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:  S-315  Emergency OverLoad Mitigation
Procedure for Stability Rated Paths
Version: 2.2
Effective Date: 8-1-2001
Procedure Purpose: The purpose of this procedure is to reduce flows on ISO
managed Interconnections within twenty minutes as required by WSCC Mandatory
Reliability Criteria, through coordinated operational measures with adjacent
interconnected Control Areas.  Such measures may include, transferring flow
to other facilities, Generation changes, and Schedule adjustments.
Summary of changes: The WSCC stability limit changed from 10 to 20 minutes.

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

If you have any questions, please e-mail the 'Procedure Control Desk'
mailbox [mailto:procctrldesk@caiso.com] and we will respond as soon as
possible.

Thank-You,

Operations Support and Training

CRCommunications
Client Relations Communications
California ISO