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energy-management × 23energy × 9
energy-efficiency × 9
electricity × 6
energy-use × 5
electricity-generation × 4
solar-power × 2
home × 2
heating × 2
cooling × 2
energy-storage × 2
environmental-impact × 1
carbon-footprint × 1
batteries × 1
ecological-footprint × 1
photovoltaics × 1
fuel-efficiency × 1
electric-vehicles × 1
city-living × 1
light × 1
waste-minimisation × 1
construction × 1
natural-gas × 1
oil × 1
building-physics × 1