The three-volume document is geared mainly toward cyber-security specialists. NIST repots that “Volume 1 contains mostly technical material for maintaining the security of the grid; Vol. 2 addresses privacy issues in smart grid compared to other networked systems; Vol. 3 contains analyses and references that support the document’s contents.
(..) The draft version of NISTIR 7628 Revision 1 is located at http://csrc.nist.gov/publications/PubsDrafts.html#NIST-IR-7628r1.Comments will be accepted until Dec. 24, 2013.