# Transformer Lead Times > Power transformers averaged 128 weeks from order to delivery in Q2 2025, and generator step-up (GSU) units passed 160 weeks by Q1 2026, against 30 to 60 weeks before the pandemic. Three-phase pad-mount distribution transformers averaged 46.4 weeks in Q2 2025 and single-phase units 24 weeks. US transformer producer prices are up 85.9% since January 2020. Every reading is dated and links to the source sentence it came from. The dated, sourced record of how long transformers take. 60 observations, each field linked to its public source, last verified 2026-11-09. Open data under CC BY 4.0. When citing, credit "Transformer Lead Times (transformerleadtimes.com)", link the observation page, and name the original publisher shown on it. ## Data - [Transformer lead times](https://transformerleadtimes.com/): the full comparison table - [Data (JSON)](https://transformerleadtimes.com/data.json): every record with sources - [Data (CSV)](https://transformerleadtimes.com/data.csv): one row per observation - [Manufacturers (CSV)](https://transformerleadtimes.com/manufacturers.csv): 27 transformer manufacturers - [Methodology](https://transformerleadtimes.com/methodology/): what each field means and how it is verified ## Observations - [All transformers, 2021: Wood Mackenzie via NIAC](https://transformerleadtimes.com/woodmac-2021-all/): Transformer procurement lead times were around 50 weeks in 2021, per Wood Mackenzie data cited by NIAC. - [All transformers, 2024: Wood Mackenzie via NIAC](https://transformerleadtimes.com/niac-2024-all/): NIAC, citing Wood Mackenzie, put average transformer procurement lead times at 120 weeks in 2024, reaching 210 weeks for the largest units. - [All transformers, April 2024: Wood Mackenzie](https://transformerleadtimes.com/woodmac-apr-2024-avg/): Wood Mackenzie said average transformer lead times stood at 115 to 130 weeks in April 2024. - [Distribution (some classes) unit prices since 2019: Wood Mackenzie via POWER](https://transformerleadtimes.com/woodmac-price-distribution-since-2019/): Wood Mackenzie data show some classes of distribution transformer prices up as much as 95% since 2019. - [Distribution and large power transformer prices, 2020 to 2024: CRS](https://transformerleadtimes.com/crs-bls-price-2020-2024/): CRS, using BLS data, said distribution and large power transformer prices rose roughly 40% from 2020 to 2024 after inflation. - [Distribution transformers, 2018: ERMCO](https://transformerleadtimes.com/ermco-distribution-2018/): ERMCO's CEO said distribution transformers arrived 12 to 14 weeks after an order in 2018. - [Distribution transformers, 2022: APPA survey](https://transformerleadtimes.com/appa-distribution-2022/): Public power utilities reported distribution transformer lead times of about 12 months in 2022, up 429%, with some quotes above three years. - [Distribution transformers, 2023: APPA issue brief](https://transformerleadtimes.com/appa-distribution-2023/): APPA said distribution transformer lead times had grown from three months in 2018 to 12 months or more. - [Distribution transformers, 2024: APPA issue brief](https://transformerleadtimes.com/appa-distribution-2024/): APPA said distribution transformer lead times had grown from three months in 2018 to over two years. - [Distribution transformers, early 2024: NREL](https://transformerleadtimes.com/nrel-distribution-2024/): NREL found utilities facing distribution transformer lead times of up to two years, four times pre-2022 levels, with prices up four to nine times in three years. - [Distribution transformers, pre-2021: APPA survey](https://transformerleadtimes.com/appa-distribution-2020/): Public power utilities said distribution transformers took about two to three months to procure before 2021. - [Extra-high-voltage transformers, 2024: DOE via NLR](https://transformerleadtimes.com/doe-ehv-2024/): DOE put extra-high-voltage transformer lead times at up to 60 months, as cited in the May 2026 NLR report. - [GSU transformers, 2024 average: Wood Mackenzie via