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Sustainable Development

  1. Hydro Power Generation and Sustainable Supply
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    • How does a small hydro system work?
      1. Small systems take water out of a river or stream, turn the turbine to generate electricity, and then rejoin the river farther down.
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    • A small hydro system, about 5 megawatts, is equal to how many wind turbines?
      1. 2
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    • How is hydro power different from wind and solar power?
      1. Hydropower generates energy all the time
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    • What are two benefits of hydro power, and one disadvantage?
      1. They are low maintenance and have a longer life, 30-50 years. However, they are expensive to build.
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    • What are the best sites for hydropower?
      1. Large rivers with significant falls. High head and low flow may work, but must be steady.
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    • What happens to the fish and what are 2 things that hydroplants do to address this problem?
      1. They pass through the turbines and get killed, so hydroplants are designed to keep them out. Bypassing channels, sieve-like screens, eel pipes, fish ladders
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