91 AGL Energy Limited Annual Report 2012 (a) On 29 June 2012, the consolidated entity completed the acquisition of Great Energy Alliance Corporation Pty Limited, increasing its ownership from 32.54% to 100%. Refer Note 43 for further details. (b) On 6 October 2011, the consolidated entity entered into a 50:50 joint venture with the APA Group to construct a gas-fired power station in Mt Isa to be known as Diamantina Power Station. Under  the arrangement, the consolidated entity acquired a 50% ownership interest in Diamantina Holding Company Pty Limited. The consideration for the acquisition was $1.6 million including acquisition  related costs.  Underpinning the development of the power station, the joint venture entered into a long-term Energy Supply Agreement with Mount Isa Mines Limited, a wholly-owned subsidiary of Xstrata plc; and a  Power Purchase Agreement with Ergon Energy Queensland Pty Ltd, a Queensland government owned corporation.  During the year, the consolidated entity received dividends of $nil (2011: $nil) from its associates and $26.7 million (2011: $24.3 million)  from its jointly controlled entities. The consolidated entity’s share of capital expenditure commitments and contingent liabilities of associates and jointly controlled entities are  disclosed in Notes 38 and 40 respectively. Capital commitments and contingent liabilities  Dividends received from associates and jointly controlled entities Ownership interest Carrying value Name of entity Principal activities Country of  incorporation Reporting date 2012 % 2011 % 2012 $m 2011 $m Associates Great Energy Alliance Corporation Pty Limited (a) Electricity generation Australia –  –   32.54  –  212.0  CSM Energy Limited Coal mine methane gas extraction Australia 30 June  35.0   35.0  2.1  2.1  Jointly controlled entities ActewAGL Retail Partnership Energy and water services Australia 30 June  50.0   50.0  25.6  24.3  Energy Infrastructure  Management Pty Ltd Pipeline management services Australia 30 June  50.0   50.0  1.9  1.9  Central Queensland  Pipeline Pty Ltd Gas pipeline development Australia 30 June  50.0   50.0  0.4  0.4  Diamantina Holding  Company Pty Limited (b) Electricity generation Australia 30 June  50.0  –  1.6  –  31.6  240.7  2012  $m 2011  $m Summarised financial information of associates Current assets 0.3  362.9  Non-current assets –  3,599.3  Total assets 0.3  3,962.2  Current liabilities –  216.1  Non-current liabilities –  3,114.8  Total liabilities –  3,330.9  Net assets 0.3  631.3  Revenue 631.8  648.7  Net (loss)/profit after tax (34.4) 9.8  Consolidated entity’s share of associates’ (loss)/profit (11.2) 3.1  Summarised financial information of jointly controlled entities Current assets 185.6  175.8  Non-current assets 250.5  36.5  Total assets 436.1  212.3  Current liabilities 375.5  150.3  Non-current liabilities 4.5  3.6  Total liabilities 380.0  153.9  Net assets 56.1  58.4  Revenue 647.6  678.8  Expenses (591.4) (618.0) Consolidated entity’s share of jointly controlled entities’ profit 28.0  30.5