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Just got the folowing email back from ComEd:

Good afternoon,

After some investigation it was discovered that the smart things/ Samsung Hub is not the correct ZigBee protocol and therefore is not compatible with SMCD.

Thank You, ComEd SMCD Team - SMCDHelpDesk@exeloncorp.com

Previous research - here is the listed protocol information I could find for the SmartMeter in Chicago area:

   ZigBee - Smart Energy Profile (SEP) version 1.1 to be able to communicate with a ComEd smart meter
          Silver Spring Networks DR Portal: 1.8.3.1 
          Silver Spring Networks AMM Portal: 4.7.9
          Silver Spring Networks 310 NIC Card Firmware: 2.14.1 & 2.16.6

Here is a link to the Zigbee official: You can get more information by reading the ZigBee Smart Energy Profile Specification Document 075356r16ZB on page 160. I (Rex) Have not read it yet.

Here is first hit “Smart energy Profile” on this board that may have appeal - here
Here is second hit - nice explanation that makes it clearer - only 1 Father per Household - here
Here is a third hit - Member: yvesracine - here