Mining
CAPEX Project Management in Mining: Complete Guide
July 15, 2026 · 10 min read · ⛏️
$320B
Annual global mining CAPEX
43%
Projects over budget
67%
With schedule delays
6 Reasons for CAPEX Overruns
1
Geological uncertainty not in baseline
2
Long-lead equipment procurement delays
3
Remote site logistics cost underestimation
4
FIDIC contract scope gaps
5
Regulatory approval delays
6
Currency and commodity price risk
Case Study: Atacama Copper, Chile
$280M concentrator expansion · 36-month schedule
CPI
0.94
SPI
0.91
EAC
$297,900,000
EVM flagged the overrun at month 8. Corrective actions limited the final deviation to 6.4% vs. industry average of 12%.
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