Annual Report 2021–2022, Power and Water Corporation
Tabled Paper 708
Tabled Papers for 14th Assembly 2020 -; Tabled Papers; ParliamentNT
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Legislative Assembly of the Northern Territory
Legislative Assembly of the Northern Territory
Annual Report 2021-2022 81 Page 30 of 60 Power and Water Corporation Notes to the financial statements for the year ended 30 June 2022 2.3 Summary of significant accounting policies (cont'd) (m) Intangible assets IInnttaannggiibbllee aasssseettss aaccqquuiirreedd sseeppaarraatteellyy PPuurrcchhaasseedd ssooffttwwaarree MMaakkee--uupp ggaass RReenneewwaabbllee EEnneerrggyy CCeerrttiiffiiccaatteess Purchased software Make-up gas Renewable Energy Certificates Internally generated or acquired Acquired Acquired Acquired Useful lives Finite (1-21 years) Finite (34 years) Indefinite Amortisation method Amortised on a straight-line basis over the expected useful life No amortisation No amortisation (n) Employee benefits Wages and Salaries Annual Leave Long service leave The liability for long service leave is recognised in the provision for employee benefits and measured as the present value of expected future payments to be made in respect of services provided by employees up to the reporting date using the projected unit credit method. Consideration is given to expected future wage and salary levels, experience of employee departures, and periods of service. Expected future payments are discounted using market yields at the reporting date on Corporate Bonds with terms to maturity and currencies that match, as closely as possible, the estimated future cash outflows. Any actuarial gains or losses are recognised in the statement of profit or loss and other comprehensive income. Intangible assets acquired separately are measured on initial recognition at cost. Following initial recognition, intangible assets are carried at cost less any accumulated depreciation and accumulated impairment losses. Internally generated intangibles, excluding capitalised development costs, are not capitalised and the related expenditure is reflected in profit or loss in the period in which the expenditure is incurred. The useful lives of intangible assets are assessed as either finite or indefinite. LLoonngg--tteerrmm eemmppllooyyeeee bbeenneeffiittss All purchased software, excluding software as a service, have limited useful lives and are amortised using the straight-line method over their estimated useful lives. Subsequent expenditure is capitalised only when it increases the future economic benefits embodied in the specific asset to which it relates. The consolidated entity has entered into a Take-or-Pay Gas Purchase Agreement that came into effect during the 2010-11 financial year. Make-up gas paid for under the terms of the contract but not physically taken is recorded as an intangible asset. The residual value of the make-up gas asset equals the asset's carrying amount. Intangible assets with indefinite useful lives are not amortised, but are tested for impairment annually, either individually or at the cash-generating unit level. The assessment of indefinite life is reviewed annually to determine whether the indefinite life continues to be supportable. If not, the change in useful life from indefinite to finite is made on a prospective basis. The Renewable Energy Certificate Scheme operates under Federal Government legislation which requires energy retailers to source a target proportion of their electricity purchases from renewable sources. The consolidated entity generates and purchases Green Certificates in order to comply with the relevant legislation. Obligations to surrender certificates based on targets are of accrual nature and are disclosed in the statement of financial position as current liabilities. Rights held are of the nature of intangible assets and are disclosed in the statement of financial position as current assets. The assets and liabilities held under the scheme are acquitted throughout the year. Assets remaining after the acquittal process are expected to be realised within twelve months after the date of acquittal. SShhoorrtt--tteerrmm eemmppllooyyeeee bbeenneeffiittss Short-term employee benefit obligations are measured on an undiscounted basis and are expensed as the related service is provided. The amortisation of useful lives used for each class of intangibles are as follows: A provision for wages and salaries, including non-monetary benefits expected to be settled within 12 months of the reporting date are recognised in other payables in respect of employees' services up to the reporting date. These liabilities are measured at the amounts expected to be paid when the liabilities are settled including related on-costs. The provision for annual leave is recognised in the provision for employee benefits and is measured at the amount expected to be paid when the liabilities are settled including any related on-costs. An intangible asset is derecognised on disposal (i.e., at the date the recipient obtains control) or when no further future economic benefits are expected from its use or disposal. Any gain or loss arising from derecognition of an intangible asset (calculated as the difference between the net disposal proceeds and the carrying amount of the asset) is recognised in the statement of profit or loss. Intangible assets with finite lives are amortised over their useful economic life and assessed for impairment whenever there is an indication that the intangible asset may be impaired. The amortisation period and the amortisation method for an intangible asset with a finite useful life are reviewed at least at the end of each reporting period. Changes in the expected useful life or the expected pattern of consumption of future economic benefits embodied in the asset are considered to modify the amortisation period or method, as appropriate, and are treated as changes in accounting estimates. The amortisation expense on intangible assets with finite useful lives is recognised in the statement of profit or loss in the expense category that is consistent with the function of the intangible assets.
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