Related by context. Frequent words. (Click for all words.) 60 emission allowances 54 carbon credits 52 AAUs 51 Renewable Energy Credits 50 EUAs 50 emit greenhouse gases 49 certified emission reductions 49 carbon dioxide emission 49 emit CO2 48 Vattenfall AB 48 Renewable Energy Certificates RECs 47 greenhouse gas emission 47 Renewable Energy Certificates 46 carbon emission 46 ERUs 46 Carbon Credits 46 emit carbon dioxide 46 CERs 46 E.ON AG 45 utility PacifiCorp 45 Emissions Reduction 45 RGGI 45 SRECs 45 utility E.ON AG 45 CO2 emission 45 VERs 44 emission 44 ČEZ 44 utility CEZ 44 EDP Energias de 44 carbon emission reductions 44 NAPs 43 emissions 43 emission reduction 43 greenhouse emission 42 Enel SpA 42 Regional Greenhouse Gas 42 Emissions Trading Scheme ETS 42 E.On AG 42 carbon dioxide emissions 42 renewable energy 42 Initiative RGGI 42 Inter RAO UES 42 Eesti Energia 41 electric utilities 41 emission reductions 41 Emissions 41 Centrica Plc 41 Vattenfall 41 RWE 41 #/MWh [002] 41 PSC approves 41 E.ON 41 sulfur dioxide SO2 41 greenhouse gas 41 greenhouse gas emission reductions 41 MEAG 40 carbon emissions 40 utility Santee Cooper 40 sub bituminous coal 40 sulfur dioxide nitrogen oxides 40 allowances 40 greenhouse gas GHG 40 CEZ 40 utilities 40 Energa 40 Fortum 40 Biomass Crop Assistance Program 40 carbon offsets 40 funds 40 Carbon Offsets 40 greenhouse gases GHG 40 greenhouse gas emissions 40 Wholesale Electricity 40 sulfur dioxide nitrogen oxide 40 offsets 40 E.On 39 EU Emissions Trading 39 heat trapping carbon emissions 39 Traxys 39 SO2 emissions 39 TRUenergy 39 Carbon Offset 39 credits RECs 39 Inter RAO 39 Emission Reduction 39 efficient lightbulbs 39 renewable energies 39 Nord Pool 39 OGK 39 Sorgenia 39 Clean Development Mechanism 39 RTB Bor 39 China Guodian 39 polluters 39 EU ETS 39 gigawatt hours 39 greenhouse gases 39 EEX 39 ENEL 38 Electrabel