Related by context. Frequent words. (Click for all words.) 66 tidal turbines 60 tidal turbine 58 hydrokinetic 58 offshore wind turbine 56 offshore wind turbines 55 tidal 54 SeaGen 53 vertical axis wind turbine 53 hydroelectric turbines 52 Severn estuary 52 turbines 52 kilowatt turbine 52 photovoltaic arrays 51 turbine generators 51 Aquamarine Power 50 megawatt turbine 50 geoexchange 50 biodigester 50 desalinate water 50 turbine 50 PowerBuoy 50 Pelamis 49 kilowatt wind turbine 49 megawatt wind turbine 49 wind turbine generator 48 offshore windfarm 48 desalinization 48 wind turbines 48 Voith Hydro 48 wind turbine 48 Severn Estuary 48 #GW [002] 48 meteorological tower 48 Marine Current Turbines 48 Integrated Gasification Combined Cycle 48 plasma gasification 48 microgrids 48 microturbines 48 EMEC 47 electrolyzer 47 Wave Hub 47 anaerobic digesters 47 Photovoltaic PV 47 thermoelectric materials 47 #.#MW [005] 47 CO2 sequestration 47 wind turbine generators 47 offshore wind 47 VAWT 46 Ze gen 46 3MW 46 groundwater extraction 46 ocean outfall 46 ultrapure water 46 Severn Barrage 46 1MW 46 porous silicon 46 MW wind turbine 46 2MW 46 nanogenerators 45 wind farms 45 Pentland Firth 45 desalination plants 45 methane digester 45 hydro electric 45 waterpower 45 OpenHydro 45 5kW 45 Thermoelectric 45 optical biosensors 45 ultraviolet disinfection 45 regasification terminals 45 algae biofuels 45 supergrid 45 spintronic 45 1kW 45 tidal currents 45 GreenFuel 45 Excelerate Energy 45 micro hydro 45 megawatt turbines 45 Concentrating Solar Power 44 membrane filtration 44 monopoles 44 hydropower 44 renewable energy 44 solar photovoltaic cells 44 #.#MW [002] 44 thermo electric 44 OTEC 44 fishway 44 seawater desalination 44 outfalls 44 biomass geothermal 44 VRB ESS 44 artificial photosynthesis 44 offshore windfarms 44 #KW [003] 44 photo voltaic 44 interconnectors 44 desalination plant