- How much electricity does an incandescent light bulb use? -

An incandescent light bulb, also called incandescent lamp or incandescent light globe, emits light by heating up a filament wire until it glows. 

Producing light by heating a filament it is not efficient so 95% of the power consumed by an incandescent lamp it is converted into heat. This means that only a 5% of the supplied electricity it is converted into light.

This type of bulb is rather inefficient and this means that the incandescent light bulb electricity usage is higher when compared to CFL or LED light bulbs.

Energy efficient bulbs

Under the same conditions, and when compared to a LED light bulb, a CFL light bulb will be using around 75% more electricity and an incandescent bulb will be using around 625% more electricity.

The table below show the power consumption of equivalent light bulbs. And by using the calculator we have provided on the next section, anyone should be able to estimate the electricity cost of running any bulb of any wattage.

Bulb lumens table

Additionally, this other table also provides valuable information than anyone should consider when deciding what light bulb type to purchase.

Bulb efficiency table

Electricity usage and cost calculator

The calculator below can be used to estimate the power and cost consumption of an incandescent light bulbs over time. 

You just need to adjust the values in the PARAMETERS section to your requirements and the calculator will automatically display the RESULTS section.

 

A few other examples from our ‘Electricity usage calculators‘ page that may be of your interest:

Fridge electricity usage calculator
Refrigerator
Freezer electricity usage calculator
Freezer
Dishwasher electricity usage calculator
Dishwasher
Coffee machine electricity usage calculator
Coffee machine

Additional information

Not everybody it is familiar with terms like Watts, Kilowatts or Kilowatt hours so if you would like to learn more about them, have a look to this video that we have prepared for you.

All our videos can be found in YouTube, in both English and Spanish languages.

Also, please note that not only the electricity consumption must be taken in consideration when deciding what type of bulbs to install at home. Other factors like the bulb cost and the bulb lifespan must be taken in consideration.

The table below we are making a comparison between an incandescent 60 Watts bulbs and the equivalent CFL and LED bulbs. The purpose of the table is to give you a rough idea on the total cost over a 10 years period for the three types of bulbs.

If you are looking for saving electricity at home, have a look to this video where we provide some useful tips to reduce the electricity consumption and decrease the electricity bill.

Electricity conservation - Save and conserve energy

Energy conservation can be defined as the decision and the act of using less energy

Energy conservation both benefit you and the environment

The act of saving and conserving electricity does benefit you because you will be paying less on your energy bills. 

And it also does benefit the environment because conserving electricity prevents any unnecessary waste of natural resources.

Now, at individual level it may not look worth to try to save a few watts here or there. 

Still, every little counts and if hundreds or thousands of us do save a little every time, it will make an important contribution towards conserving our natural resources.

 

For example, if 9000 households would manage to save as little as 10 Watts per hour (0,01 kWh) worth of electricity per day, that would add to 32850 Kilowatt hour (kWh) per year. 

That is a considerable amount of electricity, but let’s add additional perspectives for clarity:

  • Assuming an average cost of 0,18 euro (or dollars, or pounds, or any other currency) we would collectively be saving nearly 6000 euro per year.
  •  To produce 32850 kWh of electricity it is necessary to use around 17 metric tons of coal or 56 barrels of residual fuel oil.
Have a look to this page for more information about the amount of resources needed to produce electricity.
 

In any case it is clear that small energy savings do really count when looking into the bigger picture.

We hope that you have found the information on this page informative and of value. 

If so, please consider to share or subscribe to our newsletter.

We dedicate a considerable amount of time and effort to create content and your support and engagement will encourage us to keep moving forward.

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Effiworkx blog

For more useful energy and water saving information and advice, have a look to our blog.

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