Energy efficient lighting

Energy savings calculator

You can save money on your energy bills and reduce your greenhouse gas emissions by replacing standard globes and halogen downlights with energy efficient CFLs. Find out more about energy efficient lighting

Assumptions
	Electricity price		cents per kiloWatt hour
	Greenhouse gas emission factor		kg CO2 per kiloWatt hour (Enter 0 if you buy 100% GreenPower)
Replacing standard light bulbs with CFLs
Standard Bulb Watts	Number of bulbs	Hours used per day	Electricity Cost$/year	Equivalent CFL Watts	Electricity Cost$/year	Annual saving $
Replacing halogen downlights with CFL downlights *
Halogen downlights Watts	Number of bulbs	Hours used per day	Electricity Cost $/year **	Equivalent CFL Watts	Electricity Cost$/year	Annual saving $
Total annual savings
Every year you will save					in electricity costs
Every year you will save					kg greenhouse gas*

* Note: To change halogen downlights to cater for compact fluorescent downlights will require a licensed electrician.
** Includes 15W transformer

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