eli5: how do electric companies deal with different demands of electric power?

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As far as I know the electric power is produced „fresh“ and transported everywhere via wires. If I turn on a light in my house the demand goes slightly up. Does the power plant then automatically produce more electric power? Or are there huge batteries somewhere that deal with the different demands?

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12 Answers

Anonymous 0 Comments

yes to both. there are some batteries, but the power plants will also spin up slightly more to generate more power.

sometimes there are even devices that consume power that can be turned off to help.

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