Related by context. Frequent words. (Click for all words.) 57 Xcel Energy 54 TXU 52 Dynegy 52 Northeast Utilities 52 AEP 52 TransAlta 51 Calpine 50 TXU Corp. 50 FPL Group 50 AGL Resources 50 PNM 50 PacifiCorp 50 Sempra Energy 49 NiSource 49 ONEOK 49 Comverge 48 TEP 48 Westar Energy 48 Sempra 48 NRG Energy 48 Allegheny Energy 47 Ameren 47 CenterPoint Energy 47 SCANA 47 AmerenUE 47 Oncor 47 MidAmerican 46 Reliant Energy 46 Vectren 46 Mirant 46 Waste Connections 46 NorthWestern 46 Entergy 45 Exelon 45 Exelon Corp. 45 KCP & 45 MidAmerican Energy 45 Constellation Energy 45 NextEra Energy 45 FPL 45 Kinder Morgan 45 electric utilities 45 USEC 45 Nicor 45 NRG 44 Progress Energy 44 Electric Power 44 E.ON AG 44 CVPS 44 Asarco 44 Venoco 44 LCRA 44 ERCOT 43 SWEPCO 43 Avista 43 Arch Coal 43 Phelps Dodge 43 Alliant Energy 43 Xcel 43 PSEG 43 MasTec 43 FairPoint 43 PGE 43 Peabody Energy 43 Iberdrola 43 Gas Natural 42 Endesa 42 DPL 42 Western Refining 42 FirstEnergy 42 FirstEnergy Corp. 42 Public Utilities Commission 42 Atmos Energy 42 Westar 42 PPL Electric Utilities 42 LS Power 42 Coca Cola Enterprises 42 Dominion Resources 42 Qwest 42 Commonwealth Edison 42 EnerNOC 42 NPPD 42 Embarq 42 Energy 41 Spectra Energy 41 PUC 41 E.ON 41 NIPSCO 41 Emera 41 NSTAR 41 Windstream 41 SMUD 41 SunPower 41 Cinergy 41 Piedmont Natural Gas 41 SunPower Corp. 41 TXU Energy 41 Stericycle 41 Itron 40 JA Solar 40 El Paso