Independent solar and battery research · Perth, WA

The numbers behind a fair solar quote.

Compare 11,796+ CEC-approved batteries, inverters and panels, check your WA rebate, and match with verified Perth installers. No commissions — just the data.

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11,796+CEC-approved products

346manufacturers profiled

122Perth suburbs

What we track

Every CEC-approved product on the Australian market

Batteries

1,232

CEC-approved home batteries, with trust scores, measured degradation, VPP compatibility, and WA rebate eligibility. The numbers you need to compare a $8k–$15k quote.

Browse batteries →

Inverters

2,647

Hybrid, battery, and solar. ESM compliance and Synergy approval status included.

Solar Panels

7,917

Efficiency, wattage, fire testing, and Perth output estimates for every model.

Calculator

Synergy tariffs + DEBS

ROI projections using current WA tariff rates, export credits, and federal rebates.

Installer Matching

SAA-accredited Perth installers. Free, no obligation.

122 Perth Suburbs

Network constraints, local installers, and solar performance data

Browse by need

Budget Friendly

Batteries under $10,000 with manufacturer-backed warranties

Premium Performance

Higher-efficiency brands with strong WA support coverage

Best for Perth Heat

Panels with low temperature coefficients for hot WA summers

WA Rebate Eligible

Synergy-approved for the WA Battery Scheme ($130/kWh)

How it works

From first question to installer quote

Tell us the basics

~2 minutes

Your suburb, your Synergy bill, and whether you want blackout protection. Six questions, about two minutes.

See what fits

Instant

Battery and system matches ranked by ROI against your usage. Includes degradation projections and WA Battery Scheme stacking ($130/kWh, capped at $1,300).

Hear from Perth installers

Within 24 hours

SAA-accredited Perth installers reach out with quotes matched to your results. No cold calls from interstate call centres.

Get matched

Free. No spam. No obligations.

The numbers

A typical Perth household saves $1,500–$2,400/year

The figure stacks from three sources: Synergy tariff avoidance, federal and state rebates, and DEBS export credits. Here is the breakdown.

Grid savings

Every kWh your battery covers is a kWh you do not buy from Synergy at peak. At 32¢/kWh on the A1 tariff, a 10kWh battery cycling daily saves roughly $1,170/year.

32¢

per kWh saved

Rebate stack

Federal STCs and the WA Battery Scheme together reduce your upfront cost by $3,000–$5,000. The exact amount depends on system size and postcode.

$5k

up to

DEBS export credits

Exporting stored energy to the grid during peak demand windows earns 10¢/kWh. Available to Synergy customers with an eligible battery.

10¢

per kWh exported

From the source

What the numbers show

Clean Energy Council

3.7M homeswith rooftop solar in Australia

More per capita than any other country. WA leads in per-household generation, which makes battery storage well-suited to self-consumption.

Solar Battery Perth modelling, Synergy rates Jul 2026

$1,500–$2,400modelled annual savings for Perth households

Self-consumption savings for a 10-13kWh system on the Synergy A1 tariff, plus $100-180/year through Battery Rewards VPP events. See our methodology for inputs and assumptions.

AEMO quarterly market data

Frequentnegative midday wholesale prices

WA's wholesale market regularly hits negative pricing during solar peaks. Batteries that shift household consumption into those windows capture the most value per kWh stored.

WA Government

Up to $1,300WA Residential Battery Scheme

For Synergy customers. Stackable with federal STCs worth $3,000–$5,000.

Solar Battery Perth is independent. We don't sell products, and we don't take manufacturer payments to influence rankings. Read our methodology

122 suburbs covered

Solar data for your suburb

Fault rates, installer counts and battery sizing for Joondalup, Fremantle, Rockingham, Mandurah and 118 more.

Questions we get asked

A typical 10–13 kWh system installs for $10,000–$14,000 after rebates. The main variables are battery capacity, whether a hybrid inverter swap is needed (add $2,000–$3,000 if you are retrofitting to existing solar), and installation complexity. Our calculator gives a closer figure once you enter your usage.

Two programs apply: Federal STCs (typically $3,000–$5,000 depending on battery size and timing) and the WA Battery Scheme ($130/kWh up to $1,300 for Synergy customers, 10 kWh maximum eligible capacity). Both stack. The WA scheme requires VPP enrolment.

Industry analysis and typical Perth configurations put payback at 6–9 years for a battery sized to your actual usage. Oversized batteries take longer. Most of the saving comes from self-consumption, using stored solar at night, rather than export credits.

Battery prices have stabilised after years of decline. Under the federal STC framework in force since 1 May 2026, batteries up to 14 kWh receive the full rebate factor, with reduced allocations at the 14–28 kWh and 28–50 kWh tiers. For most homeowners, if the system is sized to your usage, the economics work today. Right-sizing matters more than timing.

Yes. We compare CEC-approved batteries, inverters, and solar panels from hundreds of manufacturers. Installer matching covers panels only, a battery retrofit, or a full system with panels, inverter, and battery together.

It depends on your existing setup. With a standard solar inverter, you can either replace it with a hybrid inverter or add an AC-coupled battery that brings its own inverter. For a new solar + battery install, a hybrid inverter is usually the lowest-cost configuration. Our quiz works out which fits.

Still comparing solar systems?

Six questions, about two minutes. We'll match you with SAA-accredited Perth installers who quote off your actual usage, not a sales script.

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