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All notices should be confirmed with the appropriate operating personnel prior to taking any action.
System Status
Notices displayed in reverse chronological order

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NOTICE: 201201997 POSTED: 2012-04-30 16:03:00
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Southern CA Region Restricted Maintenance Operations [201201997]

The California ISO is declaring Southern CA Region RESTRICTED MAINTENANCE OPERATION for the period
from 04/30/2012 23:00 through 05/31/2012 23:59.

Reason:
Restricted Maintenance Operations in effect ONLY for the |Orange County and San Diego area of the Southern |California region. This declaration is due to the loss of |generation resources.

Restricted Maintenance Operations, as detailed in ISO Operating Procedure
4220, will be in effect.

Market Participants are cautioned to avoid actions, which may
jeopardize generator and/or transmission availability.

This notice supersedes notice 201201993 Southern CA Region Restricted Maintenance Operations Notice issued 03/31/2012 13:24

Notice issued at: 04/30/2012 16:03

---------------------------------- DISCLAIMER --------------------------------------
This CAISO notice is based on the current conditions of the transmission grid system.
While this CAISO notice reflects the most current information available to the CAISO,
because transmission grid system conditions are subject to sudden and rapid change
without warning, the accuracy of this notice cannot be assured. This CAISO notice
is provided solely for informational purposes. Reliance by any party on the contents
of this CAISO notice, regardless of any errors, omissions, inaccuracies, and/or
subsequent changed conditions shall not be made the basis for any claim, demand
or cause for action against the CAISO. Any recipient's decisions or actions that
may be based in any way whatsoever on the contents of this CAISO notice shall be
the sole responsibility of the recipient.
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NOTICE: 201201996 POSTED: 2012-04-02 23:59:00
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CAISO Grid TEST CANCELLATION NOTICE [201201996]

This concludes the monthly test of the California ISO Alert, Warning & Emergency (AWE)
Notification System.

This was only a test - NO ACTION REQUIRED.

This notice supersedes notice 201201995 Issue CAISO Grid TEST Notice issued 04/02/2012 09:10

Notice issued at: NoticePostDate

---------------------------------- DISCLAIMER --------------------------------------
This CAISO notice is based on the current conditions of the transmission grid
system. While this CAISO notice reflects the most current information available
to the CAISO, because transmission grid system conditions are subject to sudden
and rapid change without warning, the accuracy of this notice cannot be assured.
This CAISO notice is provided solely for informational purposes. Reliance by
any party on the contents of this CAISO notice, regardless of any errors,
omissions, inaccuracies, and/or subsequent changed conditions shall not be made
the basis for any claim, demand or cause for action against the CAISO. Any
recipient's decisions or actions that may be based in any way whatsoever on the
contents of this CAISO notice shall be the sole responsibility of the recipient.
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NOTICE: 201201995 POSTED: 2012-04-02 09:10:00
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CAISO Grid TEST NOTICE [201201995]

This is the monthly test of the California ISO Alert, Warning & Emergency (AWE)
Notification System.

This is only a test - NO ACTION REQUIRED.



Notice issued at: 04/02/2012 09:10

---------------------------------- DISCLAIMER --------------------------------------
This CAISO notice is based on the current conditions of the transmission grid
system. While this CAISO notice reflects the most current information available
to the CAISO, because transmission grid system conditions are subject to sudden
and rapid change without warning, the accuracy of this notice cannot be assured.
This CAISO notice is provided solely for informational purposes. Reliance by
any party on the contents of this CAISO notice, regardless of any errors,
omissions, inaccuracies, and/or subsequent changed conditions shall not be made
the basis for any claim, demand or cause for action against the CAISO. Any
recipient's decisions or actions that may be based in any way whatsoever on the
contents of this CAISO notice shall be the sole responsibility of the recipient.
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NOTICE: 201201994 POSTED: 2012-03-31 23:59:00
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_SOUTH_ CA Region Restricted Maintenance Operations CANCELLATION [201201994]

Effective 03/31/2012 23:59 the California Independent System Operator
has terminated _SOUTH_ CA Region Restricted Maintenance Operations.
Southern CA Region Restricted Maintenance Operations has been in effect
since 03/01/2012 00:01.



This message is from Market Operations at the California ISO.

