Time-of-Use Tariffs & Home Batteries: How to Arbitrage Your Bill

Time-of-use tariffs create a daily arbitrage opportunity for battery owners. Here's how TOU pricing works and how batteries exploit the rate structure.

What You Need to Know

This guide covers everything Australian homeowners need to understand about time-of-use tariffs & home batteries how to arbitrage your bill. We've compiled the most important information to help you make an informed decision.

Peak rate (3-9pm)

40-55c/kWh in most states

Off-peak rate (11pm-7am)

10-20c/kWh

FiT (export)

3-5c/kWh — store instead

Arbitrage spread

up to 48c per kWh saved

Annual TOU savings on 10kWh

$700-1,500

How This Affects Your Home Battery Decision

Understanding time of use tariff battery storage is essential for making the right energy investment for your home. The CHBP rebate (currently $372/kWh for the first 50kWh) makes now an excellent time to act — combined with state rebates where available, Australian homeowners can access substantial discounts.

Next Steps

Ready to explore your options? PowerSmarter connects you with SAA-accredited installers who can assess your specific situation and provide competitive, transparent quotes. Get three quotes, compare on the metrics that matter, and make your decision with confidence.

The CHBP has no income limits and no hard expiry date — but installer capacity is real. Start the process now to secure your slot before the current queue extends further.