U.S. Department of Energy - Energy Efficiency and Renewable Energy

Wind and Hydropower Technologies Program

Technologies

Hydropower has contributed to the U.S. economy since the 1800s. Wind energy is the fastest-growing energy source in the world. Learn about how these renewable energy technologies work and the future plans for research and development.

Hydropower

• Hydropower Basics
  • How Hydropower Works
  • Advantages and Disadvantages
  • History
  • Resource Potential
• Research and Development
• Marine and Hydrokinetic Technology Database
• Hydrodynamic Testing Facilities Database

Wind Energy

• Wind Energy Basics
  • How Wind Turbines Work
  • Advantages and Disadvantages
  • History
  • Resource Potential
• Frequently Asked Questions on Small Wind Systems
• Research and Development
• Emerging Applications