How much energy does it take to run a 100 watt incandescent for one year?
714 pounds of coal
143 pounds of natural gas
2 hours, 20 min of wind turbine *
8 days, 18 hours of solar panel **
Using a CF (curly bulb) or a LED would take only 1/4 as much.
* 1.5 MW turbine, a big one, most big ones under 3 years old are now 2 or 2.2 MW.
** 1 square meter PV panel.
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