Reuters](https://transformerleadtimes.com/woodmac-gsu-2024/): Generator step-up transformer lead times averaged 143 weeks in 2024. - [GSU transformers, Q1 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-gsu-2025q1/): Wood Mackenzie's lead time benchmark put average generator step-up (GSU) lead times at 147.7 weeks in 2025 Q1. - [GSU transformers, Q1 2026: Wood Mackenzie via Reuters](https://transformerleadtimes.com/woodmac-gsu-2026q1/): Generator step-up transformer lead times passed 160 weeks by Q1 2026, up from a 143-week average in 2024. - [GSU transformers, Q2 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-gsu-2025q2/): Wood Mackenzie's lead time benchmark put average generator step-up (GSU) lead times at 143.4 weeks in 2025 Q2. - [GSU unit prices since 2019: Wood Mackenzie via POWER](https://transformerleadtimes.com/woodmac-price-gsu-since-2019/): Wood Mackenzie data show gsu unit prices up 45% since 2019. - [High-capacity transformers, May 2026: PwC via pv magazine](https://transformerleadtimes.com/pwc-high-capacity-2026/): PwC analysts said lead times for high-capacity transformer units had reached as long as four years; pv magazine cites industry experts for prices up roughly 80% over five years. - [Large power and GSU transformers, pre-pandemic baseline: Wood Mackenzie](https://transformerleadtimes.com/woodmac-prepandemic-baseline/): Wood Mackenzie puts pre-pandemic transformer lead times at 30 to 60 weeks, depending on size and specification. - [Large power and GSU transformers, Q4 2023: Wood Mackenzie](https://transformerleadtimes.com/woodmac-q4-2023-lpt-gsu/): Large power transformer and GSU lead times averaged 120 to 130 weeks in Q4 2023. - [Large power transformer prices, 2025 vs 2019: Wood Mackenzie via NLR](https://transformerleadtimes.com/nlr-woodmac-lpt-price-2025/): Wood Mackenzie data cited by NLR put 2025 large power transformer prices 50% to 70% above their 2019 baseline. - [Large power transformers (100 MVA), 2026: National Laboratory of the Rockies (DOE)](https://transformerleadtimes.com/nlr-lpt-hydro-2026/): DOE’s National Laboratory of the Rockies (formerly NREL) puts a typical 100 MVA large power transformer at 2.5 to 3 years from order and extra-high-voltage units at up to 5 years, with prices up about 80% since 2021. - [Large power transformers in the US and parts of Europe, 2026: Transformer Technology](https://transformerleadtimes.com/eu-uk-200wk-2026/): Transformer Technology cited reports that large power transformers can need 200 weeks for delivery in the US and parts of Europe. - [Large power transformers, 2010 baseline: DOE 2014 study](https://transformerleadtimes.com/doe-lpt-2010-baseline/): In 2010, large power transformers took 5 to 12 months from order to delivery from US plants and 6 to 16 months from foreign plants. - [Large power transformers, 2023: GAO via NLR](https://transformerleadtimes.com/gao-lpt-2023/): GAO found typical large power transformers taking 30 to 36 months from purchase order to receipt, up from 12 to 18 months, as cited in DOE’s May 2026 NLR report. - [Large substation and GSU transformers, April 2024: Wood Mackenzie (POWER)](https://transformerleadtimes.com/woodmac-apr-2024-large-power/): POWER reported Wood Mackenzie's April 2024 range for large substation and GSU transformers as 120 to 210 weeks. - [Large substation transformers, July 2026: utility via Reuters](https://transformerleadtimes.com/utility-substation-2026/): Roseville Electric’s CEO told Reuters large substation transformers were taking more than three years, so the California utility buys equipment five years ahead. - [Large transformers (100 MVA+), Feb 2026: BloombergNEF via pv magazine](https://transformerleadtimes.com/bnef-large-2026/): BloombergNEF data show lead times for large transformers of 100 MVA and above have more than doubled since 2019, with US transformer prices up 79%. - [Larger transformers, April 2024: Wood Mackenzie (Utility Dive)](https://transformerleadtimes.com/woodmac-apr-2024-large-ud/): Utility Dive reported Wood Mackenzie's April report put larger transformer lead