Related by context. Frequent words. (Click for all words.) 59 Dominion 53 Constellation Energy 52 NRG Energy 51 Progress Energy 50 Entergy 50 Emera 50 Allegheny Energy 50 Mirant 49 Piedmont Natural Gas 49 Exelon Corp. 49 Consolidated Edison 49 Dynegy 49 ConocoPhillips COP 48 FPL Group 48 Consol Energy 48 Entergy Nuclear 47 AGL Resources 47 AEP 47 ConocoPhillips 47 SCANA 47 TXU Corp. 47 Spectra Energy 47 Exelon 47 TXU 46 Alpha Natural Resources 46 Chesapeake Energy 46 FirstEnergy Corp. 46 CNX Gas 45 Enbridge 45 NiSource 45 PPL 45 ONEOK 45 Energen 45 Chevron Corp. 45 KeySpan 45 Verizon Communications 44 Anadarko Petroleum Corp. 44 Northeast Utilities 44 NextEra Energy 44 natural gas 44 Cinergy 44 Resource Partners LP 44 Altria Group 43 TransAlta 43 E.ON AG 43 Natural Gas 43 PPL Electric Utilities 43 Marathon Oil 43 Delmarva Power 43 TransCanada Corp. 43 Pepco Holdings Inc. 43 RWE AG 43 Valero Energy 43 UGI 43 Smithfield Foods Inc. 43 Kinder Morgan 43 Quicksilver Resources 43 Pioneer Natural Resources 43 electric utilities 43 Exxon Mobil Corp. 42 Calpine 42 Chesapeake 42 Massey Energy 42 National Grid 42 Avista Corp. 42 Peabody Energy 42 PNM Resources 42 PGN 42 E.On 42 Premcor 42 Electricite de France 42 PSEG 42 CenterPoint 42 Talisman Energy Inc. 42 EdF 41 BP PLC BP 41 CenterPoint Energy 41 Arch Coal 41 NorthWestern 41 Xcel Energy 41 Quanta Services 41 XTO Energy Inc. 41 Exxon Mobil 41 Vectren 41 FPL 41 Iberdrola 41 Suncor Energy 41 Anadarko Petroleum 41 Smithfield Foods 41 E.ON 41 TransCanada 41 XTO Energy 41 TECO Energy 40 Diamond Offshore Drilling 40 DTE Energy 40 Products Partners LP 40 American Superconductor 40 Ameren 40 ChevronTexaco Corp. 40 Nexen 40 Tidewater