Zest has been serving the African industry for more that thirty years,with electrical motors, transformers, VSD's. Now it can assist with remote KWH meter readings from anywhere in the world, billing , a smart grid solutions.e.g. meters can be used as prepaid or credit meters, you can change them as you which . All meters are power quality , and detect the following line loss, under and over voltage.Detects 42 different types of tamper, and send out reports via sms or email.Zest Energy offers the following to its customers 1. Smart KWH meters 2.Smart grid solutions 3. load shifting, load control 4 Time of use 5 Anti tamper of the equipment and infrastructure 6 Cable theft detection in 1 min 7 Power quality monitoring 8 Meter readings 24 times per day 9 Water and gas 24 times per day 10 Online vending , pay for power from anywhere in the world 11 Use current STS vending 12 Installation 13 12 Month guarantee on all equipment installed