Shares of some top utilities companies are down at noon:
AEP fell $.39 or 1.0 percent, to $37.70.
ConEd fell $.91 or 2.2 percent, to $40.25.
Duke Energy fell $.11 or .6 percent, to $17.18.
Pepco Holdings fell $.73 or 3.0 percent, to $23.41.
Southern Co fell $.22 or .6 percent, to $37.08.