NOTICE DATE:  July 25, 2012

NOTICE TYPE:  W-C072512-01 Settlements

SHORT DESCRIPTION:  Payment due on private WAN fees

INTENDED AUDIENCE:  Market Participants with an executed ERCOT WAN Agreement

DAY AFFECTED:  August 24, 2012

LONG DESCRIPTION:  The ERCOT Wide Area Network (WAN) provides an interface for data transfer between Market Participants (MPs) and ERCOT. Pursuant to the ERCOT WAN Agreement, MPs are required to reimburse ERCOT's cost of performing or acquiring WAN services on a monthly basis.

ERCOT has posted the WAN Invoice for each entity who should receive one on the Market Information System (MIS) under Services/ERO and WAN Invoices at https://mis.ercot.com/pps/tibco/mis/Pages/Services/Home.

ACTION REQUIRED:  The WAN Invoice issued July 25, 2012, is due August 24, 2012. Please remit payment for any WAN Invoices due by August 24, 2012.

ADDITIONAL INFORMATION:  Access to the WAN Invoice on the MIS will require a Digital Certificate with either the "QSE_EXTRACTS" or "TDSP_EXTRACTS" role assigned. If you do not already have a Digital Certificate and require access, please contact your company's User Security Administrator (USA).

CONTACT:  For questions regarding WAN Invoicing or Agreements, please contact Vanessa Spells at (512) 225-7014 or [log in to unmask]<mailto:[log in to unmask]>. 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]<mailto:[log in to unmask]>.

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