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> The relative cost of lighting on the monthly electricity bill is tiny so those savings are pretty small.

Only because of the successes up to this point. Marginal gains in LED efficiency aren't going to do much, but the shift from incandescent to LED has had a big impact.




Yeah, this is worth emphasizing. Just a handful 100W bulbs running from 5PM-11PM can consume several kWh every day.


probably you mean 100W bulbs...


Whoops. Yes, a 100kW bulb would probably be pretty bright.




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