Cost Drift — Where Did The Money Go?
Tracking how project costs change across budget years. 182 projects with multiple TEI snapshots.
Total Cost Drift
+$64120m
across 182 tracked projects
Costs Increased
96
projects went over original TEI
Costs Decreased
39
projects came in under
No Change
47
projects held steady
Biggest Absolute Blowouts ($m)
Biggest Percentage Increases (%)
| Project | Sector | First TEI | Latest TEI | Change ($m) | Change (%) | Trend | Snapshots |
|---|---|---|---|---|---|---|---|
| Suburban Rail Loop East — Development & Early … | Transport | $11800.0m | $35000.0m | +$23200.0m | +196.6% | 2 | |
| North East Link — Primary Package (Tunnels) | Transport | $11100.0m | $26100.0m | +$15000.0m | +135.1% | 2 | |
| Level Crossing Removal Program | Transport | $8300.0m | $14500.0m | +$6200.0m | +74.7% | 2 | |
| West Gate Tunnel | Transport | $6300.0m | $10200.0m | +$3900.0m | +61.9% | 2 | |
| Metro Tunnel (Melbourne) | Transport | $11000.0m | $12830.0m | +$1830.0m | +16.6% | 2 | |
| Water quality projects (statewide) | Water | $219.0m | $1901.8m | +$1682.8m | +768.5% | 3 | |
| Water production and storage projects (statewide) | Water | $531.0m | $1900.5m | +$1369.5m | +257.9% | 3 | |
| Water transfer projects (statewide) | Water | $455.3m | $1638.5m | +$1183.2m | +259.9% | 3 | |
| Sewerage transfer projects (statewide) | Water | $605.8m | $1628.7m | +$1023.0m | +168.9% | 3 | |
| Metro Tunnel (metropolitan various) | Transport | $12642.5m | $13480.4m | +$837.9m | +6.6% | 3 | |
| Suburban Roads Upgrade – Northern Roads Upgrade and … | Transport | $2523.0m | $3318.5m | +$795.5m | +31.5% | 2 | |
| Sewer collection – main sewers (regional various) | Water | $247.8m | $1030.7m | +$782.9m | +315.9% | 3 | |
| Land development projects (statewide) | Water | $2341.6m | $2872.3m | +$530.7m | +22.7% | 3 | |
| Eastern treatment plant projects (Bangholme) | Water | $2015.5m | $2533.9m | +$518.5m | +25.7% | 3 | |
| Western treatment plant projects (Werribee) | Water | $1225.6m | $1687.4m | +$461.8m | +37.7% | 3 | |
| Homes Victoria Ground Lease Model Project 2 (metropolitan) | Transport | $259.8m | $686.6m | +$426.8m | +164.3% | 3 | |
| Waterways condition projects (statewide) | Water | $111.4m | $528.2m | +$416.8m | +374.0% | 3 | |
| Water - renewal (metropolitan and regional various) | Water | $427.8m | $841.4m | +$413.6m | +96.7% | 2 | |
| Water - growth (metropolitan and regional various) | Water | $407.4m | $818.2m | +$410.8m | +100.8% | 2 | |
| Regional Rail Revival | Transport | $1750.0m | $2100.0m | +$350.0m | +20.0% | 2 | |
| Water supply – transfer and major distribution systems … | Water | $334.0m | $675.9m | +$341.9m | +102.4% | 3 | |
| Regional Rail Revival - Gippsland Line Upgrade Stage … | Transport | $562.7m | $872.2m | +$309.5m | +55.0% | 2 | |
| New Footscray Hospital | Health & Human Services | $1500.0m | $1800.0m | +$300.0m | +20.0% | 2 | |
| Drainage and flood projects (statewide) | Water | $401.7m | $692.3m | +$290.6m | +72.3% | 3 | |
| Recycled water (regional various) | Water | $178.5m | $455.5m | +$277.0m | +155.2% | 3 | |
| Homes Victoria Ground Lease Model Project 1 (metropolitan) | Transport | $263.7m | $517.4m | +$253.8m | +96.2% | 3 | |
| Sewer and trade waste reliability - other (metropolitan … | Water | $120.5m | $326.3m | +$205.7m | +170.7% | 2 | |
| Sewer and trade waste growth - other (metropolitan … | Water | $318.7m | $489.8m | +$171.1m | +53.7% | 2 | |
| Water customer meter replacements (metropolitan various) | Water | $149.1m | $313.5m | +$164.4m | +110.3% | 3 | |
| Cranbourne Line Duplication | Transport | $741.0m | $884.0m | +$143.0m | +19.3% | 2 |