Feb 1, 2011 - Triggering Event. System Operations. Actions. PUC Powerful Advice. Web Site. Legal / Corporate. Communicat
Energy Emergency Alert (EEA) External Communications Matrix
Level / Event
System Operations Actions
Triggering Event
PUC Powerful Advice Web Site
Legal / Corporate Communications Actions
Media Notification (after PUC & others notified) None
Advisory
< 3000 MW adjusted reserves
Note on "PUCT Daily Report" None email (distribution: PUC, ROS Conservation Encouraged listserv [open list]) - Normal Conditions
Watch
< 2500 MW adjusted reserves
Start RMR units; Instruct Notify GridAlert list* if potential QSEs to suspend generation for emergency situation. Conservation Encouraged testing; Deploy non-spin - Normal Conditions reserves; Dispatch quick start capacity
None
Peak demand expectation
Demand exceeding current records
Firm load shed
Grid operations requesting utility to drop load
Notify Corporate Communications of high demand expectations Notify Corporate Communications of firm load shed via emergency notification system Use capacity available from DC ties; Dispatch uncommitted units Deploy interruptible loads (LAARs); Begin block-load transfers of load to neighboring grids Deploy Emergency Interruptible Loads (EILS) if available
Release to media, if appropriate Release to media, if appropriate
EEA Level 1
< 2300 MW adjusted reserves
EEA Level 2A -- < 1750 MW adjusted MEDIUM potential reserves for firm load shed EEA Level 2B -- To maintain system HIGH potential for frequency at 60 Hz or adjusted reserves trending firm load shed downward or not available EEA Level 3
Cancellation of EEA Level 3 Cancellation of EEA
To maintain system frequency at 59.8 Hz or greater Frequency restoration
Instruct transmission operators to shed firm load via rotating outages in blocks of 100 MW n/a
Grid conditions normal
n/a
Conservation Needed Power Watch (optional) Conservation Needed Power Watch (optional) Conservation Needed Power Watch
Notify GridAlert list* if potential for emergency situation. Notify GridAlert list* with summary of situation
Notify GridAlert list* with summary of situation Notify GridEmergency list **
Conservation Needed Power Watch
Conservation Critical Power Warning
Release to media, if appropriate Release to media, if appropriate
Notify GridEmergency list** plus State Operations Center (SOC) with "High Priority"
Release to media, if not already done
Notify GridEmergency list**
Release to media
Notify GridEmergency list**
Release to media
Notify GridAlert list**
Update media as needed
Power Emergency Rotating Outages Conservation Needed Power Watch Conservation Encouraged - Normal Conditions
*
[email protected] : PUC, Texas RE; OPC, IMM, and ERCOT Board leadership **
[email protected] : Above plus SOC; Lege/Govmt leadership; ERCOT Board; MPs (GridNotification list); MP PIO's
2/1/2011