times at 80 to 120 weeks. - [Pad-mount distribution transformers, early 2024: ERMCO](https://transformerleadtimes.com/ermco-distribution-2024/): ERMCO’s CEO said single- and three-phase pad-mount transformers were taking as long as two years, against 12 to 14 weeks in 2018. - [Pad-mounted distribution transformers, early 2025: Hitachi Energy](https://transformerleadtimes.com/hitachi-padmount-2025/): Hitachi Energy said pad-mounted distribution transformer lead times were double or triple pre-pandemic levels. - [Pole-top transformer prices, Jan 2023 to Mar 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-price-poletop-2023-2025/): Wood Mackenzie's price index shows pole-top transformer prices up 21% from January 2023 to March 2025. - [Power and substation transformers, Aug 2026: VAWN index](https://transformerleadtimes.com/vawn-substation-2026/): An aggregated lead time index put US power and substation transformers at 160+ weeks, citing Wood Mackenzie's 2026 read. - [Power transformer transformer prices, Jan 2023 to Mar 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-price-power-2023-2025/): Wood Mackenzie's price index shows power transformer transformer prices up 15% from January 2023 to March 2025. - [Power transformer unit prices since 2019: Wood Mackenzie via POWER](https://transformerleadtimes.com/woodmac-price-power-since-2019/): Wood Mackenzie data show power transformer unit prices up 77% since 2019. - [Power transformers, Q1 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-power-2025q1/): Wood Mackenzie's lead time benchmark put average power transformer lead times at 138.4 weeks in 2025 Q1. - [Power transformers, Q2 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-power-2025q2/): Wood Mackenzie's lead time benchmark put average power transformer lead times at 128 weeks in 2025 Q2. - [Single-phase pad-mount transformer prices, Jan 2023 to Mar 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-price-padmount1-2023-2025/): Wood Mackenzie's price index shows single-phase pad-mount transformer prices up 18% from January 2023 to March 2025. - [Single-phase pad-mount transformers, Q1 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-padmount1-2025q1/): Wood Mackenzie's lead time benchmark put average pad-mount single-phase distribution transformer lead times at 19.9 weeks in 2025 Q1. - [Single-phase pad-mount transformers, Q2 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-padmount1-2025q2/): Wood Mackenzie's lead time benchmark put average pad-mount single-phase distribution transformer lead times at 24 weeks in 2025 Q2. - [Substation transformer transformer prices, Jan 2023 to Mar 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-price-substation-2023-2025/): Wood Mackenzie's price index shows substation transformer transformer prices up 8% from January 2023 to March 2025. - [Three-phase pad-mount transformer prices, Jan 2023 to Mar 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-price-padmount3-2023-2025/): Wood Mackenzie's price index shows three-phase pad-mount transformer prices up 20% from January 2023 to March 2025. - [Three-phase pad-mount transformers for data centers, Aug 2026: Giga Energy](https://transformerleadtimes.com/giga-padmount3-dc-2026/): A transformer supplier said three-phase pad-mount units for data center projects were quoted at 40-plus weeks. - [Three-phase pad-mount transformers, Q1 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-padmount3-2025q1/): Wood Mackenzie's lead time benchmark put average pad-mount three-phase distribution transformer lead times at 30 weeks in 2025 Q1. - [Three-phase pad-mount transformers, Q2 2025: Wood Mackenzie](https://transformerleadtimes.com/woodmac-padmount3-2025q2/): Wood Mackenzie's lead time benchmark put average pad-mount three-phase distribution transformer lead times at 46.4 weeks in 2025 Q2. - [Transformer prices, April 2024: Wood Mackenzie](https://transformerleadtimes.com/woodmac-apr-2024-price/): Wood Mackenzie said transformer prices had risen 60% to 80% on average since January 