Wiktionary
n. A dam containing hydroelectric generators.
Usage examples of "hydroelectric dam".
It was quite a distance north of the ancient ruined city, and just north of the minesite was a hydroelectric dam.
Most of the food supply for Madison comes from this canyon system and that hydroelectric dam is critical to the whole region.
With the fall of night he found the valley, taking shelter in a deserted house which stood in the shadow of a great hydroelectric dam of still, slumbering waters.
At the lake's western end, where the Little Tennessee River flows into it, stands a big hydroelectric dam, 480 feet high, built by the Tennessee Valley Authority in the 1930s.
A river now blocked with a hydroelectric dam had cut the gorge deep.
Across the narrow shoulder where the two descending streams had met now sat a small hydroelectric dam.
The Oldest One was like a hydraulic engineer transfixed at the base of a hydroelectric dam, watching a thin needle of water spurt hundreds of meters into the air, out of an almost invisible pinhole.
It stood in the lake, which was not a natural lake, but one made by the construction of a hydroelectric dam.