ocr: Storing other types of energy Ifyou've got a personal stereo, you'll know that batteries camnor store very much energy, and trequently need to be replaced or recharged. Power plants produce huge amounts of electrical energy - much more than could possibly be stored in batteries. During the day, we rarely need all the electrical energy that power plants produce. A storage plant A. storage plant uses the spare electrical energy to pump water uphill. The pump converts electrical energy: into stored energy, known as potential energy, in the water it has raised. In the evening, when we need much mo ...
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