This notice supersedes notice 201201991 Southern CA Region Restricted Maintenance Operations Notice issued 02/29/2012 18:59

Notice issued at: 03/31/2012 23:59

---------------------------------- DISCLAIMER --------------------------------------
This CAISO notice is based on the current conditions of the transmission grid system.
While this CAISO notice reflects the most current information available to the CAISO,
because transmission grid system conditions are subject to sudden and rapid change
without warning, the accuracy of this notice cannot be assured. This CAISO notice
is provided solely for informational purposes. Reliance by any party on the contents
of this CAISO notice, regardless of any errors, omissions, inaccuracies, and/or
subsequent changed conditions shall not be made the basis for any claim, demand
or cause for action against the CAISO. Any recipient's decisions or actions that
may be based in any way whatsoever on the contents of this CAISO notice shall be
the sole responsibility of the recipient.
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NOTICE: 201201993 POSTED: 2012-03-31 13:24:00
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Southern CA Region Restricted Maintenance Operations [201201993]

The California ISO is declaring Southern CA Region RESTRICTED MAINTENANCE OPERATION for the period
from 04/01/2012 00:01 through 04/30/2012 23:59.

Reason:
Restricted Maintenance Operations in effect ONLY for the |San Diego area of the Southern California region. This |declaration is due to the loss of generation resources. |NOTE that this notice is in effect through 04/30/2012 |23:59 and may be cancelled at any time should system |conditions warrant.

Restricted Maintenance Operations, as detailed in ISO Operating Procedure
4220, will be in effect.

Market Participants are cautioned to avoid actions, which may
jeopardize generator and/or transmission availability.



Notice issued at: 03/31/2012 13:24

---------------------------------- DISCLAIMER --------------------------------------
This CAISO notice is based on the current conditions of the transmission grid system.
While this CAISO notice reflects the most current information available to the CAISO,
because transmission grid system conditions are subject to sudden and rapid change
without warning, the accuracy of this notice cannot be assured. This CAISO notice
is provided solely for informational purposes. Reliance by any party on the contents
of this CAISO notice, regardless of any errors, omissions, inaccuracies, and/or
subsequent changed conditions shall not be made the basis for any claim, demand
or cause for action against the CAISO. Any recipient's decisions or actions that
may be based in any way whatsoever on the contents of this CAISO notice shall be
the sole responsibility of the recipient.
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NOTICE: 201201992 POSTED: 2012-02-29 23:59:00
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_SOUTH_ CA Region Restricted Maintenance Operations CANCELLATION [201201992]

Effective 02/29/2012 23:59 the California Independent System Operator
has terminated _SOUTH_ CA Region Restricted Maintenance Operations.
Southern CA Region Restricted Maintenance Operations has been in effect
since 02/08/2012 00:01.



This message is from Market Operations at the California ISO.

This notice supersedes notice 201201990 Southern CA Region Restricted Maintenance Operations Notice issued 02/08/2012 01:08

Notice issued at: 02/29/2012 23:59

---------------------------------- DISCLAIMER --------------------------------------
This CAISO notice is based on the current conditions of the transmission grid system.
While this CAISO notice reflects the most current information available to the CAISO,
because transmission grid system conditions are subject to sudden and rapid change
without warning, the accuracy of this notice cannot be assured. This CAISO notice
is provided solely for informational purposes. Reliance by any party on the contents
of this CAISO notice, regardless of any errors, omissions, inaccuracies, and/or
subsequent changed conditions shall not be made the basis for any claim, demand
or cause for action against the CAISO. Any recipient's decisions or actions that
may be based in any way whatsoever on the contents of this CAISO notice shall be
the sole responsibility of the recipient.
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NOTICE: 201201991 POSTED: 2012-02-29 18:59:00
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Southern CA Region Restricted Maintenance Operations [201201991]

The California ISO is declaring Southern CA Region RESTRICTED MAINTENANCE OPERATION for the period
from 03/01/2012 00:01 through 03/31/2012 23:59.

Reason:
Restricted Maintenance Operations in effect ONLY for the ||San Diego area of the Southern California region. This ||declaration is due to the loss of generation resources. ||NOTE that this notice is in effect through 03/31/2012 ||23:59 and may be cancelled at any time should system ||conditions warrant.

Restricted Maintenance Operations, as detailed in ISO Operating Procedure
4220, will be in effect.

Market Participants are cautioned to avoid actions, which may
jeopardize generator and/or transmission availability.



Notice issued at: 02/29/2012 18:59

---------------------------------- DISCLAIMER --------------------------------------
This CAISO notice is based on the current conditions of the transmission grid system.
While this CAISO notice reflects the most current information available to the CAISO,
because transmission grid system conditions are subject to sudden and rapid change
without warning, the accuracy of this notice cannot be assured. This CAISO notice
is provided solely for informational purposes. Reliance by any party on the contents
of this CAISO notice, regardless of any errors, omissions, inaccuracies, and/or
subsequent changed conditions shall not be made the basis for any claim, demand
or cause for action against the CAISO. Any recipient's decisions or actions that
may be based in any way whatsoever on the contents of this CAISO notice shall be
the sole responsibility of the recipient.
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END OF NOTICE LOG
 
System Status
System Status Log and History (Formerly Event Log)
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     History - Compilation of the California ISO Notices of firm load shedding detail by date, time and utlity.
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