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Water heating, AC, fridges and freezers, maybe even EV charging (in some cases) could be done at any time during the 24 hour period, if setup with proper hysteresis.

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Shifting some load by a couple of hours is indeed often possible, shifting it by 12 hours is already difficult.

Interesting, I would have thought in many cases it is maybe not trivial, but easily doable at worst. Do you have some personal experience with that?

A friend is working at Siemens R&D on this topic.

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