LED retrofit energy savings & payback calculator

Existing lights Number of fixtures Existing lamp type Lamp wattage (W) Ballast / gear loss (%) Relamping & maintenance (per fixture per year)

LED replacement LED wattage (W) LED fixture cost (each) Installation cost (each) LED maintenance (per fixture per year)

Operation Operating hours per day Operating days per year Electricity price (per kWh) Currency Grid emission factor (kg CO2 per kWh)

Result

How this was calculated

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Free tool by BlueGreen OE — street, solar and industrial LED lighting manufacturer. More tools