Tata & Howard, Inc. conducted an energy audit of the City of Flagstaff’s Water System. The purpose of this energy audit was to identify energy conservation opportunities that would provide annual and life cycle power cost savings for the City of 66,600 people. Tata & Howard provided upgrades that would raise efficiency, resulting in significant annual savings. In addition, the upgrades qualified for a rebate through APS, resulting in an average payback of less than three years.