This is one project for Cayenne Dashboard. You can read the value of STC-013 Amp sensor by using an Arduino MKR-1000 and put the value on the cloud. You can visualizing tha value by using the Cayenne Dashboard. For the STC-013 sensor I use enom library.
Emon project https://openenergymonitor.org/ For more informations you can visit www.mydevices.com