Large power and GSU transformers, Q4 2023: Wood Mackenzie
Large power transformer and GSU lead times averaged 120 to 130 weeks in Q4 2023.
120–130 weeks Large power · Q4 2023 · US
“As large developers and utilities increase transformer orders, lead times for large power transformers and generator step-up units have surged to 120–130 weeks on average as of the fourth quarter of 2023, with no signs of relief.”
The record
Field definitions- Class on the chart
- Large power and substation transformers
- Transformer type
- Large power transformer and GSU
- Size / class
- Large power / GSU
- Region
- US
- As of
- 2023-Q4
- Lead time, low (weeks)
- 120
- Lead time, high (weeks)
- 130
- Lead time as stated
- Average of 120 to 130 weeks
- Publisher
- Wood Mackenzie (via POWER)
- Source type
- secondary
- Verified
Sources
- The Transformer Crisis: An Industry on the Brink (POWER, 26 Jun 2024) accessed 2026-11-09
Cite this reading
Wood Mackenzie (via POWER), as compiled by Transformer Lead Times: “Large power and GSU transformers, Q4 2023: Wood Mackenzie”. https://transformerleadtimes.com/woodmac-q4-2023-lpt-gsu/ (accessed 9 Nov 2026).
CC BY 4.0. Quote the original publisher; link this page for the dated record.
Other large power readings
Filter the table| As of | Reading | Publisher |
|---|---|---|
| Aug 2026 | 160+ weeks Power / substation transformer | VAWN (aggregating Wood Mackenzie) |
| Jul 2026 | Pushing past three years Large substation transformer | Reuters (Roseville Electric CEO Dan Beans) |
| May 2026 | +80% High-capacity power transformer | PwC analysts (via pv magazine, citing Reuters Events) |
| May 2026 | +80% Large power transformer | National Laboratory of the Rockies (formerly NREL), US DOE |
| May 2026 | 200+ weeks Large power transformer | Transformer Technology (citing Northfield Transformers) |
| Feb 2026 | +79% Large power transformer | BloombergNEF (via pv magazine) |
| Q2 2025 | 128 weeks Power transformer | Wood Mackenzie |
| Q1 2025 | 138.4 weeks Power transformer | Wood Mackenzie |