28/09/2026
When comparing home batteries, it can be tempting to assume that greater storage capacity automatically means a better system. π But battery sizing should start with something much closer to home: how and when your household actually uses electricity. π
A suitable battery capacity depends on several factors, including your rooftop solar generation, daily electricity consumption and the amount of energy typically required outside solar-producing hours. βοΈ Homeowners should also understand the difference between a battery's stated capacity and the usable energy available from the system. β‘
Before selecting a battery, consider:
Your average household electricity consumption
How much surplus solar your system produces
When your highest electricity demand occurs
The battery's usable storage capacity
The goal is not simply to install the biggest battery available. It is to choose storage that makes sense for your household energy profile.
Your home deserves more than a one-size-fits-all battery. Find a storage capacity that fits the way your household actually uses energy.