Attachment 1 to Statement 645 - In Schedule 1, Table 1: Addition to liquid fuel (backup) of up to 300 hours ultra low sulphur diesel for the 2005/2006 financial year period (1 July 2005 - 30 June 2006) - change to proposal under s45C approved on 10 October 2005.

Attachment 2 to Statement 645 - In Schedule 1, Table 1: Addition to liquid fuel (backup) of up to 300 hours ultra low sulphur diesel for the 2006/2007 financial year period (1 July 2006 - 30 June 2007) - change to proposal under s45C approved on 20 April 2006.

Attachment 3 to Statement 645 - In Schedule 1, Table 1: Addition to liquid fuel (backup) of up to 600 hours ultra low sulphur diesel for the 2006/2007 financial year period (1 July 2006 - 30 June 2007) - change to proposal under s45C approved on 19 December 2006.

Attachment 4 to Statement 645 - Increase in time of operation of the power station on liquid fuel (ultra low sulphur diesel) from 100 hours/year to 600 hours/year for the 2007-2008 financial year only - change to proposal under s45C approved on 6 December 2007.

Attachment 5 to Statement 645 - Increase in time of operation of the power station on liquid fuel (ultra low sulphur diesel) from 100 hours/year to 600 hours/year for the 2008-2009 financial year only. Note: the maximum allowable annual operating time for the power station (i.e. natural gas and liquid fuel operating hours combined) remains unchanged at 1,000 hours/year - change to proposal under s45C approved on 5 September 2008.

Attachment 6 to Statement 645 - Increase in time of operation of the power station from 1,000 hours/year [900 hours/year on natural gas and 100 hours/year on liquid fuel (ultra low sulphur diesel)] to 2,000 hours/year [1,800 hours/year on natural gas and 200 hours/year on liquid fuel (ultra low sulphur diesel)]  - change to proposal under s45C approved on 9 December 2008.

Attachment 7 to Statement 645 - Increase in operation of the power station from 2,000 hours per year to 13,800 hours per year on natural gas. Increased plant operating modes detailed in Table 2. Increased estimated capacity factor to 80%. Increased energy generated per year to 2,139 GWh. Increased authorised consumption of natural gas to 46 PJ. Increased greenhouse gas emissions detailed in Table 2. Increased air emissions detailed in Table 2. 

The Attachment is to have effect for a period of 12 months only from the date of approval after which, Attachment 6 to Statement 645 will recommence to have effect. Change to proposal under s45C approved on 11 August 2023.