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Turbine delivery-to-commissioning lag
What it is
The lag between a turbine being delivered to site and the project actually generating - caused by pending evacuation, connectivity approvals, land issues or construction delays. Revenue and capacity statistics diverge as a result
It is the wind-specific expression of the transmission and connectivity bottleneck
Impact on industries
- Reported deliveries overstate near-term revenue and installed capacity, so order-book and despatch figures need reading against commissioning
- Equipment sits idle at site absorbing working capital and warranty clock while earning nothing for anyone
- The binding constraint is usually GNA connectivity and transmission readiness rather than anything the manufacturer or developer controls
- ISTS waiver extensions where transmission delay was not the developer's fault reduce the financial penalty of the gap