Related by context. Frequent words. (Click for all words.) 61 NorthWestern Energy 58 Avista Corp. 57 Avista 57 Otter Tail Power 57 Atmos Energy 57 NW Natural 56 NorthWestern 56 Xcel Energy 55 PPL Montana 55 NIPSCO 55 MidAmerican Energy 54 Appalachian Power 54 EWEB 54 Puget Sound Energy 53 PacifiCorp 53 Ameren 53 AmerenUE 53 Piedmont Natural Gas 52 Questar 52 NYSEG 52 Delmarva Power 52 NPPD 51 MDU Resources Group 51 PPL Electric Utilities 51 Entergy Arkansas 50 Atmos 50 HECO 49 Commonwealth Edison 49 Bonneville Power Administration 49 PUD 49 BGE 48 Vectren 48 MDU Resources 48 Hawaiian Electric 48 utility 48 SMUD 48 CenterPoint 48 Xcel 48 ComEd 48 MidAmerican 48 Public Utility 47 PSNH 47 Ameren Illinois 47 CenterPoint Energy 47 Progress Energy 47 United Illuminating 47 PGE 47 SWEPCO 46 Enstar 46 Alliant Energy 46 Duquesne Light 46 natural gas 46 Allied Waste 46 Oneok 46 PNM Resources 46 electric utilities 45 MidAmerican Energy Holdings 45 AEP 45 Plum Creek Timber 45 Puget Energy 45 Idaho 45 SCANA 45 Suddenlink 45 Cleco 45 LCRA 45 Entergy 45 CVPS 45 SDG & 45 Electric Cooperative 44 Rural Metro 44 Electric Membership 44 Unitil 44 KUB 44 TXU 44 utilities 44 Public Utilities Commission 44 Boise Cascade 44 KCP & 44 TransAlta 44 Utility 43 MarkWest 43 PPL 43 Aquarion 43 CNX Gas 43 Chugach 43 Calpine 43 Electric 43 REMC 43 Utilities 43 Itron 43 Penelec 43 PUC 43 FPL 43 Electric Power 43 Gas 43 Natural Gas 43 therms 43 per therm 43 WSDOT 43 BNSF 43 Invenergy