Spark ignition engine 20- 25
Compression ignitionengine 30 -45
Electric motor 80-95
Electric generator 80-95
Steam turbine 7-40(Inclusive of boiler)
Hydro turbine 70-99
Battery 80-90
Solar cell 8 – 15
Water Pump Mechanical Potential 40-60
Countries the world over have tried to promote efficient use of energy through labelling programmes. Energy Efficiency Labelling is display of a label on a product depicting data in a standard format regarding energy use and a predefined energy efficiency measure for enabling comparison with the energy efficiency of similar products. Energy efficiency label provides relevant energy-use information to the purchaser for making an informed purchase decision. It seems to be an effective way to impart knowledge to the consumer regarding efficiency and life cycle costs. The basis of acceptance of an energy efficient product is that its life time cost is less and hence it makes sense to the consumers.A graded multi-level efficiency band similar to the one to five star rating of appliances has been used by many countries.
Electric generator 80-95
Steam turbine 7-40(Inclusive of boiler)
Hydro turbine 70-99
Battery 80-90
Solar cell 8 – 15
Water Pump Mechanical Potential 40-60
Countries the world over have tried to promote efficient use of energy through labelling programmes. Energy Efficiency Labelling is display of a label on a product depicting data in a standard format regarding energy use and a predefined energy efficiency measure for enabling comparison with the energy efficiency of similar products. Energy efficiency label provides relevant energy-use information to the purchaser for making an informed purchase decision. It seems to be an effective way to impart knowledge to the consumer regarding efficiency and life cycle costs. The basis of acceptance of an energy efficient product is that its life time cost is less and hence it makes sense to the consumers.A graded multi-level efficiency band similar to the one to five star rating of appliances has been used by many countries.
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