| 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 years | 4.44% | 2.22% | 1 Jan 2002 |
| Electricity transmission: |
| Transmission lines (incorporating conductors, insulators and towers) | 47 ½ years | 4.21% | 2.11% | 1 Jan 2002 |
| TRANSPORT, POSTAL AND WAREHOUSING: |
| Tramway and light rail passenger transport services: |
| Infrastructure assets: |
| Electrification assets: |
| Overhead
distribution lines (incorporating conductors, cross arms, feeders,
insulators, inverters, fittings and poles) | 30 years | 6.67% | 3.33% | 1 Jul 2010 |
| Rail freight and passenger transport services: |
| Infrastructure assets: |
| Electrification assets: |
| Overhead
distribution lines (incorporating conductors, contact catenary, cross
arms, insulators and fittings, and poles) | 33 ⅓ years | 6.00% | 3.00% | 1 Jan 2002 |