| Comparisons of cost when using 65w (325w)Energy Saving light bulb instead of 3 x 100W Incandescent bulb | |||||||||||
| Type of Bulb | period in hours | cost of bulb | No. of bulbs used in 8000 hours | Overall cost of bulbs | Kw consumed in 8000 hours | approx cost/kw | running costs over 8000 hours | total cost (bulb and running costs) | if average of 6 hours use/day, 8000 hours equals: (years): | running cost/year | |
| 100w x 3 incandesent | 8000 | £ 0.70 | 24 | £16.80 | 2400 | £0.08 | £192.00 | £208.80 | 3.65 | 57.16 | |
| 65w Energy Saving bulb | 8000 | £11.25 | 1 | £11.25 | 520 | £0.08 | £41.60 | £52.85 | 3.65 | 14.48 | |
| SAVING | 42.68 | ||||||||||
| Press the back button to return to the item description | 12 hour/day for business | ||||||||||
| 1.83 | 114.32 | ||||||||||
| Imagine fitting 10 of these bulbs, the saving could be over £420/year | 1.83 | 28.88 | |||||||||
| SAVING | 85.44 | ||||||||||
| 4 hours/day | |||||||||||
| 5.48 | 38.11 | ||||||||||
| 5.48 | 9.64 | ||||||||||
| SAVING | 28.47 | ||||||||||
| 2 hours/day | |||||||||||
| 10.96 | 19.05 | ||||||||||
| 10.96 | 4.82 | ||||||||||
| SAVING | 14.23 | ||||||||||