How Hydropower Works

The following resources about water power technologies are available on the program website:


Search for and view program fact sheets, reports and other publications using the Water Power Publication and Product Library.

Stakeholder Webinars

The Water Power Technologies Office (WPTO) hosts a series of semiannual stakeholder webinars to improve transparency and engagement with the diverse groups of stakeholders interested in water power science and research.

A New Vision for U.S. Hydropower

The U.S. Department of Energy (DOE) Water Power Program is looking toward the future of the hydropower industry by initiating the development of a long-range national Hydropower Vision. This landmark vision will establish the analytical basis for an ambitious roadmap to usher in a new era of growth in sustainable domestic hydropower over the next half century.

Hydropower Basics

These pages provide basic information about hydropower, including how hydropower works and the history of hydropower.

Marine and Hydrokinetic Technology Resources

Learn more about marine and hydrokinetic technologies from the Water Power Program's hydrokinetic and hydrodynamic databases and their glossary of terms.

NREL Image Gallery

The National Renewable Energy Laboratory's Image Gallery has a small collection of water power photos; find them using a keyword search from the search page.

Related Links

Find information about hydropower and marine and hydrokinetic technologies, as well as current research and programs in this field.


The Open Energy Information website allows readers to read and contribute to its collection, including critical public datasets and reports, maps and visualization tools, links to organizations working to advance the water power industries, and more.

Go to OpenEI