For all smart plugs, smart power strips, outlets etc.  

A screen to easily see all smart devices and total power usage for each device plus totals at the bottom over a set electricity billing cycle. Suggested layout of screen from left to right;

Top Header of you choose with option to choose each room or all to see all devices

Column

1. Power toggle on off button

2. Name of device

3. Current usage (tap to cycle through other usage options) (Bottom of column 3 energy totals in KWH.)