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How much power do hydroelectric dams produce?

Answer 1

Very hard to be specific... anything from a few kW to 22.5 GW (three gorges scheme)

This could be a massive (and very stable) source of energy; run-of-river and low head schemes are rapidly expanding the reach of HEP as technology develops.

To put it briefly, they differ.

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Answer 2

Ian Ashland

The amount of power produced by hydroelectric dams varies depending on factors such as the size of the dam, the volume and flow rate of water, and the efficiency of the turbines. Large hydroelectric dams can produce several hundred megawatts to over 10,000 megawatts of power.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.