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Perth solar index

Synergy A1 33.26c/kWh·DEBS export 10c / 2c·WA rebate up to $1,300·3,435 CEC-approved batteries

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Solar Battery Perth

WA-specific solar and battery tools with transparent installer matching for Synergy and Western Power customers.

info@solarbatteryperth.com.au

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Batteries
20kWh Battery Systems

20kWh Battery Systems for Perth homes

Maximum capacity for homes with exceptional energy needs or those wanting multi-day backup capability.

Best for

✓Very high usage homes
✓Business from home
✓Multi-day backup needs
✓Future-proofing for EVs

Key considerations

•Significant investment
•Requires large solar array
•Extended payback period

Available 20kWh battery models

Get personalised recommendations

Our calculator considers your usage, tariff, and goals to recommend the right battery size

Where next

Sigenergy SigenStor 10T: specs and Perth pricing

A 10 kWh usable LFP tower that stacks in 5 kWh modules, with a 10-year warranty.

Battery warranty comparison: years, cycles & throughput

Real warranty terms for 22 battery series, sourced from manufacturer documents.

How to size a battery for your usage

A step-by-step method covering evening usage and seasonal AC demand.

AC coupled vs DC coupled battery: which is better?

Retrofit vs new install, efficiency trade-offs, and which brands use each type.

Where to place a battery in a Perth home

AS/NZS 5139 clearance rules, garage vs outdoor walls, and what installers check on-site.

Explore your options

Answer a few questions and see systems and installers that fit your home.