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2006 Otter Tail Power Company Fuel Adjustment Clause

• January 3,  2006
• February 1, 2006
• March 2, 2006
• April 3, 2006
• May 2, 2006
• June 2, 2006
• July 3, 2006
• August 2, 2006
• September 1, 2006
• October 2, 2006
• November 2006
• December 1, 2006