I’ve heard a pump can be used as a turbine to generate hydroelectricity. How does this work?

Running a pump in reverse to operate as a hydro turbine to generate electricity is sometimes feasible. Standard pumps are available to use as turbines with capacities as large as 2 MW at small hydro plants, but the most usual installations are a maximum of about 500 kW per unit.

FURTHER READING“Using Pumps as Hydroturbines,” Hydro Review, Volume 9, No. 5, October 1990, pages 52-61.

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