GSU transformers, Q2 2025: Wood Mackenzie
Wood Mackenzie's lead time benchmark put average generator step-up (GSU) lead times at 143.4 weeks in 2025 Q2.
143.4 weeks GSU · Q2 2025 · US
“Generation step up transformers (GSUs) recorded a slight decline quarter over quarter in Q2 easing to 143 weeks on average, although the new tariffs are likely to exacerbate lead times as supply chains will take time to adapt.”
Named sources report this figure differently. See the conflicts
The record
Field definitions- Class on the chart
- Generator step-up (GSU) transformers
- Transformer type
- Generator step-up (GSU)
- Size / class
- GSU
- Region
- US
- As of
- 2025-Q2
- Lead time, low (weeks)
- 143.4
- Lead time, high (weeks)
- 143.4
- Lead time as stated
- Average 143.4 weeks after receipt of order (chart value). Source: Wood Mackenzie Supply Chain’s Lead Time Benchmarking (chart 'Quarterly lead time change 2025 Q1 – 2025 Q2', weeks ARO).
- Publisher
- Wood Mackenzie
- Source type
- primary
- Verified
Sources
Cite this reading
Wood Mackenzie, as compiled by Transformer Lead Times: “GSU transformers, Q2 2025: Wood Mackenzie”. https://transformerleadtimes.com/woodmac-gsu-2025q2/ (accessed 9 Nov 2026).
CC BY 4.0. Quote the original publisher; link this page for the dated record.
Other gsu readings
Filter the table| As of | Reading | Publisher |
|---|---|---|
| Q1 2026 | 160+ weeks Generator step-up (GSU) | Wood Mackenzie (Ben Boucher, via Reuters) |
| Q1 2025 | 147.7 weeks Generator step-up (GSU) | Wood Mackenzie |
| 2024 | 143 weeks Generator step-up (GSU) | Wood Mackenzie (Ben Boucher, via Reuters) |