As the Southside Water Reclamation Plant taps biogas and solar resources, operators are looking for ways to make it even more sustainable.The plant, New Mexico’s largest, treats an average of 50 mgd (76 mgd design) for some 650,000 customers of the Albuquerque Bernalillo County Water Utility Authority. Only 7 percent of the plant’s daily 5 MW electrical demand comes from the local utility, Public Service Company of New Mexico. The remainder comes from a pair of cogeneration units and a solar photovoltaic array.Built in 1962 as a trickling filter plant, the facility was expanded and converted to an activated sludge
