Related by context. Frequent words. (Click for all words.) 45 Powergen 44 Dalkia 42 Biogas 41 Eaga 41 Solar Thermal 41 Calor 41 Warm Front 40 PFI 40 Novar 40 underfloor heating 40 RWE npower 40 Willmott Dixon 39 Ecotricity 39 microgeneration 39 IES 39 Centrica 38 IFS 38 Kingspan 38 Viridor 38 Renewables 38 ESCO 38 ScottishPower 38 Age Concern 37 Northumbrian Water 37 HgCapital 37 householders 37 Renewable Heat 36 Energy Saving 36 E.ON 36 RPS 36 Uniq 36 loft insulation 36 Londis 36 National Grid Transco 36 Novera 36 E.on 36 cavity wall 36 Homeserve 35 Topps Tiles 35 Serco 35 Biffa 35 Anglian Water 35 Mowlem 35 Thames Water 34 Morgan Sindall 34 npower 34 Uponor 34 Bodycote 34 airconditioners 34 Envirowise 34 Barclays Private Equity 34 Carillion 34 Carbon Trust 34 Wolseley 34 FITs 34 JLR 34 CFLs 34 Biomass 34 Xansa 34 Davenham 34 Capita 34 Crest Nicholson 34 5MW 34 tankless water 33 Converteam 33 Galliford Try 33 Renewable Energy 33 compact fluorescent lamps 33 Renewable 33 Somerfield 33 Airtricity 33 Reckitt 33 Meggitt 33 Ofgem 33 regulator Ofgem 33 Mitie 33 HVAC 33 CFL bulbs 32 Logica 32 SSE 32 Heating 32 GreenPower 32 Alfred McAlpine 32 Interserve 32 GMAC RFC 32 Air Conditioner 32 Britvic 32 heating 32 Škoda 32 Ruukki 32 Cleanaway 32 inverter 32 Saint Gobain 31 Energy Efficiency 31 Cinven 31 Balfour Beatty 31 2MW 31 solar installers 31 Invensys 31 smart metering 31 BS# [002]