Duke Energy Corporate Headquarters in a Charlotte, N.C. Duke Energy Corp. announced Monday, Jan. 10, 2011, that it is buying Progress Energy Inc. for more than $13 billion in stock in a deal that would create one of the nation's largest utilities.(AP Photo/Nell Redmond, File)
In this Aug. 13, 2010, photo, Duke Energy linesmen work on power lines in Charlotte, N.C. Output at the nation's factories, mines and utilities edged up 0.2 percent last month, the Federal Reserve reported Wednesday. It rose 0.6 percent in July. (AP Photo/Chuck Burton)
