NOTICE DATE: May 1, 2012

NOTICE TYPE: M-C050112-01 INITIAL: Release – Retail: Texas SET V4.0 Implementation

SHORT DESCRIPTION: Texas SET V4.0 market shutdown timeline and mandatory market calls

INTENDED AUDIENCE: All Market Participants

DAY AFFECTED: 12:00 Friday, June 1, 2012 through 00:00 Monday, June 4, 2012

LONG DESCRIPTION: The details for the market shutdown for Texas SET Version 4.0 migration may be referenced in the Texas SET Version 4.0 Production Implementation Plan posted on the Market Coordination Team (MCT) Webpage of the ERCOT website (http://www.ercot.com/committees/board/tac/rms/mct/index.html). Included in the implementation plan, as well as below, is the market conference call timeline.

Friday, June 1, 2012
Time	Task	Entity
8:00 AM	CRs suspend sending 814 transactions to ERCOT (both EDI and through Retail portion of MIS)	All CRs
	CRs begin using Safety Net process for as needed for submitting MVIs with a requested date of June 1 - June 5	All CRs
	CRs begin using Emergency Reconnect for non-payment spreadsheet process as needed for submitting Reconnects for Non-Payment	All CRs
	CRs suspend 814_PC transactions	All CRs
	CRs suspend 650_01 transactions	All CRs
	TDSPs suspend 650_04 transactions	All TDSPs
	TDSPs suspend 814_20 transactions	All TDSPs
9:00 AM	TDSPs suspend 867s and 814 responses	All TDSPs
	CRs suspend 824 transactions	All CRs
	TDSPs suspend 814_PD transactions	All TDSPs
	TDSPs suspend 650_02 transactions	All TDSPs
	CRs suspend 650_05 transactions	All CRs
	TDSPs to log MarkeTrak Issue with ERCOT for AMS Initial load file (excludes Sharyland and Nueces)	All TDSPs
10:00 AM	Third Market Conference Call - ERCOT confirmation of transaction suspension. Update on transaction processing.	All MPs
12:00 PM	TDSPs suspend 810_02 (820_03MC) transactions	All TDSPs
	CRs suspend 820_02 (810_03MC) transactions	All CRs
	997s suspended for all transactions	All MPs
	ERCOT shuts down inbound and outbound processing and MarkeTrak	ERCOT
	ERCOT sends out System Shutdown email to market	ERCOT

ACTION REQUIRED: All LSEs and TDSPs must participate in the mandatory market calls. Please note the information below for specific dates and times for the mandatory market calls. The dial in number and pass code for all of the calls are the same. ERCOT requests that all participants from the same company dial in from a centralized location to make sure that lines are available for all market participants. Call dates and times are as follows:

Tuesday, May 29, 14:00 CPT

Thursday, May 31, 16:00 CPT
Friday, June 1, 10:00 CPT
Saturday, June 2, 12:00 CPT
Saturday, June 2, 18:00 CPT
Sunday, June 3, 10:00 CPT

Meeting information

To join the meetings, go to: https://ercot.webex.com/ercot/j.php?ED=191999682&UID=482806862&PW=NYWIxYWMzMjUx&RT=MiM3

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Topic: TX 4.0 Market Calls
Meeting Number: 659 806 314
Meeting Password: Set4mc
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Audio conference information
Call-in toll-free number: 1-877-668-4493
Access code: 659 806 314

Muting Instructions: To ensure no interference with your call, please inform all parties of the following:
A. If you are using a speaker phone, please mute the speaker.
B. If you need to mute/un-mute your phone, press *6
C. If at any time you need operator assistance, press *0

ADDITIONAL INFORMATION: For references to Texas SET V4.0 functionality for this release, please use the following link to the Market Coordination Team (MCT) webpage on the ERCOT website: http://www.ercot.com/committees/board/tac/rms/mct/index.html.

During this outage the following functions will be affected:

Market participants utilizing NAESB to send/receive transactions to/from ERCOT will NOT be able to send/receive transactions to/from ERCOT during the outage.
867 Transactions will NOT be forwarded during the outage.
997 Functional Acknowledgements will NOT be sent during the outage.
MarkeTrak will be unavailable for the duration of the outage.
Retail Applications will be unavailable on both the Market Information System (MIS) and the Retail API.
eService application will be unavailable on the Market Information System (MIS).
The following ERCOT internet services could potentially be affected and NOT available during this outage, including but not limited to:
- Texas Renewables – www.texasrenewables.com

· The following reports and extracts will be impacted due to the outage timeframe:

o 997 Report EMIL ID: NP19-4

o Potential Load Loss Report EMIL ID:COMS-428

o Siebel Service Order Extract EMIL ID: COMS-163

o Market Participant Dispute Extract EMIL ID: NP9-515

o ERCOT Summary Dispute Report EMIL ID: NP9-592

· The draft version of the TX SET 4.0 Data Definition Language (DDLs) for the TDSP ESIID Extract and the Siebel Service Order Extract have been posted in the Key Documents section of the MCT page.

o http://www.ercot.com/committees/board/tac/rms/mct/.

NOTE: The final version of these DDLs will be posted to the Services Page of the Market Information System (MIS) and ERCOT.com.

CONTACT: Listed below for your reference are the ERCOT business and technical contacts for Texas SET V4.0. Should you have any questions relating to your company’s Version 4.0 implementation plans, we suggest you contact your company’s Version 4.0 Market Coordination Team representative.

ERCOT Market Liaison

Gene Cervenka

[log in to unmask]

512.248.3903 (Office)

512.826.0564 (Cell)

ERCOT Project Manager

Leo Castillo

[log in to unmask]

512.248.4677 (Office)

214.797.1541 (Cell)

ERCOT Sr. Data Analyst

Kathryn Thurman

[log in to unmask]

512.248.6747 (Office)

512.636.6629 (Cell)

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

If you are receiving e-mail from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com.

JR/CD

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