residential

At double the capacity and almost half the cost/kWh, Tesla's Powerwall 2 illustrates the break-neck speed at which battery storage is evolving.

In some political and media circles, South Australia's recent power woes have been cause to question the reliability of distributed renewables. For consumers, however, these events have had precisely the opposite effect, as interest in solar and battery storage spikes.

Most Australian households looking at battery storage just want to make the most of their solar investment and use as little grid supplied energy as possible. But what should they look to buy?