Guides
Solar battery guides for Australian homes
Longer explainers that sit beside the free calculator and cost guide. Start here if you want the policy and sizing context before you run numbers.
Topics cover the federal Cheaper Home Batteries Program, adding a battery to existing solar, typical sizes and payback drivers, state rebate differences, popular brands, and whether a home battery is worth it for your usage. Each guide links back to the calculator so you can turn the context into a personalised net cost.
Cheaper Home Batteries Program explained
A plain-English guide to the federal battery discount: how the STC rebate is calculated, what it usually knocks off installed cost, and why timing still matters.
Updated July 2026
Add a battery to existing solar
Most Australian homes with solar can add storage without replacing the whole system. This guide explains AC vs DC retrofit paths, what your current inverter means for cost, and how to size a battery for the panels you already have.
Updated July 2026
Hybrid inverter upgrade cost
Many battery quotes include a hybrid inverter swap, not just the battery cabinet. This guide explains typical hybrid inverter upgrade costs, switchboard extras, when DC coupling beats AC retrofit, and how to compare quotes that bundle inverter work with storage.
Updated August 2026
What size solar battery do I need?
Most homes land between about 8 and 13.5 kWh usable. This guide walks through a practical sizing method - evening load, solar match, backup goals and federal rebate taper - so you can compare neighbouring sizes before you commit to a quote.
Updated September 2026
What actually changes solar battery payback
Payback is not a single national number. Import rates, feed-in tariffs, how much solar you already export, net cost after rebates and whether you join a VPP move the result more than brand slogans. This guide walks through the levers with worked examples you can check in our free calculator.
Updated August 2026
State battery rebates compared
The federal Cheaper Home Batteries Program is national. State support is not. This guide compares all eight jurisdictions with net-cost bands, stackable rebate flags and links to each state calculator page so you can model your actual net price.
Updated August 2026
Tesla Powerwall 3 cost in Australia
The Powerwall 3 is a 13.5 kWh all-in-one home battery with an integrated inverter - one of the most searched brands in Australia. This guide covers typical installed prices, how the federal rebate applies, state-by-state net cost, and when a modular stack may be better value.
Updated July 2026
Alpha ESS SMILE cost in Australia
Alpha ESS SMILE is one of the most quoted modular home batteries in Australia, commonly sold at 8 and 10 kWh usable. This guide covers typical installed prices, how the federal rebate applies to each size, state net cost, inverter pairing and when SMILE beats or loses to Powerwall and Pylontech on value.
Updated August 2026
Pylontech US5000 cost in Australia
Pylontech US5000 is one of the most installed modular battery lines in Australia, usually quoted as a stack of 4.8 kWh modules totalling about 10 kWh usable. This guide covers typical installed prices, federal rebate maths, state net cost, inverter pairing and when US5000 beats Alpha ESS and Powerwall on value.
Updated August 2026
Enphase IQ Battery cost in Australia
Enphase IQ Battery is the premium AC-coupled storage line designed for Enphase microinverter solar homes, commonly quoted as the IQ Battery 10T at about 10.1 kWh usable. This guide covers typical installed prices, federal rebate maths, state net cost, ecosystem pairing and when IQ Battery beats or loses to Powerwall and modular stacks on value.
Updated August 2026
sonnenBatterie cost in Australia
sonnenBatterie is a premium AC-coupled home battery line, commonly quoted as the 10 kWh class unit at about 10 kWh usable. This guide covers typical installed prices, federal rebate maths, state net cost, retrofit fit, VPP positioning and when sonnen beats or loses to Powerwall, Enphase and modular stacks on value.
Updated August 2026
LG RESU cost in Australia
LG RESU is a compact DC-coupled home battery line from LG Energy Solution, commonly quoted as the RESU 10H class at about 9.8 kWh usable. This guide covers typical installed prices, federal rebate maths, state net cost, hybrid inverter pairing and when RESU beats or loses to Powerwall and modular stacks on value.
Updated August 2026
GoodWe ESA cost in Australia
GoodWe ESA is a popular all-in-one / hybrid-class home battery in Australia, commonly quoted near 16 kWh usable. This guide covers typical installed prices, how federal rebate taper above 14 kWh changes the maths, state net cost and when ESA beats or loses to Powerwall and modular 10 kWh stacks.
Updated August 2026
Best home batteries in Australia
There is no single best battery for every home. This guide compares popular Australian systems by value, retrofit friendliness, expandability and net cost after the federal rebate - so you can shortlist before requesting quotes.
Updated August 2026
Sungrow SBR battery cost in Australia
Sungrow SBR is a modular home battery stack commonly quoted around 12.8 kWh usable. This guide covers typical installed prices, federal rebate maths, state net cost, inverter pairing, quote scope and how SBR compares with BYD, Pylontech and Tesla Powerwall on value.
Updated August 2026
BYD Battery-Box cost in Australia
BYD Battery-Box (HVM class) is a widely installed modular battery in Australia, usually quoted around 11 kWh usable. This guide covers typical installed prices, federal rebate maths, state net cost, inverter pairing, quote scope and when BYD beats or loses to Sungrow, Pylontech and Powerwall on value.
Updated August 2026
Is a home battery worth it in Australia?
A home battery is worth it when evening grid imports, tariff shape and net cost after rebates line up - not because a national average says so. This guide gives a practical yes/no framework with household profiles, state context and the same levers our calculator models.
Updated September 2026
10 kWh battery cost after rebate
Ten kilowatt-hours is one of the most searched home battery sizes in Australia. This page gives before/after rebate ranges, what the federal discount is worth on 10 kWh, and how state stacking changes the net.
Updated July 2026
Virtual power plant (VPP) guide
A virtual power plant lets your battery join a fleet that the grid can call on for exports or demand response. In Australia, VPPs can unlock one-off connection incentives, ongoing credits, or mandatory scheme rules - especially in NSW and WA. This guide explains how they work, what they pay, and what to check before you sign up.
Updated August 2026
State and territory cost pages
Local rebate notes and a calculator preset for each jurisdiction.