On Fri, 30 March 2001, "Henry R. Linneweh" wrote:

This will happen if the ISO gives ample warning, it has already been determined that 10 minutes would not fall within that category, so its a good decision but has its drawbacks.

The California Office of Emergency Services now includes CAL-ISO power alerts in its radio EDIS service. (http://edis.oes.ca.gov/) Several software programers have developed various programs which constantly poll the CAISO web site, and will make noises and flashes your PC screen when alerts are issued.