Subject: caiso notice : operating procedure s - 315 emergency overload
mitigation procedure for stability rated paths
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 : s - 315 emergency overload mitigation
procedure for stability rated paths
version : 2 . 2
effective date : 8 - 1 - 2001
procedure purpose : the purpose of this procedure is to reduce flows on iso
managed interconnections within twenty minutes as required by wscc mandatory
reliability criteria , through coordinated operational measures with adjacent
interconnected control areas . such measures may include , transferring flow
to other facilities , generation changes , and schedule adjustments .
summary of changes : the wscc stability limit changed from 10 to 20 minutes .
* 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
crcommunications
client relations communications
california iso