Hydropower eyes bigger energy role, less environmental harm

        March 19, 2022 AP News | United States | renewables: hydro

Hydro is the #2 U.S. renewable energy source after wind power at 7% of electrical power. Most dams were built over 50 years ago, while only 20% of 90,000 produce power. As more dams are repurposed to power up to 12 million homes, certification is available to protect endangered species, river use, and fish passage.