Market Participants:

Please assure that this Notification is forwarded to your respective
Operating Departments ---

Notification of Operating Procedure Update

*	The following new or revised ISO Operating Procedures have been
implemented and are posted for reference on the ISO Website.

ISO Operating Procedure posted:  E-508 Electrical Emergency Plan 
	(With attachments A & C, NOTE: Attachment B is NOT Posted for
Security Reasons)
Version: 3.0
Effective Date: 2-6-02
Procedure Purpose: Describes the process utilized by the Shift Manager to
address an imbalance between available system resources and system Demand
during periods when an Operating Reserve shortage is imminent or already
exists, and includes all aspects of the notification process.   
Changes / Reasons: See attached
 <<E-508 Procedure Change Description V3.0.doc>> 

*	Please find them at
http://www1.caiso.com/thegrid/operations/opsdoc/index.html under the
appropriate Operating Procedure section heading.

Please e-mail any comments or questions to the 'Procedure Control Desk'
mailbox [mailto:procctrldesk@caiso.com] and we will respond as soon as
possible.

Thank you!

California ISO Procedure Control Desk




Client Relations Communications.0921
CRCommunications@caiso.com