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Electricity prices in France turn negative as renewable energy floods the grid (fortune.com)

submitted 2 months ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 2 months ago (1 children)

On top of that, it doesn't have to power the city for a day, it only has to store unused energy produced during off-peak hours while the sun is shining and/or wind is blowing.

[–] [email protected] 2 points 2 months ago

Right-- batteries don't power cities, they just smooth out the power generation. The size of the battery is determined by the reliability of power generation, desired uptime, etc., not just by the power consumption of the city.