ATO Depreciation Rates 2023

Table A
NameEffective LifeDiminishing Value RatePrime Cost RateDate of Application
MINING:
Infrastructure support assets:
Electrical infrastructure assets (including power reticulation, substations, switchgear and transformers)25 years8.00%4.00%1 Jul 2003
Coal mining:
Infrastructure support assets:
Electrical infrastructure assets (including reticulation assets, substations, switch gear and transformers)25 years8.00%4.00%1 Jul 2003
MANUFACTURING:
Dairy product manufacturing:
Ancillary and support assets:
Power transformers40 years5.00%2.50%1 Jul 2017
Other food product manufacturing n.e.c.:
Peanut processing assets:
Transformers40 years5.00%2.50%1 Jul 2009
Wine and other alcoholic beverage manufacturing:
Support assets:
Electrical and Process control systems:
Transformers40 years5.00%2.50%1 Jul 2008
Pulp, paper and converted paper product manufacturing:
Pulp and paper mill assets:
Electrical and instrumentation assets:
Power plant assets (including switchgear, transformers and turbo generators) - see Table A Electricity supply (26110 to 26400)
Rigid and semi-rigid polymer product manufacturing:
Transformers20 years10.00%5.00%1 Jul 2016
Cement manufacturing:
Electrical installation assets (including cabling):
Transformers20 years10.00%5.00%1 Jul 2011
Iron smelting and steel manufacturing:
Assets used in common in iron smelting and steel manufacturing processes:
Electricity distribution, generation or transmission assets:
Transformers20 years10.00%5.00%1 Jul 2010
Hot strip mill assets:
Finishing mill assets:
Finishing mills (incorporating mill stands, side guides, strippers, screw downs, drive shafts, pinion boxes, main drive motors, transformers, loopers, grease systems, oil circulation systems, and hydraulic systems)20 years10.00%5.00%1 Jul 2010
Alumina production:
Alumina manufacturing (including bauxite refining and calcined alumina manufacturing):
Steam raising and electrical infrastructure assets (including switchgear and transformers)30 years6.67%3.33%1 Jan 2003
Aluminium smelting:
Steam raising and electrical infrastructure assets:
Generally (including switchgear and transformers)30 years6.67%3.33%1 Jan 2003
Motor vehicle manufacturing:
Bus and truck manufacturing assets (including bus vehicle body assembling assets and truck body manufacturing assets):
Assembly and body shop assets:
Welding assets:
Hand held and portable spot welders (including transformers)10 years20.00%10.00%1 Jul 2011
ELECTRICITY, GAS, WATER AND WASTE SERVICES:
Electricity supply:
Electricity distribution:
Distribution lines:
Above ground (incorporating conductors; cross arms, insulators and fittings; poles - concrete, wood, steel or stobie; and transformers - pole or ground pad mounted)45 years4.44%2.22%1 Jan 2002
Underground (incorporating cables, fittings and ground pad mounted transformers)50 years4.00%2.00%1 Jan 2002
Distribution substations/transformers, pole or ground pad mounted40 years5.00%2.50%1 Jan 2002
Electricity generation:
Power generators:
Co-generation:
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Combined cycle:
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Diesel or gas engine:
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Gas turbine:
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Hydro-electric:
Generator transformers and unit transformers in sub-tropical area30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Thermal:
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Wind:
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Electricity transmission:
Power transformers40 years5.00%2.50%1 Jan 2002
Transmission substations (excluding power transformers and control, monitoring, communications and protection systems)40 years5.00%2.50%1 Jan 2002
TRANSPORT, POSTAL AND WAREHOUSING:
Tramway and light rail passenger transport services:
Infrastructure assets:
Electrification assets:
Power transformers40 years5.00%2.50%1 Jul 2010
Rail freight and passenger transport services:
Infrastructure assets:
Electrification assets:
Power transformers30 years6.67%3.33%1 Jan 2002
Monorail operation assets:
Infrastructure assets:
Electrification assets:
Power transformers40 years5.00%2.50%1 Jul 2010
Table B
NameEffective LifeDiminishing Value RatePrime Cost RateDate of Application
Power supply assets:
Private electricity line assets (where used for a specified purpose):
Distribution lines:
Underground (incorporating cables, fittings and ground pad mounted transformers)50 years4.00%2.00%1 Jul 2014
Power transformers45 years4.44%2.22%1 Jan 2002

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Source: TR 2022/1