Residential Energy Storage systems are designed to maximise the self-consumption of clean energy from external systems (such as photovoltaic panels) and to harness renewable energy in such a way that homes are powered even when the grid is down.

Photovoltaic panels produce the most energy during the day, when energy consumption is usually lowest (because most people are at work at that time).

On the contrary, in the morning and in the evening, consumption is higher and Residential Energy Storage makes energy available where and when it is needed: a " tank " of energy is a must to increase self-consumption and energy self-sufficiency, in fact it solves the problem of cyclicality and unpredictability of renewables.