ATO depreciation rates for central production facility assets assets in the Mining industry, under Income Tax (Effective Life of Depreciating Assets) Determination 2025 (LI 2025/20).
30 assets listed.
| Asset | Effective life | Prime cost rate | Diminishing value rate | Applicable from |
|---|---|---|---|---|
| Cabling for power and control systems | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Carbon steel piping | 15 years | 6.67% | 13.33% | 1 July 2025 |
| Control systems | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Diesel systems | 15 years | 6.67% | 13.33% | 1 July 2025 |
| Downhole equipment (including pumps, but excluding well casing) | 5 years | 20.00% | 40.00% | 1 July 2025 |
| Drains systems | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Flare tips | 5 years | 20.00% | 40.00% | 1 July 2025 |
| Floating production storage and offloading (FPSO) vessels (incorporating mooring systems) | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Floating storage and offloading (FSO) vessels (incorporating mooring systems) | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Generally | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Generally (including accommodation modules, flare structures, helidecks, jackets, primary steel work and topsides secondary steel work) | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Generally (including piping, skid, vessels and assets used onshore) Power turbines used offshore 121/2 * 1 Jul 2002 | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Heat exchangers Major carbon steel vessels 121/2 * 1 Jul 2002 | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Major stainless steel (or lined) vessels | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Offshore bulk loading transfer systems | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Piping | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Piping and vessels | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Seawater lift pumps | 15 years | 6.67% | 13.33% | 1 July 2025 |
| Stainless steel piping | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Storage ponds and tanks for water and brine | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Subsea production assets (including control umbilical, flowline and manifold) | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Topsides tertiary steelwork (including handrails, ladders and stairs) | 15 years | 6.67% | 13.33% | 1 July 2025 |
| Treated water distribution assets | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Trunklines | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Utility air compressors | 15 years | 6.67% | 13.33% | 1 July 2025 |
| Water treatment facility assets (including desalination plants, reverse osmosis, brine concentration and crystallisation assets) | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Wellheads and christmas trees | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Wellpad surface assets (including christmas trees, separators and telemetry equipment) | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Wells | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Wells and downhole equipment | 15 years | 6.67% | 13.33% | 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.