The U.S. Department of Energy’s Water Power Program researches, tests, evaluates, and develops innovative technologies capable of generating renewable, environmentally responsible, and cost-effective electricity from water resources. We are pioneering research and development efforts in both marine and hydrokinetic and hydropower technologies to improve performance, lower cost and ultimately support the United States' ability to sustainably meet its growing energy demand. Our cutting-edge research portfolio is aimed to produce the next generation of water power technologies and jump-start private sector innovation critical to the country's long-term economic growth, energy security, and international competitiveness by accelerating the development of markets for those technologies.