Learn the basics of how hydropower works and watch the “Hydropower 101” video from the DOE Office of Energy Efficiency & Renewable Energy….

Hydropower technologies generate power by using a dam or diversion structure to alter the natural flow of a river or other body of water.

Hydropower costs less than most energy sources. States like Idaho, Washington, and Oregon, that get the majority of their electricity from hydropower, have energy bills that are lower than the rest of the country.

Learn more: www.energy.gov/eere/water/hydropower-basics