NOTICE DATE: April 1, 2008 NOTICE TYPE: W-B040108-01 Operations CLASSIFICATION: Public SHORT DESCRIPTION: ERCOT 2008 Severe Weather Hurricane Drill INTENDED AUDIENCE: Transmission Service Providers, QSEs with Resources and other interested Market Participants DAY AFFECTED: See table below LONG DESCRIPTION: The annual "Severe Weather Drill" as required by the ERCOT Operating Guide, Section 1.8.5, will be conducted May 12 - 14, 2008. This year's Drill will simulate a Category 4 Hurricane. Below is a timeline of events and due dates. Transmission Service Providers and QSEs representing Resources are required to participate in the system operations drill. Other interested Market Participants are invited to participate in the emergency communications drill which runs simultaneous with the operations drill. ERCOT corporate communications will conduct an email-only drill which simulates crisis notification. Participants are welcomed to simulate the use of their own internal emergency plans. RSVP to [log in to unmask] by April 18, 2008 if you would like to participate in the communications portion of the annual drill. Severe Weather Hurricane Drill Timeline of Events April 18, 2008 Operations Drill Participants' confirmations due back to ERCOT May 5, 2008 Drill Conference Call May 12- 14, 2008 Drill Days (0800 - 1700) May 16, 2008 Drill Participants' Critique responses due back to ERCOT May 26-28, 2008 Backup Drill day ACTION REQUIRED: Transmission Service Providers and QSEs representing Resources are to confirm their participation by sending an email to Kelly Blackmer at [log in to unmask] by April 18, 2008. Operations staff of other Market Participants (e.g., QSEs that do not represent Resources) are welcome to email Kelly Blackmer to participate with ERCOT Operations in Hot Line calls. ADDITIONAL INFORMATION: The attached files include: the 2008 Drill Invitation, Drill Scripts (ERCOT version), Drill Activities (QSE), Drill Activities (TO), Drill Critique, QSE and TO Assigned Phone Numbers for the Drill, Fuel Reporting Survey, and Drill Script. 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 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 <http://lists.ercot.com/> . yl/amm