Apologize if this has been posted before (not having read every thread of every sub-forum).
Link to this came to me today.
The article at the link is worth a read, and there is a link to the actual report (basic email type info to allow a guest download from the academic site once there).
Go here:
http://www.shtfplan.com/headline-news/the-classified-report-dhs-doesnt-want-you-to-see-the-electric-power-delivery-system-could-be-severely-damaged-by-a-small-number-of-well-informed-attackers_11152012
and follow the bread crumbs.
:)