Related by context. Frequent words. (Click for all words.) 57 NorthWestern Energy 57 Questar 56 Atmos Energy 55 Xcel Energy 55 Atmos 54 CenterPoint 54 per therm 53 CenterPoint Energy 53 natural gas 53 NorthWestern 53 NIPSCO 53 NW Natural 51 NYSEG 51 PPL Montana 51 Vectren 51 Entergy Arkansas 51 Xcel 50 PPL Electric Utilities 50 MidAmerican Energy 49 PacifiCorp 49 SWEPCO 49 PUC 49 Ameren 49 Enstar 49 Nicor 49 Terasen 49 NPPD 48 utility 48 TransCanada 48 MidAmerican 48 Avista 47 Delmarva Power 47 Suddenlink 47 Kinder Morgan 47 Otter Tail Power 47 Tenaska 46 KCP & 46 MarkWest 46 Public Utilities Commission 46 Utility Regulatory Commission 46 Natural Gas 46 Utility 46 ComEd 46 Avista Corp. 46 TXU 46 PNM Resources 45 Spectra Energy 45 Oncor 45 PSC 45 Terasen Gas 45 IURC 45 AmerenUE 45 ERCOT 45 Alliant Energy 45 Gas 45 PUD 45 Westar 44 UGI 44 ONEOK 44 electric utilities 44 SAWS 44 MDU Resources Group 44 DPUC 44 PGE 44 Entergy 44 PUCO 44 PrimeWest 44 Ameren Illinois 44 Piedmont Natural Gas 43 Public Utility 43 Utilities 43 MDU 43 NiSource 43 therms 43 Cimarex 43 propane 43 EWEB 43 EnCana 43 MDU Resources 42 FERC 42 Energy Regulatory Commission 42 Invenergy 42 Iberdrola Renewables 42 EUB 42 ConocoPhillips 42 Powder River Basin 42 AltaGas 42 Chesapeake Energy 42 Puget Sound Energy 42 gas 42 Penelec 42 PSNH 42 AEP 42 CNX Gas 42 Cinergy 42 LCRA 42 Itron 42 Aquarion 42 utilities 42 Aquila 41 coalbed methane