Tangible fixed assets are stated at cost or valuation, less accumulated depreciation and any impairment losses. Cost includes the purchase price and any directly attributable costs required to bring the asset into working condition for its intended use.
The company’s tangible fixed assets comprise gas peaking generators, site infrastructure costs, and office equipment.
The company applies the revaluation model in respect of its gas peaking generators. These assets are treated as a separate class of plant and machinery due to their specialist nature and significant value. The generators are revalued periodically to ensure that their carrying amount does not differ materially from fair value. The directors have assessed the generators as having a long useful economic life and significant residual value.
Other tangible fixed assets are accounted for using the cost model.
Depreciation commences when the assets are available for use. The useful economic lives and residual values of tangible fixed assets are reviewed annually and adjusted where appropriate.
Depreciation is applied as follows: