House of Assembly Fifty-Fourth Parliament, First Session (54-1) 54 1 Parliament of South Australia House of Assembly published Estimates Replies Electricity Prices Electricity Prices The Hon. A. KOUTSANTONIS House of Assembly West Torrens Electricity Prices In reply to the Hon. A. KOUTSANTONIS (West Torrens) (25 July 2019). (Estimates Committee A) The Hon. D.C. VAN HOLST PELLEKAAN House of Assembly Stuart Minister for Energy and Mining Electricity Prices The Hon. D.C. VAN HOLST PELLEKAAN (Stuart—Minister for Energy and Mining): I have been advised of the following: On 25 July 2019, the commonwealth government 10-year treasury bond yield was 1.26 per cent.