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From:crcommunications@caiso.com
To:20participants@caiso.com
Subject:CAISO Notice - Operating Procedure - T-121 Sacramento Area Voltage
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Date:Wed, 2 Jan 2002 10:35:23 -0800 (PST)

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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: T-121 Sacramento Area Voltage Stability
Version: 3.2
Effective Date: 12/31/2001
Procedure Purpose: This Operating Procedure describes the steps required to
prevent voltage degradation and/or collapse in the Sacramento Area.
Technical studies indicate that low voltage can occur for transmission line
or Generating Unit Outages in the area during summer peak periods. This
Operating Procedure is generally applicable between the months of June
through September.
Changes / Reasons: Modified EMS References


* 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