Floating solar is estimated to be up to 15 percent more efficient than land-based solar thanks to the cooling impacts of water.

The Canoe Brook Water Treatment plant in Sayreville, New Jersey, is powered by 17 acres of solar panels. The 16,510-panel operation makes it the largest in North America.

The solar project would begin operation by the end of 2024, and is expected to save the Ellis Creek Water Recycling Facility $13.1 million in electricity bills over a 20-year span.

The floating wetland was installed June 2020 by researchers from Northeastern University and the Charles River Conservancy who envision a swimmable river. After a year, researchers are seeing ...