The topic of accumulators as battery storage for Germany and its energy transition is almost a daily topic on Linkedin, and so it recently came to a discussion on LinkedIn again, based on my post from a youtube video from VattenfallWhen the audience heard that the pumped storage in Germany can only supply Germany for 30 minutes, the topic of battery storage came up again, and that Germany could then be operated with it during dark periods.
I did the math:
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