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Re:Alphabet spinoff Malta raises $26M for technology to stor... by Retric on Wednesday December 19, 2018 @10:48PM (#18722350)
First if you can’t charge every day then your capital costs are effectively much higher.

It’s only ‘free’ before you have a battery in place that can use it. With this buying at 3c/kWh and selling at 6c/kWh is losing money. If anything else can profit and scale by buying at 3.01c/kWh and selling at 6c/kWh then that’s going to win.

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