I got my new Efergy meter setup yesterday and installed the Efergy 2.0 (Connect) for SmartThings by @tonesto7 and I am very impressed so far.
The power usage shows in watts and updates about every 30 seconds.
It now shows up in SmartThings and in SmartTiles.
Here is the link if anyone is interested - https://community.smartthings.com/t/updated-efergy-2-0-connect/27879