Consolidated  Notes to the  Financial  Statements 94 Goodwill  $m  Licences  $m  Customer relationships and contracts  $m  Wind farm development rights  $m  Other  $m  Total  $m  Note 22 – Intangible assets Year ended 30 June 2012 Balance at 1 July 2011, net of accumulated amortisation 2,624.8  301.2  178.3  30.9  2.0  3,137.2  Additions –  –  41.5  –  1.4  42.9  Acquisitions through business combinations (Note 43) 14.9  –  –  11.1  –  26.0  Amortisation expense –  –  (34.1) –  –  (34.1) Balance at 30 June 2012, net of accumulated amortisation 2,639.7  301.2  185.7  42.0  3.4  3,172.0  Balance at 1 July 2011 Cost (gross carrying amount) 2,624.8  301.2  263.9  30.9  3.7  3,224.5  Accumulated amortisation –  –  (85.6) –  (1.7) (87.3) Net carrying amount 2,624.8  301.2  178.3  30.9  2.0  3,137.2  Balance at 30 June 2012 Cost (gross carrying amount) 2,639.7  301.2  305.4  42.0  5.1  3,293.4  Accumulated amortisation –  –  (119.7) –  (1.7) (121.4) Net carrying amount 2,639.7  301.2  185.7  42.0  3.4  3,172.0  Year ended 30 June 2011 Balance at 1 July 2010, net of accumulated amortisation 2,624.8  301.2  183.6  37.3  2.1  3,149.0  Additions –  –  15.6  –  –  15.6  Transferred to property, plant and equipment (Note 20) –  –  –  (6.4) –  (6.4) Amortisation expense –  –  (20.9) –  (0.1) (21.0) Balance at 30 June 2011, net of accumulated amortisation 2,624.8  301.2  178.3  30.9  2.0  3,137.2  Balance at 1 July 2010 Cost (gross carrying amount) 2,624.8  301.2  248.3  37.3  3.7  3,215.3  Accumulated amortisation –  –  (64.7) –  (1.6) (66.3) Net carrying amount 2,624.8  301.2  183.6  37.3  2.1  3,149.0  Balance at 30 June 2011 Cost (gross carrying amount) 2,624.8  301.2  263.9  30.9  3.7  3,224.5  Accumulated amortisation –  –  (85.6) –  (1.7) (87.3) Net carrying amount 2,624.8  301.2  178.3  30.9  2.0  3,137.2 Amortisation expense of $34.1 million (2011: $21.0 million) is included in the line item ‘depreciation and amortisation’ in the income  statement. Goodwill and other intangible assets deemed to have indefinite lives, that are significant in comparison to the consolidated entity’s total  carrying amount of intangible assets with indefinite lives, have been allocated to cash-generating units (CGUs) for the purpose of  impairment testing as follows: Impairment testing for goodwill and intangibles with indefinite useful lives Amortisation expense