Compare rates, charging windows and export payments before choosing a tariff for a battery-equipped home.
The Short Answer
The best tariff is usually the one that gives your battery enough genuinely cheap charging hours while still protecting you from expensive peak periods. The headline night rate is only one part of the calculation.
Current tariffs: what actually matters
For a home battery, compare the complete tariff structure rather than a single advertised rate. Look at the cheap-rate price, how many hours it applies for, the day and peak rates, standing charges, export payments and any conditions attached to the plan.
What to look for
A useful battery tariff gives you a practical charging window. A very low rate that lasts only a short time can be less valuable than a slightly higher rate that gives the battery enough time to reach the required state of charge.
Homes with and without solar
With solar, the tariff decision also depends on what you are paid for exported generation. Without solar, most of the value comes from shifting electricity purchases from expensive periods into the cheapest available charging window.
Dynamic tariffs
Dynamic tariffs can create additional opportunities because prices change more frequently, but they require suitable controls and a battery strategy that responds to price changes rather than using a fixed schedule.
Key Takeaway
Battery economics depend on the complete energy flow: what electricity costs when you charge, what it would cost when you discharge, what solar export is worth, and how efficiently the battery is used.
Frequently Asked Questions
Is the cheapest night rate always the best?
No. Charging-window length, peak rates, export rates and standing charges can outweigh a small difference in the headline night price.
Do I need a smart meter?
Most time-of-use and dynamic tariffs require a smart meter and an eligible electricity plan.
Should I include export payments in the comparison?
Yes. If you have solar, exported electricity has a value, so storing it instead of exporting it has an opportunity cost.
Check My Tariff
Compare your current tariff against how your battery is actually being charged and discharged.
Get a Battery AssessmentTariffs, supplier terms and export payments change. Check the current plan details before making a purchasing or settings decision.