Market Information System Grid and Market Conditions

Current Texas SET Implementation Guides

The Texas Standard Electronic Transaction (SET) Guides provide details of information contained within the electronic transactions used in the competitive retail electric market in Texas.

This version of the Texas SET guides contains updates to retail transactions to support the following:

  • Enhanced validation for ANSI X12 compliance
  • Enhanced validation for Texas SET compliance
  • Implemented additional functionality to capture and communicate multiple reject response reasons
  • Additional enforcement regarding segment looping validation standards

It was implemented on November 02, 2020.

Texas SET V4.0A 650

Texas SET V4.0A 810

Texas SET V4.0A 814

Texas SET V4.0A 820

Texas SET V4.0A 824

Texas SET V4.0A 867

Texas SET V4.0A 997

Texas SET V4.0A T Series