2 Watts.A very small amount of power. My TV uses more asleep. But that is all that is takes to illuminate the picture. No flash. Just 2 watts of LED illumination. My solar power watch sits beside the meter, charging off of the light.
For 100 years we have measured light output by what it took to make a tungsten filament glow. Most of it is wasted as heat. 100 watts, 250 watts. 500 for halogen. Only recently has there been a push to make lights more efficient. Packaging will say 27 watts w/100 watt equivalent in parentheses, still speaking in the language of glowing wires.
It would be better to discuss color temperature and lumens generated, like with video projectors. Then a customer can compare light output vs. power consumption and make a more informed decision.
To run my LED desk lamp is just about free. 1 watt to power the LED’s, 1 watt used in the power supply. Residential power is measured in kilowatt hours. Mine runs 11 cents. Using that metric, it is drawing .002 kw/hr. Or 500 hours to cost 11 cents. 500 hours is about 3 weeks, continuous. And the bulbs will last for a decade or two. Some would call that “green”.
My point about my LED lamp?
A lot of discussion in the last few months about America needing to become energy independent.
Read _Hot, Flat, & Crowded_ by Thomas Friedman and you’ll get it (I’ll write about it in a few days - it is very cool).
The desk lamp is made by Hampton Bay. It is made in China.
I bought it at my local Home Depot.
Making a difference in your energy usage at home is just steps away from where you bought the parts to fix the toilet.
-Mike M.
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