U.S. Department of Energy (DOE) published a report that shows amount of energy saved in 2010 from conversion to LED-based light source is 3.9 TWh of electricity.

The U.S. DOE report only covers twelve product types from three general categories: general illumination, outdoor lighting and consumer electronics displays. The general categories and product types as stated in U.S. DOE report are: 1) General illumination (PAR, BR, R, MR16, A-type (A19) LED light bulbs and troffer fixtures); 2) Outdoor LED lighting for roadway, parking, area flood and residential; and 3) Consumer electronic LED displays for TVs, laptops, monitors and mobile headsets.

For general illumination, from switching to LED light bulbs and LED light fixtures in 2010 the electricity saved was 0.38 TWh. For outdoor lighting, conversion to LED lights saved 2.2 TWh in 2010 and for consumer electronics display the electricity saved is about 1.3 TWh.

Just to show how much is 3.9 TWh electricity:
In U.S. there are 104 nuclear reactors that produce 799 TWh electricity total (as of 2009). 3.9 TWh electricity saving is equivalent to removing 1/2 of a nuclear reactor.

U.S. DOE also estimated that if all the general illumination, outdoor lighting and consumer electronic displays were converted to LED-based light, the savings would be 295 TWh per year, which would be equivalent to removing about 38 nuclear reactors.

Let's do our part in being Green and start using LED light bulbs.

More information about Green Supply LED light bulbs: http://www.agreensupply.com/LED-Light-Bulbs/