NOTICE DATE: May 22, 2014

NOTICE TYPE: W-B052214-01 Settlements

SHORT DESCRIPTION: Notification of Real Time Market Resettlement for Operating Days May 11^th through May 15^th 2014

INTENDED AUDIENCE: QSE and CRRAH Settlement Personnel

DAY AFFECTED: Operating Days May 11^th through May 15^th

LONG DESCRIPTION: Per Protocol Section 9.5.6 (2) ERCOT shall issue a RTM Resettlement Statement for a given Operating Day due to data error in data other than prices when the total of all errors in data other than prices results in an impact greater than 2% of the total payments due to ERCOT for the RTM for the Operating Day, excluding bilateral transactions.

Errors associated with usage data will necessitate issuing Real Time Market (RTM) Resettlement Statements for the Operating Days of May 11, 2014 to May 15, 2014. ERCOT plans to complete the statement postings for all Operating Days by May 30, 2014. ERCOT will post a Notice of Resettlement for each RTM Resettlement on the MIS Public Area.

The RTM Resettlement Statement for May 11, 2014 will post today, May 22, 2014

Further details about the May 11, 2014 Resettlement Statement are included in the table below:

Affected Operating Day	May 11, 2014
Description of reason for Resettlement	Data Error
Affected Settlement Charge Types	RTEIAMT, LARTRNAMT, ESACAMT
Publication Date of Previous Settlement Statement	May 16, 2014
Publication Date of Resettlement Statement	May 22, 2014
Invoice Date of Resettlement Statement	May 22, 2014

Resettled Charge Types	Resettlement Amount
Real-Time Energy Imbalance Amount (RTEIAMT)	$ (1,788.69)
Real-Time Revenue Neutrality Allocation Amount (LARTRNAMT)	$ 1,787.97
ERCOT System Administration Charge Amount (ESACAMT)	$ 4.39

The data error resulted in high negative UFE for the initial settlement of operating days 5/11/2014 through 5/15/2014. The data error also impacted the calculation of Ancillary Service Obligations for operating days 5/18/2014 through 5/22/2014.

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].

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