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Running Cost Comparison Guide

Energy Saving Lamps are known to be much more expensive than their incadescent counterparts. In the long run however, the intial purchase cost is offset by their ability to offer a significantly longer operating life and noticeably lower running costs. It is estimated that a 10.5W LED GLS can save you around £100 over the lifetime of the LED lamp

Traditional

LED

• 25W
• 40W
• 60W
• 100W
• 150W

GLS

1,000hrs

• 6.5W = 40W
• 10.5W = 60W
• 13.5W = 75W

LED GLS

15,000hrs

Running Cost = £8.43 (60W)

Equivalent Cost = £1.48 (10.5W)

• 25W
• 40W
• 60W

Candle

1,000hrs

• 3.5W = 25W
• 6W = 40W

LED Candle

15,000hrs

Running Cost = £5.62 (40W)

Equivalent Cost £0.84 (6W)

• 25W
• 40W
• 60W

Rounds

1,000hrs

• 3.5W = 25W
• 6W = 40W

LED Rounds

15,000hrs

Running Cost = £5.62 (40W)

Equivalent Cost = £0.84 (6W)

• 25W
• 40W
• 60W
• 100W

Reflectors

1,000hrs

• 3.5W = 30W
• 4.5W = 40W
• 6.5W = 60W
• 12W = 100W

LED Reflectors

15,000hrs

Running Cost = £8.43 (60W)

Equivalent Cost = £0.91 (6.5W)

• 35W
• 150W

GU10

2,000hrs

• 3W = 35W
• 5W = 50W

LED GU10

30,000hrs

Running Cost = £7.03 (50W)

Equivalent Cost = £0.60 (5W)

• 35W
• 50W

MR16

5,000hrs

• 5W = 50W

LED MR16

30,000hrs

;

Running Cost = £7.03 (50W)

Equivalent Cost = £0.70 (5W)

• 15W
• 18W
• 30W
• 36W
• 58W
• 70w

T8

15,000hrs

• 9W = 18W
• 14W = 30W
• 22W = 36W
• 24W = 58W

LED T8

40,000hrs

Running Cost = £5.06 (36W)

Equivalent Cost = £3.09 (22W)

Average electricity price 14.05 pence/KWh estimation taken from Energy Saving Trust http://www.energysavingtrust.org.uk/content/our-calculations.
 

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