NOTICE DATE:  August 17, 2010

NOTICE TYPE:  W-A08172010-01 Settlements

SHORT DESCRIPTION:  Payment due on Private Wide Area Network (WAN) Fees

INTENDED AUDIENCE:  Market Participants with an executed ERCOT WAN Agreement

DAY AFFECTED:  September 15, 2010

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 in that entity's folder on the Texas Market Link (TML) in a folder marked MISCELLANEOUS.

ACTION REQUIRED:  The WAN Invoice issued August 16, 2010, is due September 15, 2010. Please remit payment for any WAN Invoices due by September 15, 2010.

ADDITIONAL INFORMATION:  The MISCELLANEOUS folder is found in the TML list of folders. Access to this folder will require a Digital Certificate with the "Reports" role assigned. If you do not already have a Digital Certificate and require access, please contact your company's User Security Administrator (USA). All files posted to the MISCELLANEOUS folder will remain visible for 30 days before rolling off.

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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