keeping the lights on….

How much energy is required to power a 100-watt light bulb for a year, if left on 24 hours a day? GOOD in conjunction with Column Five developed a very creative infographic that answers this question, whilst providing a comparative analysis of different sources of electric energy – coal, nuclear, natural gas, wind, solar and hydro. (click on image and zoom to increase legibility)

Infographic by

Certainly, you will think twice before leaving the lights ON when not in use after this alarming revelation! Leave a comment if you do or do not understand the math and we will be happy to explain further, as our understanding in cases as simple as this is most certainly required to ensure a sustainable energy future.


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