ATO depreciation rates for electrification assets assets in the Transport, Postal And Warehousing industry, under Income Tax (Effective Life of Depreciating Assets) Determination 2025 (LI 2025/20).
6 assets listed.
| Asset | Effective life | Prime cost rate | Diminishing value rate | Applicable from |
|---|---|---|---|---|
| Lighting | 15 years | 6.67% | 13.33% | 1 July 2025 |
| Overhead distribution lines (incorporating conductors, cross arms, feeders, insulators, inverters, fittings and poles) | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Passenger information and ticketing system | 15 years | 6.67% | 13.33% | 1 July 2025 |
| Power transformers | 40 years | 2.50% | 5.00% | 1 July 2025 |
| Signalling assets (including automatic points) | 15 years | 6.67% | 13.33% | 1 July 2025 |
| Substations (incorporating switchgear and circuit breakers) | 40 years | 2.50% | 5.00% | 1 July 2025 |
The effective lives shown above are determined by the Commissioner of Taxation under section 40-100 of the Income Tax Assessment Act 1997. The diminishing value rate equals 200% ÷ effective life (for assets acquired on or after 10 May 2006). The prime cost rate equals 100% ÷ effective life. You may alternatively self-assess effective life — see the ATO website for guidance.