Previous Tariffs

• Tariff Effective January 1, 2010
• Tariff Effective August 1, 2008
• Tariff Effective May 1, 2008
• Tariff Effective Jan. 1, 2008
• Tariff Effective Jan. 1, 2007
• Tariff Effective Jan. 1, 2006
• Tariff Effective Jan. 1, 2005
• Tariff Effective Jan. 1, 2004
• Tariff Effective Dec. 1, 2003
• Tariff Effective Nov. 1, 2002

Previous System Contribution Factors

The Generator System Contribution Policies applicable in previous years are provided below for reference.  The first year in which System Contributions were required was 2006.  System Contributions are not required for generating units which connected to the Alberta Interconnected Electric System before January 1, 2006.

Generator System Contribution Policy for 2006-2007

• 2006-01-20 Generator System Contributions 2006-2007
  [Posted: January 23, 2006]
• 2005-04-01 System Contribution Policy Area Maps
  [Posted: April 4, 2005]