CAISO Notification: Operations Procedures E-501, E-502, E-503 and E-508

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 Procedures posted: E-501 Power System Restoration Procedure
E-502 Manual Load Shedding Procedure
E-503 Under-Frequency Load Shedding
Procedure
E-508 Electrical Emergency
Plan-NOTIFICATION PROCEDURE (with attachment A)
Effective Dates: 1-1-2001
Changes / Reasons: Current Year Ratios

* 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