The company owns a power marketing subsidiary, Constellation Power . Company acquired Consolidated Natural Gas in 2000, and has bought power plants through its subsidiary, Dominion Energy . DQE is the holding company for Duquesne Light Co ., an electric utility in Pennsylvania. It also owns AquaSource , a water company. DTE Energy is the holding company for Detroit Edison .
Company also owns a power marketing subsidiary.
Merger with MCN Energy Group Inc, parent of Michigan Consolidated Gas Co is pending. Through subsidiaries, company is acquiring U.S. power plants and foreign utilities, and conducts a power marketing business. Dynegy Inc , an energy marketing and natural gas transportation company, is the holding company for Illinois Power . Prior to Dynegy s 2000 acquisition of Illinois Power, the utility was a subsidiary of Illinova Corporation . Company owns U.S. and foreign power plants through a non-regulated subsidiary, Edison Mission Energy , and owns a power marketing subsidiary.