2020. - [Transformers in Europe, May 2024: Ghent University](https://transformerleadtimes.com/eu-ghent-2024/): A Ghent University researcher said transformer lead times in Europe had doubled, with price hikes. - [Transformers, ~2020 baseline: NEMA](https://transformerleadtimes.com/nema-2020-baseline/): NEMA said that five years before early 2025, the wait for a new transformer was four to six weeks. - [Transformers, early 2025: NEMA](https://transformerleadtimes.com/nema-2025/): NEMA said a new transformer ordered in early 2025 could take up to three years to deliver. - [Transformers, May 2024: Thunder Said Energy](https://transformerleadtimes.com/tse-2024/): Thunder Said Energy said lead times had risen from 12 to 24 weeks to one to three years, and prices by 70%. - [Transmission-scale transformers, early 2025: Hitachi Energy](https://transformerleadtimes.com/hitachi-transmission-2025/): Hitachi Energy said transmission-scale transformer lead times were three to six years, with specialized units longest. - [US producer prices for power and distribution transformers, 2022-01: BLS PPI](https://transformerleadtimes.com/ppi-power-distribution-2022-01/): The BLS producer price index for power and distribution transformers (except parts) stood at 275.554 in 2022-01, 36.8% above January 2020. - [US producer prices for power and distribution transformers, 2023-01: BLS PPI](https://transformerleadtimes.com/ppi-power-distribution-2023-01/): The BLS producer price index for power and distribution transformers (except parts) stood at 332.505 in 2023-01, 65.0% above January 2020. - [US producer prices for transformers, 2021-01: BLS PPI](https://transformerleadtimes.com/ppi-transformer-mfg-2021-01/): The BLS producer price index for electric power and specialty transformer manufacturing stood at 262 in 2021-01, 2.5% above January 2020. - [US producer prices for transformers, 2022-01: BLS PPI](https://transformerleadtimes.com/ppi-transformer-mfg-2022-01/): The BLS producer price index for electric power and specialty transformer manufacturing stood at 356.302 in 2022-01, 39.5% above January 2020. - [US producer prices for transformers, 2023-01: BLS PPI](https://transformerleadtimes.com/ppi-transformer-mfg-2023-01/): The BLS producer price index for electric power and specialty transformer manufacturing stood at 410.561 in 2023-01, 60.7% above January 2020. - [US producer prices for transformers, 2024-01: BLS PPI](https://transformerleadtimes.com/ppi-transformer-mfg-2024-01/): The BLS producer price index for electric power and specialty transformer manufacturing stood at 428.635 in 2024-01, 67.8% above January 2020. - [US producer prices for transformers, 2025-01: BLS PPI](https://transformerleadtimes.com/ppi-transformer-mfg-2025-01/): The BLS producer price index for electric power and specialty transformer manufacturing stood at 433.246 in 2025-01, 69.6% above January 2020. - [US producer prices for transformers, 2026-01: BLS PPI](https://transformerleadtimes.com/ppi-transformer-mfg-2026-01/): The BLS producer price index for electric power and specialty transformer manufacturing stood at 455.931 in 2026-01, 78.4% above January 2020. - [US producer prices for transformers, 2026-09: BLS PPI](https://transformerleadtimes.com/ppi-transformer-mfg-2026-09/): The BLS producer price index for electric power and specialty transformer manufacturing stood at 475.065 in 2026-09, 85.9% above January 2020. ## Transformer manufacturers - [All transformer manufacturers](https://transformerleadtimes.com/manufacturers/) - [Central Moloney transformers](https://transformerleadtimes.com/manufacturers/central-moloney/): US distribution transformer maker that opened a new $50 million plant in Florida. - [Delta Star transformers](https://transformerleadtimes.com/manufacturers/delta-star/): US maker of power transformers and mobile substations with plants in Lynchburg, Virginia and San Carlos, California. - [Eaton transformers](https://transformerleadtimes.com/manufacturers/eaton/): Power management company committing $340 million to a new three-phase