this post was submitted on 06 Aug 2024
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Your future air conditioner might act like a battery (www.technologyreview.com)
submitted 3 months ago by [email protected] to c/[email protected]
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Cooling represents 20% of global electricity demand in buildings, a share that’s expected to rise as the planet warms and more of the world turns to cooling technology. During peak demand hours, air conditioners can account for over half the total demand on the grid in some parts of the world today.

New cooling technologies that incorporate energy storage could help by charging themselves when renewable electricity is available and demand is low, and still providing cooling services when the grid is stressed.

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[–] [email protected] 0 points 3 months ago (1 children)

Current air conditioners can act like a battery, too. A house has a lot of thermal mass, and you can intentionally use it to your advantage. Smart thermostats are commonly integrated with electric utilities such that they can bump the set temp up during times of high cooling demand. Something they could and should set up is additional pre-chilling, so you could preemptively cool your house down a few extra degrees when demand is low, then when demand is high, you wouldn't pass your set point by much.