Hydropower

Hydropower, hydraulic power or water power is power that is derived from the force or energy of moving water, which may be harnessed for useful purposes. Prior to the widespread availability of commercial electric power, hydropower was used for irrigation, and operation of various machines, such as watermills, textile machines, sawmills, dock cranes, and domestic lifts. Another method used a trompe, which produces compressed air from falling wate... more
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  • Control of hydropower stations, providing for flood control and maintenance communications at inland waterway facilities, nationwide.

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