$DUK SEC Filings

Filing Filed On
424B3 10 Apr 2013
424B3 26 Mar 2013
424B3 19 Mar 2013
424B3 11 Mar 2013
424B3 04 Mar 2013
424B3 03 Jan 2013
424B3 11 Dec 2012
424B3 03 Dec 2012
424B3 14 Nov 2012
424B3 30 Jul 2012
PROSPECTUS SUPPLEMENT 13 Feb 2012
PROSPECTUS SUPPLEMENT 03 Feb 2012
PRICING SUPPLEMENT 04 Apr 2011
424B3 02 Feb 2006