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"Hydropower"

Hydropower Results

57 results match your filter criteria.

Balancing Energy Production and Aquatic Resources in the Roanoke River

Long-term collaboration between NOAA Fisheries, Dominion Energy, and state and federal agencies resulted in a win-win for hydroelectric power generation and fish and mussel populations.
July 22, 2026 - Feature Story ,
Southeast
A large dam spans the width of a river, with a reservoir behind it Roanoke Rapids Dam on the Roanoke River in North Carolina. The powerhouse and spillway are to the left, the bypassed reach of the river is on the right. On the right side of the dam, water is flowing over the spillway and into the bypassed reach. Credit: Dominion Energy.

New Fish Passage Facility Restores Access to 1,000 Miles of Habitat in North Carolina

Updates at the Blewett Falls Hydroelectric Project now allow American eel and other fish to access previously blocked upstream riverine habitat.
October 04, 2023 - Feature Story ,
Southeast
Thin, dark, noodle-like eels in a white collection tank Migrating American eels being weighed after using the Blewett Falls Dam eelway. These juveniles (called elvers) used the newly constructed eelway to move upstream and will be passed into habitat above the dam where they will continue to grow. Credit: Justin Dycus/Duke Energy.

Warming Poses “Catastrophic” Threat to Snake River Sockeye

Depressed survival likely to decline by another 80 percent, projections show.
September 30, 2020 - Feature Story ,
West Coast
sockeye salmon.jpg

Tyee Lake

Tyee dam is part of Alaska’s Four Dam Pool built by the State in the 1980’s to power Wrangle and Petersburg.
Alaska

Goat Lake

A small dam near Skagway on Goat Lake above a half-mile series of cascades and water falls.
Alaska

Tazimina

This run-of-river project removes some water from the Tazimina River above a water fall to power the towns of Iliamna, Newhalen, and Nondalton.
Alaska

Chignik

This tiny dam provides power for the city of Chignik on the Aleutian Chain.
Alaska

Crooked Creek

Proposed small impoundment on Jim’s Lake to power Elfin Cove.
Alaska

Solomon Gulch

Solomon Gulch project is a mid-sized dam near Valdez.
Alaska

Federal Columbia River Power System Mitigation Actions

The FCRPS Biological Opinion requires the three FCRPS Action Agencies (Army Corps of Engineers, Bonneville Power Administration, and the Bureau of Reclamation) to implement a series of mitigation measures (also called Reasonable and Prudent Alternatives)…
West Coast