Hoyt Battey

Summer is a great time to hit the water--but you don't have to go to the beach. Hundreds of hydropower dams include reservoirs where a variety of...

Hydropower is the largest source of renewable energy in the United States, and it continues to advance with new developments, including "powering"...

Find out how the Energy Department is helping to improve hydropower technologies.

The Energy Department’s New Stream-reach Development Assessment, conducted by Oak Ridge National Laboratory, has identified more than 65 gigawatts ...

A pilot project that will generate electricity from Maine’s ocean tides could be a game-changer for America’s tidal energy industry at-large.

30 tidal turbines will be fully installed in the New York Harbor by 2015. They'll use the flow of the river and tides to deliver power to 9,500 New...

In the most rigorous analyses undertaken to date, two recently released resource assessments show that waves and tidal currents off the nation's...