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:  G-237 OPERATING PROCEDURE FOR SUMMER
RELIABILITY GENERATING (SRG) UNITS which includes
Please Note:  Attachments A, B, & C are NOT Posted for Security Reasons
Version: 1.0
Effective Date: 6-18-01
Procedure Purpose: The purpose of this Procedure is to outline the
commitment and Dispatch of Units under the Summer Reliability Agreement
(SRA) in order to maintain reliable system operation and Operating Reserves
on the California Independent System Operator (ISO) Controlled Grid.
Changes / Reasons: This is a new ISO Operating Procedure.  

*	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