The advanced technology of LED bulbs means that they save a high amount of electricity, nevertheless, their price is quite astronomical! The other benefit is the especially long life so all in all are they worth investing in? I normally suggest that a good method to measure the financial cost- benefit is to look at the comprehensive lifetime costs of
http://www.saving-light-bulbs.co.uk/and contrast this against the equivalent for long-established light bulbs.
Total cost of ownership comparison.
This calculation involves working out the lifetime energy costs for the LED bulb and adding these to the purchase cost. Then you then work out the energy costs for the everyday light bulb over the equivalent period of time and add on the price of 30 general light bulbs as the LED bulbs last 30 times longer.
LED Candle Light Bulb computation.
A cost of 15 pence for each kWhour of electricity consumed has been assumed for these calculations.
The cost of a 3 watt LED candle is approximately