Solar Battery Installation Perth
Solargain
Perth homes often produce abundant rooftop solar through the middle of the day, while household demand builds again in the late afternoon and evening. A well-sized battery can hold more of that generation for use after the sun drops instead of sending all of it to the grid. Solargain's Perth team designs new solar-and-battery systems and assesses existing solar homes for compatible storage, backup and VPP options.
Local advice · Accredited installation · Support after install
Perth Solar Battery Specialists
Perth's Battery Opportunity Is Different
For a Perth homeowner, the battery decision is not only about the federal discount. Eligible WA customers may also have a state rebate, a no-interest loan option and an approved VPP arrangement to consider. Those settings affect product choice, paperwork and the way a system is commissioned.
The most useful starting point is your own energy profile: how much solar is exported during the day, how much electricity is used after dark, and which appliances you would want available during an outage. Those figures determine whether a modest battery, a larger modular system or a new solar-and-storage design is the better fit.
How the WA and Federal Battery Support Work Together
The federal Cheaper Home Batteries Program supports eligible batteries connected to new or existing solar PV. Battery STCs are calculated nationally from usable capacity, system-size tiers and the factor applying on the installation date. Solar PV climate zones do not change the battery STC calculation.
What Joining a VPP Means for a Perth Household
VPP participation is a condition of the WA state rebate. A VPP coordinates compatible home batteries so stored energy can support the grid at selected times. The customer agreement determines how the battery may be used, what payments or credits apply, and when the customer can leave the arrangement.
- Confirm that the proposed battery and inverter appear on the relevant supported-solution list.
- Read the VPP agreement alongside the battery quote, not after installation.
- Ask how much reserve capacity remains available for household backup.
- Confirm communications and internet requirements for the selected VPP.
- Check the current minimum participation period and exit conditions.
01
For Synergy customers
Eligible customers may receive $130 per usable kWh through the WA Residential Battery Scheme, capped at $1,300. An approved battery solution and participation in an eligible VPP are required. The federal discount may also apply to the same eligible installation.
02
For Horizon Power customers
Eligible regional customers may receive $380 per usable kWh, capped at $3,800, subject to the scheme's product, customer and VPP requirements. Horizon Power service areas follow different network arrangements from metropolitan Perth, so availability and connection requirements must be confirmed for the property.
03
Access an upfront discount
The written quote should show each discount separately and state the assumptions used. Certificate values, administration charges, product lists and program rules can change, so this hub should not promise a fixed combined dollar amount.
Battery systems available in Perth
Battery Systems Available Through Solargain Perth
The best product depends on the existing inverter, phase configuration, VPP eligibility, backup expectations and preferred capacity. The hub should introduce the choices without duplicating the detailed brand pages.
Connected home energy
iStore Battery
Modular storage for compatible iStore hybrid systems, with options for households planning broader home electrification.
- Scalable 5–60kWh solutions
- Single and three-phase options
- Whole-home ecosystem
Premium all-in-one system
Tesla Powerwall
An integrated home battery option with app monitoring and backup-capable configurations.
- 13.5kWh usable capacity
- Built-in solar inverter
- Expandable to 54kWh
High-efficiency DC coupling
Fronius Reserva
A DC-coupled option designed for compatible Fronius GEN24 Plus systems.
- 6.3–15.8kWh per tower
- Modular, stackable design
- Backup-capable pairing
Flexible AC-coupled storage
Enphase IQ Battery
An AC-coupled modular option that can suit compatible Enphase homes and selected retrofit projects.
- 5kWh modular units
- Backup-capable configuration
- 15-year limited warranty
Current Perth Battery Offers
Prices and package inclusions belong on the dedicated Perth specials page. This keeps the hub useful after an offer changes and prevents it from competing with the transactional page for price-and-package searches.
See current Perth battery storage specials. Final pricing is subject to site assessment, eligibility and current offer terms.
Already have solar?
Adding a Battery to Existing Solar in Perth
Many Perth enquiries come from households that already have rooftop solar. A site assessment needs to establish whether the existing inverter can work with the preferred battery, whether an AC-coupled retrofit is more practical, and whether the switchboard and meter arrangement need work. The assessment should also check Western Power connection requirements and WA-scheme eligibility before a product is recommended. For retrofit compatibility, approvals and installation steps, visit solar battery installers Perth.
Option A
DC-coupled battery
Often the simplest path when the home already has a compatible hybrid inverter.
Option B
AC-coupled battery
Adds a battery inverter alongside an existing standard solar inverter.
If an older inverter is not battery-compatible, we will explain whether replacement or retrofit offers better long-term value.
Sizing a Battery for Perth Conditions
Perth's long daytime solar-production window can create a substantial pool of exportable energy, but that does not mean every home needs the largest battery available. Battery size should be tied to usable evening demand and the amount of surplus solar that can reliably recharge it.
- Review interval data or recent electricity bills rather than relying on household size alone.
- Separate everyday evening use from optional blackout loads.
- Allow for future demand such as an EV, induction cooking or heat-pump hot water only where those upgrades are planned.
- Check whether a modular battery can be expanded later instead of oversizing the first installation.
- Choose a shaded, ventilated location that complies with installation rules and the manufacturer's operating limits.
Solar + battery packages
Start fresh with a complete home energy system
Fixed-price Perth 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
Larger-energy homes
10.34kW solar
15kWh iStore Battery Bundle
From$17,590after eligible federal discount
- 10kW iStore hybrid inverter
- 470W AIKO Neostar all-black panels
- 15kWh battery, expandable to 45kWh
- Smart meter and home usage monitoring
- Optional blackout protection
Rebate note: first 14kWh at the full STC factor; the final 1kWh at 60%.
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.
Why Perth homeowners choose Solargain
Perth Areas We Service
Solargain services homes across Perth metropolitan and surrounding areas, including Malaga, Joondalup, Wanneroo, Stirling, Morley, Midland, Bayswater, Cannington, Fremantle, Rockingham, Mandurah and nearby suburbs. Regional WA availability should be confirmed with the appropriate local team.
Learn more about the branch and our solar power services in Perth.
Solar battery FAQs
Perth Solar Battery FAQs
Clear answers to the questions homeowners ask before requesting a system design.
Can I combine the WA battery rebate with the federal battery discount
Eligible installations may be able to receive both. Each program has separate product, customer and installation requirements, and the quote should identify the current value of each component.
Do I have to join a VPP to receive the WA rebate?
Yes. Participation in an approved VPP is required for the WA Residential Battery Scheme. Confirm that the proposed equipment is compatible with the selected VPP before signing.
Can Solargain add a battery to my existing Perth solar system?
Often, yes. The solution depends on the existing inverter, solar array, switchboard, phase configuration and scheme requirements. Some homes suit AC coupling; others may benefit from a compatible hybrid-inverter upgrade.
Will the VPP stop me using my battery during an outage?
VPP and backup behaviour depends on the product, reserve settings and customer agreement. Ask how much energy can be reserved for backup and what happens during a VPP event.
Where should a battery be installed in Perth?
The location must comply with electrical and manufacturer requirements. A shaded, ventilated position away from avoidable heat exposure can support performance and longevity, subject to the permitted installation locations for the product.
Where can I compare current Perth battery prices?
Use Solargain's Perth battery storage specials page for current promotions. A final price requires a site assessment and confirmation of rebate and VPP eligibility.
Your solar. Working harder.
Get a Perth Battery Assessment
Solargain can review your existing system, usage pattern, backup priorities and WA scheme pathway before recommending equipment.
