Related by context. Frequent words. (Click for all words.) 59 Generating Station 57 Widows Creek 54 sulfur dioxide emissions 53 coal fired 52 scrubber 52 Allegheny Energy 52 scrubbers 50 Edwardsport 50 coke ovens 49 Brayton Point 49 combustion turbine 49 Iatan 48 Vogtle 48 sulfur dioxide 48 Monongahela 48 compressor stations 48 desulfurization 47 nitrogen oxide emissions 47 SunCoke 47 Power Plant 47 AEP 47 Conectiv 46 Consol Energy 46 combustion turbines 46 Allegheny 46 smokestack 46 Steam Plant 46 Duquesne Light 46 Kleen Energy 46 coke oven 46 flue gas 45 Taum Sauk 45 cooling towers 45 flue gases 45 Monongahela River 45 smokestacks 45 Hunterston 45 CONSOL 44 selective catalytic reduction 44 hydroelectric generating 44 Calvert Cliffs 44 Exelon Generation 44 IGCC 44 PSEG Power 44 Longannet 44 coal ash 44 fly ash 43 Peach Bottom 43 megawatt 43 Cliffside 43 smokestack emissions 43 kilovolt transmission line 43 turbines 43 Ambient Air 43 nitrogen oxide 43 Plant Vogtle 43 Stephentown 43 dissolved solids 42 FirstEnergy 42 FirstEnergy Corp. 42 Conectiv Energy 42 longwall mining 42 VELCO 42 ash ponds 42 Youghiogheny River 42 SO2 42 contaminated groundwater 42 uprate 42 Conemaugh 42 Kingston Fossil Plant 42 Equitable Gas 42 AmerGen 42 RRI Energy 41 DEP 41 refueling outage 41 PSEG Nuclear 41 pulverized coal 41 APCo 41 coal gasification 41 sewage treatment 41 Weirton W.Va. 41 boilers 41 Cinergy 41 Niagara Mohawk 41 nonattainment 41 SWEPCO 41 nitrous oxides 41 valley fills 41 Penelec 40 turbine generators 40 mountaintop removal mining 40 Davis Besse 40 Exelon Nuclear 40 Potomac Edison 40 Browns Ferry 40 TVA 40 switchyard 40 Power Generating 40 kilovolts 40 nitrogen oxides NOx 40 PennEnvironment