WP Annual Report SEP25

Notes to the financial statements (continued) Section 3: Operational assets and liabilities (continued) 11. Property, plant and equipment, and intangible assets (continued) E. Amounts recognised in profit or loss See table 20 below. F. Movements in each class of property, plant and equipment, and intangible assets during the reporting years presented See table 21 below.

i. Additions to works under construction Contributed assets Western Power recognises non-cash capital contributions in the form of gifted network assets in accordance with the accounting policy in note 4(a). For the reporting year ended 30 June 2025, the fair value of gifted network assets included in additions was $75 million (30 June 2024: $66 million). Capitalised finance costs Western Power capitalises finance costs in accordance with the accounting policy in note 6(a). For the reporting year ended 30 June 2025, additions included finance costs of $12 million attributable to assets in the course of construction (30 June 2024: $10 million).

Table 20: Amounts recognised in profit or loss

2024/25 $M

2023/24 $M

Note 5(b)

Depreciation expense – property, plant and equipment (excluding capitalised depreciation) Amortisation expense – intangible assets

(456)

(430)

5(b) (61) Refer to notes 11(a)(ii) and 11(b)(ii) respectively for details of the depreciation and amortisation methods and estimated useful lives applied. (58)

Table 21: Movements in each class of property, plant and equipment, and intangible assets during the reporting years presented

Total property, plant and equipment $M

Total intangible assets $M

Intellectual property $M

Computer software $M

Works under construction $M

Plant and equipment $M

Freehold land $M

Buildings $M

141 - - 55

11 - - - - - - (7)

130 - - 55 - - - (51)

13,047 1,481 (19) (55) - (25) (24) (456)

807 1,456 19 (1,134)

11,870 5 - 1,067 - - (20) (447)

262 - - 9 - (25) (4) (9)

108 - - 3 - - - -

Carrying amount at 1 July 2024 Additions (note 11(f)(i)) Transfers to inventory Transfers in/(out) Issues of strategic spares Impairment (note 11(h)) Disposals Depreciation and amortisation (note 11(e)) Carrying amount at 30 June 2025 Carrying amount at 1 July 2023 Additions (note 11(f)(i)) Transfers to inventory Transfers in/(out) Disposals Depreciation and amortisation (note 11(e)) Carrying amount at 30 June 2024

- - - (58)

- - - -

111

233 12,475

1,130 13,949

134

4

138

153 - - 49 - (61)

13 - - 9 - (11)

140 - - 40 - (50)

12,479 1,083 (11) (50) (24) (430)

833 1,083 (11) (1,098)

11,277 - - 1,039 (24) (422)

261 - - 9 - (8)

108 - - - - -

- -

108 262 11,870

807 13,047

130

11

141

104

Western Power Annual Report 2025

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