Check the bill
We use the rate, window and plan name you confirm. The bill is supporting evidence, not a black-box data source.
For Australian Powerwall owners
Your battery may be missing the hours that pay most.
Upload a recent bill, confirm your plan details and get a clear estimate. The first audit is free and cannot change your battery.
12 am6 am12 pm6 pm12 am
Your battery has a full day to work with.Example 5–9 pm high-value window
Read-only startThe estimate cannot control your Powerwall.
Bill-backedYou confirm the rate and window we calculate from.
Plain pricingAutomation will cost 10%, capped at A$15 a month.
The problem
A high export rate is useful only if the battery exports in that window.
Powerwall settings and retailer plans do not always line up. A battery can send cheap energy out during the day, then hold back when the export rate rises.
Estimate the gap
We account for usable capacity, export power, backup reserve and exports already reaching the peak window.
Choose what to do
Keep your setup, adjust it manually or ask to join the founding automation beta. The result shows the trade-offs.
A conservative estimate
We show a range, not a magic number.
Weather, household use and plan rules move the result. Until we have live read-only data, the calculator assumes only 55–80% of the theoretical opportunity can be captured.
Read the calculation methodFounding beta
You keep at least 90%.
If BatteryPays later controls an eligible export, the proposed fee is 10% of verified earnings from that action, capped at A$15 per calendar month. No attributable earnings means no fee.
10% of verified eligible earnings
- Maximum A$15 in a calendar month
- Solar export is not billed
- Unclear or unprovable activity is not billed
- Your retailer pays you directly