Wanted to make sure you saw this as it has some good info in it.
http://www.caiso.com/docs/09003a6080/0c/af/09003a60800cafce.pdf

Take care.

Keoni Almeida
California Independent System Operator
phone: 916/608-7053
pager:  916/814-7352
alpha page:  9169812000.1151268@pagenet.net
e-mail:  <mailto:kalmeida@caiso.com>