Interactive Tool
Solar Battery Payback Calculator
Estimated payback6.7 years
Australia Solar Battery Quotes
Find out if a home battery pays back before you request quotes.
A savings calculator and buyer guide for Australian homeowners comparing Tesla Powerwall, Sungrow, BYD, Enphase and local battery installers. The federal program is framed as around a 30% discount on eligible small-scale batteries, usually applied through installers.
What you get
A payback estimate, rebate context, and a short checklist for comparing installer quotes.
Best forHomeowners with rooftop solar, high evening usage, or a battery quote they want to sanity-check.
2 minute payback checkNo email needed to test a quote.
Around 30%Federal discount framing for eligible small-scale batteries.
Installer-ready questionsCompare capacity, warranty, tariff assumptions and rebate treatment.
What affects payback?
- Your evening and overnight electricity use.
- Battery capacity, usable capacity and installed price.
- Feed-in tariff, time-of-use tariff and VPP participation.
- Federal and state incentives available at the time of purchase.
Rebate Guide
What to know about the federal battery discount
The federal program is described as around a 30% discount for eligible small-scale batteries connected to rooftop solar.
The discount is usually handled through retailers or installers, so ask how it is shown on your quote.
Tariffs, feed-in rates, usage patterns, VPP payments and battery degradation can all change real payback.
Trusted References
Check official rebate information before buying
- energy.gov.au Cheaper Home Batteries Program - federal program overview.
- energy.gov.au solar PV and batteries - household solar and battery guidance.
This calculator is a planning estimate only. We may receive a referral fee if you ask to be connected with an installer and choose to proceed.
Quote Checklist
Ask installers the same questions
Ask for nominal and usable capacity, compatible inverter details and backup capability.
Ask how any federal or state discount is shown on the quote and whether eligibility is confirmed.
Ask what tariff, feed-in rate and usage pattern the installer used for savings estimates.
Compare product warranty, workmanship warranty, monitoring access and after-sales support.
Buyer Guides
Read before comparing battery quotes
Estimate how a federal battery discount changes net installed cost and payback assumptions.
Check installer quote treatment for the national battery discount before buying.
Prepare NSW battery quote questions around federal discounts, local offers and final out-of-pocket cost.
Check Solar Victoria and federal discount assumptions before comparing battery quotes.
Compare installed price, usable capacity, backup scope and rebate treatment before buying.
Prepare Powerwall quote questions around backup, switchboard work, rebate line items and payback.
Compare installed price, backup scope, warranty and savings assumptions across installer quotes.
Ask the right questions about backup circuits, gateway hardware and outage runtime.
Estimate how quote price, bill savings and rebate assumptions affect Powerwall payback.
Understand the federal battery discount and how it may appear on installer quotes.
Prepare postcode, bill and solar details before asking local installers for pricing.
Quote Request
Prepare a quote request installers can price properly
Share your postcode, bill range and solar status so your battery request has the details installers normally ask for.
FAQ
Solar battery questions
No. Eligibility and discount value must be confirmed with the installer and official program rules.
No. It depends on usage, tariffs, battery cost, system size, rebates and whether you join a VPP.
Yes. Compare the battery model, usable capacity, backup capability, discount treatment and warranty.