EL PASO Energy Corp. named C. Dana Rice vice president and treasurer. Previously, Rice served as vice president of finance for Tennessee Gas Pipeline Co.
Duke Energy Power Services LLC named William F. Hall vice president and general manager of California operations. Previously, Hall was the regional manager for Duke Power's 2,700-megawatt Allen, Riverbend and Lincoln power plants in North Carolina.
Linda S. Lennox, who joined NUI Corp. in February 1997 as director of corporate communications and investor relations, was promoted to assistant vice president of the department.