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Not So Kind: Weed Growers Suck Down 1 Percent of All U.S. Electricity

All those grow lights, it turns out, inhale enough juice to power 2 million American homes.


Weed-loving treehuggers, you are on notice. The cultivation of your beloved endo, or marijuana grown indoors, consumes a whopping 1 percent of the entire nation's electricity. That's enough juice to power 2 million American homes. All those grow lights, it turns out, inhale some serious juice.

This is according to the work of Evan Mills, a longtime researcher at Lawrence Berkeley National Laboratory (who worked on this on his own time, he makes sure to note). Mills released his eye-popping independent study last week. As you can see below, he writes in the beautifully staid language of a scientist:

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