A former finance director at the Vestas wind turbine blade manufacturing plant in Windsor has been charged with theft, accused of stealing $2.15 million.Vestas filed a lawsuit earlier this year alleging 44-year-old Denna Randall Martinez of Eaton of stealing from the company from August 2007 until she was fired last December.The lawsuit alleged she and her husband used a company credit card to buy items including automobiles, furniture, plane tickets and hotel rooms for personal use. The Greeley Tribune reports Randall Martinez now is charged with two counts of felony theft of $20,000 or more.Randall Martinez was the highest-ranking financial official within the companys Windsor plant. The Windsor plant opened in 2007. Randall Martinez was hired as director of finance and information technology.According to a Windsor police affidavit obtained by the Greeley Tribune, Randall-Martinez admitted the thefts, saying she used $120,000 of Vestas money to make improvements to her $775,000 home, including buying a vacant lot next door. She also used more than $102,000 to pay her mortgage bills, the affidavit stated.She told police she ran up her credit cards and used Vestas money to pay them off, and that she used Vestas money to add to her childrens college savings plans.Her phone number is unlisted, and she couldn't be reached for comment Monday.She is expected to appear in court on May 31 for formal advisement.