Illinois Communication Protocols Working Group

The Illinois Communication Protocols Working Group (CPWG) seeks to achieve consensus among Illinois electric and natural gas market participants in determining how business transactions are communicated via EDI.

Meeting Information


If you are interested in receiving invitations to future Illinois CPWG conference calls and would like to be placed on the Illinois CPWG distribution list, please send an email requesting this to the CPWG Chairperson (

Change Control Process
Change Control Form
CPWG Change Control List
Illinois EDI Implementation Guides
Ameren EDI Testing Scripts for Electric
Ameren EDI Testing Scripts for Gas
ComEd EDI Testing Scripts
NAESB model business practices and EDI standards are posted to the Illinois Commerce Commission’s Office of Retail Market Development (ORMD).  The NAESB EDI standards are specifically found in item 1.3.
Follow Us Twitter