through one monitoring ecosystem.

  • Scalable 5–60kWh solutions
  • Single and three-phase options
  • Whole-home ecosystem
Tesla Powerwall 3

Premium all-in-one system

Tesla Powerwall 3

An integrated solar inverter and 13.5kWh battery with app monitoring, automatic outage detection and expansion options.

  • 13.5kWh usable capacity
  • Built-in solar inverter
  • Expandable to 54kWh
Fronius Reserva battery system

High-efficiency DC coupling

Fronius Reserva

A high-voltage, DC-coupled battery designed to pair with Fronius GEN24 Plus hybrid inverters for efficient energy transfer.

  • 6.3–15.8kWh per tower
  • Modular, stackable design
  • Backup-capable pairing
Enphase IQ Battery

Flexible AC-coupled storage

Enphase IQ Battery

Modular storage with embedded grid-forming microinverters, well suited to Enphase solar systems and retrofit projects.

  • 5kWh modular units
  • Backup-capable configuration
  • 15-year limited warranty

Already have solar?

In most cases, you can add a battery

Our Brisbane team reviews inverter compatibility, switchboard condition and evening energy use before recommending the most practical connection method.

Option A

DC-coupled battery

Often the simplest path when the home already has a compatible hybrid inverter.

SolarHybrid inverterBattery + home

Option B

AC-coupled battery

Adds a battery inverter alongside an existing standard solar inverter.

Existing solarHome switchboardAC battery

If an older inverter is not battery-compatible, we will explain whether replacement or retrofit offers better long-term value.

Assess my existing system

Solar + battery packages

Start fresh with a complete home energy system

Fixed-price Brisbane packages combine high-efficiency solar with scalable iStore storage and smart monitoring.

Popular home package

6.58kW solar

10kWh iStore Battery Bundle

From$12,999

  • 6kW iStore hybrid inverter
  • 470W AIKO Neostar all-black panels
  • 10kWh expandable iStore battery
  • Full smart energy monitoring
  • Full STC factor applies to eligible capacity

Optional: 270L heat pump · EV smart charger · blackout protection

View package details

Advertised pricing and inclusions are subject to site assessment, eligibility, location and current offer terms. Confirm live pricing before publication.

Before you choose a battery

Six details that shape the right system

A useful quote should answer more than brand and price. These are the practical questions our team works through with you.

01

Battery chemistry

Lithium iron phosphate (LFP) is widely used for its thermal stability, safety characteristics and long cycle life.

02

Usable capacity

Compare usable—not only nominal—capacity, then size storage around your evening load and future electrification plans.

03

a

Backup design

Outage protection is not automatic. Confirm which circuits will be backed up and whether transfer equipment is included.

04

Single or three phase

Your switchboard configuration affects compatible equipment, output across phases and whole-home backup options.

05

Rebate eligibility

The system and installation must meet current program requirements, including approved equipment and installer accreditation.

06

Installation timing

The STC factor is based on installation date and steps down over time, so future discounts will differ from today’s.

Solargain Brisbane solar and battery installation team

Why Brisbane homeowners choose Solargain

Local expertise, backed by a national service network

Solargain has installed solar and battery systems across Brisbane and South East Queensland since 2005. Our local team services Brisbane Metropolitan, Moreton Bay, Redlands, Logan, Ipswich and surrounding areas.

  • Four-time Canstar Blue Most Satisfied Customers award winner
  • New Energy Tech Consumer Code Approved Seller
  • Accredited installers and compliant equipment
  • Local support for monitoring, performance and warranty queries

Solar battery FAQs

Brisbane battery questions, answered

Clear answers to the questions homeowners ask before requesting a system design.

Ask our local team

How much does a solar battery cost in Brisbane?

After the federal Cheaper Home Batteries Program discount, a quality 10kWh battery installed in Brisbane in 2026 typically costs around $7,000–$11,000, depending on brand, inverter requirements and whether backup protection is included. Switchboard upgrades and three-phase configurations can add to the cost. Solargain provides a fixed-price quote after assessing your home.

How much is the federal battery discount?

For installations from May to December 2026, the STC factor is 6.8 for the first 14kWh of eligible usable capacity. The dollar value also depends on the STC market price and installer administration. For a 10kWh battery, the draft estimate is approximately $2,500–$2,800, but this should be confirmed against the live calculation when quoting.

Is a solar battery worth it in Brisbane?

For homes with moderate-to-high evening usage, low feed-in tariffs can make self-consuming stored solar more valuable than exporting it. The federal discount has also improved the economics. Suitability still depends on your tariff, usage profile, existing system and battery size.

Can I add a battery to my existing solar system?

Yes, in most cases. Homes with a compatible hybrid inverter may use DC coupling. Homes with a standard string inverter can often use an AC-coupled battery. Some older equipment may need replacement, which our Brisbane team assesses during quoting.

Will my battery work during a Brisbane storm outage?

Only when the system is specifically designed and configured for backup. A compliant backup installation typically includes nominated circuits and automatic transfer equipment. Discuss essential loads and backup duration during design—not after installation.

What battery brands does Solargain install in Brisbane?

Solargain offers Enphase, Tesla Powerwall, Fronius-compatible systems and iStore batteries. Product availability and suitable configurations can change, so call 07 3884 1700 for current options.

How long do solar batteries last in Brisbane?

Quality home batteries commonly carry warranties of around 10 years, while some products offer longer coverage. Actual life depends on chemistry, cycling, operating temperature and installation location. A compliant, shaded and well-ventilated position is particularly important in Queensland.

How does the rebate taper apply to larger batteries?

From 1 May 2026, the STC factor applies at 100% for the first 14kWh of usable capacity, 60% for capacity above 14kWh and up to 28kWh, and 15% for capacity above 28kWh and up to 50kWh. Systems can be up to 100kWh, but supported capacity is capped at 50kWh.

Your solar. Working harder.

See what battery storage could look like for your Brisbane home.

We’ll review your existing system, size storage around your energy use and provide a fixed-price recommendation.