Store the solar energy your home makes during the day so you can use it during peak periods, when grid electricity typically costs more.
Batteries currently available for this upgrade. Full specifications are available.
A Battery Energy Storage System (BESS) stores electricity, usually from your rooftop solar, so you can use it later, such as in the evening. Because grid power is typically most expensive in the evening and solar feed-in tariffs are low during the day, storing your own energy can reduce your bills considerably.
It works like a rechargeable power bank for your home: excess solar charges the battery during the day, and you draw on that stored energy at night or during peak times. It is one of the upgrades you may be able to choose through Home Energy Saver.
A battery is most useful alongside rooftop solar. Your home assessment confirms the right battery and size before anything is installed.
A home battery may suit your home if you:
Your property assessment confirms the right battery and size for your home before anything is installed.
Home batteries generally range from about 6 kWh to 35 kWh or more.
A system can pay for itself in about seven years.
Indicative annual benefit through stored energy and VPP payments
Most useful if you already have, or are installing, rooftop solar.
A home battery works hardest as part of a connected home energy system. These upgrades are commonly chosen alongside it.