Instream Habitat Considering Hydro-Peaking

by Robert T. Milhous, Natl Ecology Research Cent, United States,



Document Type: Proceeding Paper

Part of: Optimizing the Resources for Water Management

Abstract: Hydroelectric projects with storage have the characteristic of being able to generate electricity with short notice and to stop generating electricity with equally short notice. This peaking mode of energy generation typically leads to rapid changes in streamflow downstream of the project. An analytical tool developed to look at the aquatic habitat associated with these rapid changes is based on the minimum habitat associated with the two flows forming the generation cycle. The results of this dual-flow analysis can then be used to select acceptable combinations of base and generation flows.

Subject Headings: Streamflow | Hydro power | Electric power | Water storage | Rivers and streams | Aquatic habitats | Base flow | Power plants

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