Microbes that use wastewater in a fuel cell to make electricity get help from a technology that grabs energy from the difference between salt and fresh water.
New Jersey American Water has two major solar arrays under construction aimed at cutting the carbon footprint associated with treating and distributing water.
The city of Dinuba, Calif., partners with Chevron Energy Solutions and Tioga Energy to install a 1.5-MW solar array at its wastewater treatment plant.
The city of Gilbert, Arizona has installed a 2.3-megawatt photovoltaic system on its Neely Wastewater Treatment Plant, outside of Phoenix.
A portable, self-contained wastewater treatment and water filtration system could lower costs and increase the self-sufficiency of the military’s energy supply.
The town of Prescott Valley, Ariz., is installing solar energy systems at its municipal wastewater treatment plant and water pumping stations.
Researchers in England produce a wee bit of electricity using urine in a microbial fuel cell, and believe it could be a significant source of clean energy.