NOTICE DATE: April 24, 2024

NOTICE TYPE: M-B031324-03 Testing

SHORT DESCRIPTION: Reminder: Retail Market Qualification Testing (Flight 0624) begins May 7, 2024, application processing deadline of April 10, 2024, and a registration deadline of May 1, 2024.

INTENDED AUDIENCE: Existing and potential new Competitive Retailers (CRs) and Transmission Distribution Service Providers (TDSPs)

DAYS AFFECTED: April 10, 2024 - June 14, 2024

LONG DESCRIPTION: ERCOT and the Texas Standard Electronic Transaction (TX SET) Working Group announce preparations are underway for the next round of Retail Market Qualification Testing, Flight 0624. Flight 0624 tests for TX SET Version 4.0A and is scheduled to begin May 7, 2024.

Registration for this Flight will be completed in the FlighTrak system.

Testing is required for:

Participation in Out of Flight Testing is limited to existing Market Participants (CRs and TDSPs) that did not make the deadline for the actual Flight Test and is subject to Flight Administrator and TDSP approval. Out of Flight testing includes testing for changing service providers to an existing service provider and changing banking information.

ACTION REQUIRED: Please see the "Approved 2024 Test Flight Schedule" on Texas Retail Market Testing page and the Retail Market Test Flight Information page of for all registration and deadline information for Flight 0624.

Deadlines are:

New CRs participating in Flight 0624 are requested to have their banking information established prior to the Flight deadline, May 1, 2024 at 17:00 CPT.

ADDITIONAL INFORMATION: Available documents for Texas SET Version 4.0A are on

"Retail Market Testing Orientation information" is found on the Texas Retail Market Testing page of

The Flight Testing information is found in the "Texas Market Test Plan 120119" on the Texas Standard Electronic Transaction Working Group page on

The “FlighTrak Users Guide” is found on the Texas Retail Market Testing page of

CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at [log in to unmask].

If you are receiving email from a public ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: