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LED Lighting Calculator

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Electricity cost per kw/h


Lighting Hourly Usage Per Day


Qty of lamps



Existing Lamp

Biard LED Lamp

Wattage of Lamp


Lifetime of Lamp in hrs


Cost of lamp***


Burning hours per annum*

Lamp cost over 6 year period

Lamp cost per annum

Energy cost per annum

Co2 emissions kg per year**

Co2 savings per annum


Energy saving per annum

Saving on lamp spend per annum

Overall saving per annum

Payback periods in months



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