[2] A legal battle between the owner of the PPA (TransCanada) ensued, which forced the two units to come back on line after replacement of the two boiler units.

Units 1 and 2 operated under a 100% power purchase agreement with Alberta, known as 'Sundance A'.

In August 2000 TransCanada purchased the rights to the production from Sundance A and B.

The Sundance Power Station consists of six units, of which four were upgraded during the 2001-2012 period.

[7] The plant features three large smokestacks each approximately 156 m (510 ft) in height.