House of Assembly Fifty-Third Parliament, First Session (53-1) 53 1 Parliament of South Australia House of Assembly published Estimates Replies Clean Energy Package Clean Energy Package In reply to Mr WHETSTONE House of Assembly Chaffey Clean Energy Package In reply to Mr WHETSTONE (Chaffey) (22 July 2014). (Estimates Committee A) The Hon. M.L.J. HAMILTON-SMITH House of Assembly Waite Minister for Investment and Trade Minister for Defence Industries Minister for Veterans' Affairs Clean Energy Package The Hon. M.L.J. HAMILTON-SMITH (Waite—Minister for Investment and Trade, Minister for Defence Industries, Minister for Veterans' Affairs): The budget differential can be attributed to the closure of the Renewable Energy Fund in 2011-12, following the federal government's success in achieving support through the federal parliament for its clean energy package of over $13 billion at the time.