SimilarityRank
energy-efficient 0.879 24948
energy-efficiency 0.869 70696
high-efficiency 0.831 53165
photovoltaic 0.759 22415
environment-friendly 0.758 74445
retrofits 0.758 61075
low-carbon 0.755 41607
daylighting 0.749 93864
LED 0.742 5610
photovoltaics 0.739 66103
cogeneration 0.731 76666
environmentally-friendly 0.729 47015
efficiency 0.724 2593
retrofit 0.721 30084
ballasts 0.718 76137
retrofitting 0.714 52217
low-voltage 0.711 82876
renewable 0.710 6153
photoelectric 0.702 95795
luminaires 0.701 80412
light-emitting 0.701 81527
CFLs 0.698 56707
solar 0.693 2460
gas-fired 0.691 70372
Photovoltaic 0.690 65567