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by btowngar
3279 days ago
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Load scheduling is precisely equivalent to energy storage. You store electrical energy with the intention of consuming it later. Load scheduling just makes this explicit. In fact one of the benefits of scheduling over storage is that there's no extra losses due to charging / discharging the battery. |
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Loss - that should be one of the first clues that scheduling is not storage. Any electrical storage in my lifetime will have loss, I can accept that.
I'll give you scheduling as storage when it comes to a freezer or hot water heater. Why? Electricity was converted to something that can be stored. There is loss - a clue to real storage taking place, not pretend scheduling "storage". If I heat a tank of hot water and want to shower an 3 hours later after I've turned off the power to my house I'll have a hot shower (in the dark).
Try the same thing with an electric clothes dryer. Plan to run it in 3 hours and turn the power off and see how well it works. What? The dryer didn't store any electricity?
Storage, by definition, means you have something. When it comes to the grid, storage and scheduling can both reduce peak demand, bug scheduling is far from storage.