Powervault is an award winning, patent-pending, home energy storage system Powervault has developed the UK’s most affordable and easiest to install home energy storage device, which can lower consumer electricity bills and provide emergency power to critical devices. In its initial market application the product stores ‘free’ electricity generated by solar panels during the day, then releases the stored energy during the evening when household demand peaks, delivering a 20% reduction on electricity bills. Our ‘emergency power socket’ enables customers to use their stored energy during black-outs, an issue for over 1 million UK customers per year. The initial addressable UK market of 1m solar PV owners is about to expand rapidly as regulation drives the roll out of smart meters enabling ‘smart tariffs’. This will allow any of the 26m UK homes to benefit from storing electricity when it is cheap to use at expensive ‘peak’ times.