Related by context. Frequent words. (Click for all words.) 44 Energy 39 Minerals 33 Resources 32 Exploration 32 Mineral Resources 32 Energy NYSE DUK 31 Renewables 30 ENERGY 30 Oil 29 Hydrocarbon 28 Mining 28 Geothermal 28 Alternative Energy 27 Power Generation 27 Energy DOE 27 natural gas 27 Renewable Energy 27 Renewable 26 Petroleum 26 Cogeneration 26 Energy DoE 26 Fuels 26 shale gas 26 Biogas 25 Renewable Power 25 Renewable Fuels 25 Natural Resources 25 Hydrocarbons 25 Gas 25 Natural Resource 24 renewables 24 natgas 23 energy 23 Energy Agency 23 geothermal 23 Environment 23 renewable energy 23 E.ON 23 Biomass 23 Hydro 23 Natural Gas 23 Solar Thermal 23 megawatts 22 Renewable Energy Laboratory NREL 22 Clean Energy 21 Geothermal Energy 21 Abengoa 21 KEMA 21 Natural Gas Pipeline 20 gas 20 Climate Change 20 megawatt 20 Renewable energy 20 Biofuels 20 Utilities 20 Power Efficiency 20 Hydropower 20 PNM Resources 20 Clean Coal 20 Electricity 19 renewable 19 DOE 19 Alternative Fuels 19 China Huaneng 19 Environmental 19 Commerce 19 petroleum 19 baseload 19 Ethanol 19 EPRI 19 Energies 19 Biofuel 19 Fuel 19 Energy Saving 19 Wind Energy 18 Energy Efficiency 18 Bioenergy 18 electricity 18 kilowatt hours 17 Nuclear 17 kilowatt hour 17 coal gasification 17 Energy Regulatory Commission 16 Power 16 Smart Grid 16 Propane 15 NREL 15 Coal 15 coal fired 14 Hydrogen 14 Utility 13 Weatherization 13 Solar 13 coal 13 electric utilities 13 Biodiesel 13 coal gasification plant 13 Telecom 12 Electric Power 12 Public Utility 11 Electric Utility