Market Participants:

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

Please note: this procedure is not effective until June 1st, 2001

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-511 ISO Real-Time Callable Interruptible
Load Programs

Attachments A-F are not posted for security reasons
Version: 3.0
Effective Date: 6-1-01
Procedure Purpose: This Operating Procedure describes the ISO interruptible
Load programs that are callable in real time.  This includes two programs:
Voluntary Load Curtailment Program (VLCP) and Demand Relief Program (DRP)
Changes / Reasons: updated for summer 2001

*	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