Energy and Costs Saving Calculators

How many fluorescent tubes do you have?			1200mm T8 Tube Lights: 1500mm T8 Tube Lights:
How many hours a day do you use your lights?			hours a day, days a week
Electricity cost:			$ kWh
Annual power cost rise:

	1200mm T8 Tube Lights			1500mm T8 Tube Lights
	ecoLED	Fluorescent	Savings	ecoLED	Fluorescent	Savings
Power	21 Watts	36 Watts		24 Watts	58 Watts
Ballast Power	no ballast required	12 Watts	27 Watts	no ballast required	12 Watts	46 Watts
Power used for 1 year in kWh
Power cost for 1 year, based on $ kWh
Grand Total Cumulative savings in Power (1200mm + 1500mm) by end of 10 year period
Average Cost savings per year (Grand Total Cumulative Savings / 10 Years)
Estimated period for Return on Investment