Reference
Transformer lead times, October 2026
What manufacturers, analysts and trade publications published in 2025 and 2026 about how long electrical equipment takes to make, by region. Each figure names its source and date. Read on 2 October 2026.
A lead time runs from a firm order to dispatch from the factory. The figures below are what sources published, so read them as the direction of the market rather than as a promise for any one order.
Two things move the number for a given order: when the clock starts, at the order or at drawing approval, and whether the unit is a catalogue design or built to a specification. Daverlan publishes no lead time of its own. Every offer states the maker's lead time for the specification and quantity asked for.
Distribution transformers
| Region | Lead time | Source |
|---|---|---|
| Germany | 6 to 12 months for medium voltage units, as stated by a major manufacturer | ZfK, 22 June 2026 |
| US | 30 weeks on average in the second quarter of 2025, down from a peak above 100 weeks in 2023 | EEPower, 27 August 2025 |
| US | 12 to 26 weeks for catalogue designs | Giga Energy, 28 July 2025 |
| US | 40 weeks and more for the three phase pad mounted units data centres need | Giga Energy, 13 August 2026 |
| US | 50 weeks to well over a year for dry type units built to order | ELSCO Transformers, 13 January 2026 |
Power transformers
| Region | Lead time | Source |
|---|---|---|
| Germany | 18 to 36 months for high voltage units, longer for very large or specialised ones, as stated by a major manufacturer | ZfK, 22 June 2026 |
| Germany | 1 to 2 years, more for unique designs and larger units, as stated by a second major manufacturer | ZfK, 22 June 2026 |
| Europe | 48 to 60 months for large power transformers, from PTR data | CWIEME Berlin, 17 March 2026 |
| Europe and North America | At least 2 to 3 years for transformers and high voltage circuit breakers from makers based there | pv magazine, 6 June 2026 |
| Global | More than 12 months for most units, and more than 24 months for the largest | Rystad Energy, 28 May 2026 |
| Global | Up to 4 years for large power transformers, from a survey of industry players | International Energy Agency, 25 February 2025 |
| Gulf | Order backlogs of several years at the Western and East Asian makers that supply the region, per PTR | AGBI, 17 August 2026 |
| US | 128 weeks on average in the second quarter of 2025 | Wood Mackenzie, 15 October 2025 |
| US | Generator step up transformers above 160 weeks by the first quarter of 2026, per Wood Mackenzie | Reuters, 9 July 2026 |
| US | 12 to 14 months from drawing approval for a standard substation unit, as claimed by a transformer broker | POWER magazine, 2 January 2026 |
Switchgear
| Region | Lead time | Source |
|---|---|---|
| US | 44 weeks on average in the second quarter of 2025 | Wood Mackenzie, 15 October 2025 |
| US and Canada | From the low 30s to 40 weeks in 2026 for low and medium voltage switchgear and UPS | Linesight, June 2026 |
| Gulf and Asia Pacific | From the high 20s to about 40 weeks for standard electrical equipment | Linesight, June 2026 |
| UK | "Many months" for some commercial schemes, with no figure given, per Prism Power | DataCentreNews UK, 27 February 2026 |
Generator sets
| Region | Lead time | Source |
|---|---|---|
| Europe and the Americas | Over 100 weeks | Linesight, June 2026 |
| US and Canada | About 110 weeks in 2026 for large sets, up from 60 to 70 weeks in 2024 | Linesight, June 2026 |
| Gulf and Asia Pacific | 85 to 90 weeks for larger units through 2025 and into 2026, up from 55 to 60 weeks in 2024 | Linesight, June 2026 |
| US | 52 to 70 weeks for 1,250 to 3,250 kW standby diesel sets | Global Power Supply, 11 May 2026 |
| US | 26 to 39 weeks for 70 to 500 kW natural gas sets, depending on configuration | Global Power Supply, 11 May 2026 |
UPS and cooling
| Region | Lead time | Source |
|---|---|---|
| US and Canada | From the low 30s to 40 weeks for UPS in 2026 | Linesight, June 2026 |
| Europe | 36 to 40 weeks for air cooled chillers in 2026, down from about 42 weeks in 2025 | Linesight, June 2026 |
| US and Canada | About 26 to 46 weeks for mechanical equipment | Linesight, June 2026 |
| Gulf and Asia Pacific | About 21 to 22 weeks for computer room air handlers | Linesight, June 2026 |
Where the figures are thin
Published figures come mostly from the US. For the UK, the only statement found gives no number, and for the Gulf the figures come from regional reporting and one consultancy. No figure published in 2025 or 2026 was found for compact substations or ring main units.
Sources
- Diese Komponenten werden beim Netzausbau zum Nadelöhr ZfK, Zeitung für kommunale Wirtschaft, with statements by two major manufacturers, 22 June 2026
- Mind the gap: tackling supply-chain challenges in the electric T&D sector Wood Mackenzie, 15 October 2025
- Transformer Supply Chain Woes Persist as Energy Demand Grows EEPower, reporting Wood Mackenzie data, 27 August 2025
- US power companies scramble to secure equipment as surging data center demand strains supplies Reuters, republished by AJOT, 9 July 2026
- 24+ Month Lead Times: New Normal for Transformer Suppliers CWIEME Berlin, citing PTR data, 17 March 2026
- Global grid capex to surpass $650 billion in 2026, says Rystad Energy pv magazine, reporting Rystad Energy, 6 June 2026
- Grid Equipment Market Outlook Rystad Energy, 28 May 2026
- Building the Future Transmission Grid: executive summary International Energy Agency, 25 February 2025
- Transformers in 2026: Shortage, Scramble, or Self-Inflicted Crisis? POWER magazine, 2 January 2026
- Transformer shortage threatens Gulf AI data centre plans AGBI, Arabian Gulf Business Insight, citing PTR, 17 August 2026
- Transformer lead times: What to expect and how to get faster delivery Giga Energy, 28 July 2025
- The constraints that cause lead time delays for data centers Giga Energy, 13 August 2026
- Understand Lead Times for Dry Type Transformers in 2026 ELSCO Transformers, 13 January 2026
- Generator Lead Times in 2026: What’s Changed and How to Plan Global Power Supply, 11 May 2026
- UK data centres squeeze switchgear for builders DataCentreNews UK, quoting Prism Power, 27 February 2026
- Industry trends and supply chain dynamics 2026: Americas Linesight, June 2026
- Industry trends and supply chain dynamics 2026: Europe Linesight, June 2026
- Industry trends and supply chain dynamics 2026: APAC and the GCC Linesight, June 2026
How to cite
- Cite as
Daverlan Power Systems (2026). Transformer lead times, October 2026. https://daverlan.com/technical-resources/transformer-lead-times/
- Permanent address
https://daverlan.com/technical-resources/transformer-lead-times/
This address does not change. Where the figures are revised the page is versioned and the address stays as it is.