Air pollution from eight utilities targeted in federal lawsuits during the Clinton administration causes an estimated 5,900 deaths a year...American Electric Power Co. was identified in the report as the company responsible for the most deaths at 1,400 annually. It was followed by Southern Co. at 1,200 and the Tennessee Valley Authority at 780 [other companies mentioned: FirstEnergy Corp., Duke Energy Corp., Vectren Corp.'s Southern Indiana Gas & Electric Co, Dynegy Inc.'s Illinois Power, Cinergy Corp.]