 Technology companies such as Microsoft, Yahoo!, Dell and Intuit have located large data centers within the Quincy area since 2007.Microsoft's Columbia Data Center, built starting in 2006 and expanded several times, is said to be the world's largest data center.The centers, attracted to the area because of its abundant and cheap hydroelectricity, have been criticized for dodging fines from the Grant County Public Utility District for overusing electricity and for creating air pollution through their diesel backup generators.