Energy saving wattages
Chart of energy saving equivalent wattages
Energy saving lamps used to be an ugly and much larger than normal bulbs, this isn't the case anymore.
Energy saving lamps can save you money for a small investment, they run cooler, they look the same and last longer.
this is a list of equivalent wattages compared to normal light bulbs
- 18W energy lamp = 100W normal light bulb
- 15W energy lamp = 75W normal light bulb
- 11W energy lamp = 60W normal light bulb
- 9W energy lamp = 40W+ normal light bulb
- 7W energy lamp = 40W normal light bulb
- 5W energy lamp = 25W normal light bulb
An example of a yearly saving by swapping a 100W lamp to 18W energy saving lamp.
WATTAGE | 100W normal lamp | 18W energy saving |
Hours Per Day | 8 hours | 8Hours |
Kilowatt Per Hour KWH | 0.80 KWH | 0.14 KWH |
Price per KW | £ 0.10 | £ 0.10 |
Cost per day | £ 0.08 | £ 0.014 |
Cost per year | £ 29.20 | £5.11 |
saving per year = £ 24.09
calculations = KWH = ( W * H ) / 1000
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