Energy Saving Lighting Electricity Cost Calculator
Simply changing your bulbs to energy savers could have a dramatic effect on your electricity bills over a year. Our comparison table below compares the running cost of a conventional bulb to an energy saver. Multiply this by the number of lights in your home and work and you can see how it adds up! And you don’t have the chore of changing bulbs so often.
Comparison of standard and energy saving light bulbs
| Bulb Type | Power | Cost /day* | Cost /Year | Saving |
|---|---|---|---|---|
| Standard | 40W | 3.53p | £12.90 | |
| Energy Saving | 8W | 0.71p | £2.58 | 80.0% |
| Standard | 60W | 5.30p | £19.35 | |
| Energy Saving | 11W | 0.97p | £3.55 | 81.7% |
| Standard | 75W | 6.63p | £24.18 | |
| Energy Saving | 15W | 1.33p | £4.84 | 80.0% |
| Standard | 100W | 8.83p | £32.24 | |
| Energy Saving | 18W | 1.59p | £5.80 | 82.0% |
*based on 4.5 hrs a day at the Average rate of 19.63p/kWh (June 2021 tariff) for a unit of electricity.
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