Hydroelectric dams and power plants worldwide, from OpenStreetMap. Dots are sized by capacity and coloured by type: reservoir dams, run-of-river, pumped storage, and plants whose type is not recorded in OSM (about half). Click a plant for its name, capacity, operator and opening date.

Layers

Legend
Reservoir dam (storage) (2,888)
Run-of-river (4,603)
Pumped storage (344)
Type not recorded (8,389)
Generated by Facetwork workflow save_earth.workflows.BuildHydroDamMap · view FFL · source repo · generated 2026-10-19 17:53 UTC