Related by context. Frequent words. (Click for all words.) 61 TXU Energy 60 TXU 58 Reliant 53 Constellation Energy 53 TXU Corp. 53 Dynegy 52 NRG Energy 52 ERCOT 50 Cinergy 50 Calpine 49 CenterPoint Energy 49 Oncor 48 Vectren 48 Allegheny Energy 48 Entergy 48 Progress Energy 47 NRG 47 Sempra Energy 47 FirstEnergy 46 AEP 45 Mirant 45 Nicor 45 Xcel Energy 45 DTE Energy 45 KeySpan 44 Enron 44 NextEra Energy 44 BGE 44 Exelon 44 LCRA 44 Westar Energy 44 CenterPoint 44 Comverge 43 Delmarva Power 43 NiSource 43 PECO 43 Cleco 43 FPL 42 E.ON 42 Ameren 42 Con Edison 41 LS Power 41 Atmos Energy 41 Men Wearhouse 41 Alliant Energy 41 SWEPCO 41 TEP 41 ComEd 41 Spectra Energy 41 NIPSCO 40 ONEOK 40 PSEG 40 Natural Gas 40 NYSEG 40 AmerenUE 40 PPL 40 Sempra 40 CITGO 40 Energy 39 Exelon Corp. 39 FPL Group 39 Avista 39 SCANA 39 SMUD 39 Northeast Utilities 39 MidAmerican Energy 39 ARAMARK 39 Dominion Resources 39 Electric Power 39 Westar 38 National Grid 38 Puget Sound Energy 38 Waste Management 38 Powergen 38 PJM 38 ScottishPower 38 natural gas 38 Public Utility 38 FERC 38 CVS Caremark 38 OfficeMax 38 npower 38 E.ON s 37 HEB 37 utility 37 Kinder Morgan 37 FirstEnergy Corp. 37 TransAlta 37 E.On 37 Allied Waste 37 Houston 37 CONSOL Energy 37 Independent System Operator 37 Midstream 37 SDG & 37 Consolidated Edison 37 Centrica 37 Covanta 37 AGL 37 Coca Cola Enterprises 37 EnerNOC