Subject: caiso notification : operations procedure t - 152 - posting for
affected party review
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 - 152 huntington beach power plants 1 - 4
split bus operation
version : 1 . 0
effective date : 8 - 16 - 2001
procedure purpose : the previously inactive huntington beach units 3 and 4
have been re - powered and are scheduled to be in service august 2001 . the
existing units 1 , 2 and 5 presently provide 563 mw of power . the added
re - powered units , rated 220 mw each , achieve a total plant capacity of 1003
mw . if all units , including units 3 and 4 , are concurrently on - line ,
additional stress will be placed on the 230 kv circuit breakers ( cbs ) at
huntington beach , hinson , and villa park substations , thereby exceeding
their rated interrupting capability . this procedure will provide guidelines
for operation of the huntington beach 230 kv buses in order to reduce short
circuit duty contribution from the huntington beach units .
changes / reasons : see attached
>
* please find them at
http : / / wwwl . 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