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Re:Gravity Energy Storage: Alternative to batteries for grid... by WalterBright on Tuesday January 05, 2021 @06:49PM (#25652956)
price schedules that have different rates based on the time of day.

That's better than 24/7 flat, but is not a solution for dealing with spikes in demand or fluctuations in supply. Minute-by-minute spot pricing is the solution for that. With the ubiquity of the internet, and low cost for IoT, it's feasible, practical, efficient, and effective.

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