United States Department of Energy | International Atomic Energy Agency | Leadership in Energy and Environmental Design | Department of Energy | United States Atomic Energy Commission | renewable energy | energy | International Energy Agency | Valero Energy Corporation | United States House Committee on Energy and Commerce | solar energy | Energy | Efficient energy use | Origin Energy | EDF Energy | Nuclear Energy Agency | German nuclear energy project | Federal Energy Regulatory Commission | dark energy | Pakistan Atomic Energy Commission | Energy Star | Devon Energy | Constellation Energy | Westar Energy | Progress Energy Inc | Monster Energy | International Solar Energy Society | geothermal energy | Barako Bull Energy Boosters (2000-2011) | Atomic Energy Research Establishment |
Since the onset of Texas electricity deregulation in 2002, the regional ex-utility companies active in the Texas power market -- i.e., TXU Energy in north Texas, Reliant Energy in southeast Texas and Direct Energy in coastal and west Texas—continue to retain roughly 60% of their pre-deregulation former monopoly residential bases.