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Initial Regulatory Asset Base Determination

The initial regulatory asset base (IRAB) is the value of assets used by the railway owner to provide access to its network, and it forms the foundation for calculating allowed revenue and return on investment.

The approved initial regulatory asset base is available in the table below.

Document

Date Documents File type
07-Aug-25 Statement of Depreciated Optimised Replacement Cost Adobe PDF 2.6 MB
07-Aug-25 Statement of Applicable Depreciation Schedule Microsoft Excel 164 kB
10-Apr-25 Notice for pre-lodgement consultation Adobe PDF 167 kB
Page last updated: 07 Aug 2025