• Estimate how much your home/business lights cost to run.
• Compare the cost of using standard light fixtures to LED Light Fixtures (e.g. 75 watt Ordinary Bulb versus 13Watt LED Bulb).
• See the positive impact of using your LED Light Fixtures (e.g. using a 13Watt LED Bulb versus a 75 watt Ordinary Bulb)
• Cost calculations are based on a 61-day cycle, just like your Customer Supply Bill.
How to use it
1. Select the light source category from the dropdown menu in the middle.
2. Enter the number of bulbs you have?.
3. Enter the number of Hours switched on per week in the last box on the right.The maximum number of hours you can enter is 168. You can enter 1 decimal place to indicate a fraction of hours. e.g. if you use a light bulb for only 8 ½ hours in a week then you should enter 8.5
4. Finally Click the 'Calcuate' button. This will return a Cost calculation based on a two month cycle.
Hints
To start over again at any stage, just click the 'Clear Values'Button.
Unit price of electricity based on 2009 (Jan 1st.) rates of 18.61c per Unit (including VAT).
