Sitting in his office, Roy Coley can see the amount of electrical power being used by the pumps in the vast Florida Keys Aqueduct Authority water distribution network. The authority’s customized power monitoring system continuously records and displays power consumption in cost per thousand gallons pumped and allows operators to make changes in the pumping system if power costs rise above optimum levels.“Right now, we’re at 21 cents per thousand gallons pumped,” says Coley, director of operations for the authority. “That’s about where we need to be.”Along with pipe corrosion, the cost of power is the major challenge for the
