Free bill analysis · Synergy A1 is now 32.37c/kWh
In our modelled Perth scenarios, a home with solar and a battery cuts its grid bill by 50–75%. Going all-electric, with EV charging and heat pump hot water, saves more again. Analyse your electric and gas bills, free, in under 60 seconds.
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Based on WA energy data, Synergy tariff rates, and verified product specifications.
Solar, batteries, EV chargers, heat pumps. Here is what each one does for your electricity bill, and where to start.
Perth averages 5.0 peak sun hours a day, among the best in the country. A rooftop system is usually the first upgrade that pays for itself.
Store the solar you make by day and use it through the evening peak, instead of buying it back from the grid.
Charge at home off your own solar and skip the petrol station. Daytime charging uses power you would otherwise export cheaply.
Heat pump hot water uses a fraction of the energy of an electric or gas element. One of the easiest ways to drop the gas bill.
Going all-electric is mostly about your bill. It also means cleaner air indoors and more say over what you pay each quarter.
Our modelled Perth scenarios put a solar-and-battery home at 50–75% off its grid bill. Going all-electric saves more again.
A gas cooktop burns fuel right inside your kitchen. Cooking with electric or induction keeps that combustion, and its indoor fumes, out of the house.
Make your own power by day and store it for the evening. You lean on the grid, and its price rises, a lot less.
A working solar system stays with the house when you sell. It is a paid-off asset the next owner inherits.
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Our tools check your bills against WA tariffs, rebates and install pricing, then show what to do first and what it saves.
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We track every WA rebate — SRES, DEBS, the Battery Scheme and council programs — so you never miss a dollar you're owed.
Model solar, battery and EV scenarios and see exactly how each upgrade affects your bills over 25 years.
Compare WA gas plans, analyse your gas bill, and see whether going all-electric saves you money.
Illustrative before-and-after examples, modelled on real WA tariffs, rebates and system pricing. They show a typical solar-and-battery home cutting its grid bill by 50–75%, with all-electric homes saving more again.
Baldivis, WA • Family of 4, 4-bedroom home
Before
$820/bill
Score: 42/100
After
$222/bill
Score: 88/100
Modelling note
In this scenario the household pairs a 6.6kW solar system with a 10kWh battery, achieving ~70% self-consumption. The modelled quarterly bill drops from $820 to ~$222 and annual savings reach ~$2,390 after STC and WA Battery Scheme rebates are applied.
Basis: Synergy A1 tariff (32.37c/kWh) + DEBS weighted export (~5c/kWh) + WA Battery Scheme rebate of $1,300.
Installation Timeline
Modelled scenario 1 of 5
Composite for demonstration. Numbers based on Synergy A1 tariff (Jul 2025 reset) and 2025–2026 WA installed pricing — not measured customer bills.
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