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by cauch 81 days ago
My point is that to follow the demand, you need ~12 hours of capacity: the trough is during the night around 1-4 am, the peak is mainly in the afternoon around 5pm. So if you have a battery for nuclear, you will charge it during the night and discharge it ~12 hours later.

Not sure about your 12-18 hours, it looks like you want to use the energy during the night, while it is the trough and does not require energy.