transformer plant in South Carolina. - [Elsewedy Electric transformers](https://transformerleadtimes.com/manufacturers/elsewedy-electric/): Egyptian electrical group making power transformers up to 220 kV, with transformer plants in Egypt and Zambia. - [ERMCO transformers](https://transformerleadtimes.com/manufacturers/ermco/): Dyersburg, Tennessee maker that calls itself the leading US manufacturer of oil-filled distribution transformers. - [Hammond Power Solutions transformers](https://transformerleadtimes.com/manufacturers/hammond-power-solutions/): Guelph, Ontario maker that calls itself the largest dry-type transformer manufacturer in North America, with a US plant in Baraboo, Wisconsin. - [HD Hyundai Electric transformers](https://transformerleadtimes.com/manufacturers/hd-hyundai-electric/): South Korean power transformer maker with a US plant in Alabama since 2011, now building a second Alabama plant for units up to 765 kV. - [Hitachi Energy transformers](https://transformerleadtimes.com/manufacturers/hitachi-energy/): Zurich-based grid equipment maker investing over $1 billion in North American transformer capacity. - [Howard Industries transformers](https://transformerleadtimes.com/manufacturers/howard-industries/): Laurel, Mississippi maker of distribution transformers investing $237 million to expand across three Mississippi counties. - [Hyosung Heavy Industries (Hyosung HICO) transformers](https://transformerleadtimes.com/manufacturers/hyosung-heavy-industries/): Seoul-based group whose Memphis, Tennessee plant, bought from Mitsubishi Electric in 2019, builds 69 kV to 765 kV power transformers up to 2,250 MVA. - [JST Power Equipment transformers](https://transformerleadtimes.com/manufacturers/jst-power-equipment/): Lake Mary, Florida company making dry-type, pad-mount and power transformers up to 600 MVA and 500 kV. - [Končar transformers](https://transformerleadtimes.com/manufacturers/koncar/): Croatian electrical engineering group building transformers and generators installed in 140 countries. - [LS Electric transformers](https://transformerleadtimes.com/manufacturers/ls-electric/): South Korean power equipment maker whose products include transformers, circuit breakers and switchgear. - [MGM Transformer transformers](https://transformerleadtimes.com/manufacturers/mgm-transformer/): US maker of dry-type and oil-filled transformers with five plants in California, Texas and Tijuana, Mexico. - [Mitsubishi Electric transformers](https://transformerleadtimes.com/manufacturers/mitsubishi-electric/): Tokyo-based electrical equipment maker that sold its Memphis transformer plant to Hyosung in 2019; its US unit, Mitsubishi Electric Power Products, serves North American power systems. - [Pennsylvania Transformer Technology transformers](https://transformerleadtimes.com/manufacturers/pennsylvania-transformer/): Canonsburg, Pennsylvania maker of oil-filled power transformers from 500 kVA to 750 MVA, through 765 kV. - [Prolec GE (GE Vernova) transformers](https://transformerleadtimes.com/manufacturers/prolec-ge/): Mexican transformer maker, now wholly owned by GE Vernova, with US plants in Waukesha and Shreveport and a new medium-power plant planned for Goldsboro, North Carolina. - [Schneider Electric transformers](https://transformerleadtimes.com/manufacturers/schneider-electric/): French electrical group with a North American transformer business that is investing hundreds of millions of dollars in capacity. - [SGB-SMIT Group transformers](https://transformerleadtimes.com/manufacturers/sgb-smit/): Europe's self-described number one medium-sized transformer maker, with plants in Germany, the Netherlands, the US and Romania. - [Siemens Energy transformers](https://transformerleadtimes.com/manufacturers/siemens-energy/): German energy technology group building its first US large power transformer plant in Charlotte, North Carolina. - [Southwest Electric Co. transformers](https://transformerleadtimes.com/manufacturers/southwest-electric/): US transformer company in Oklahoma City and Nashville, owned by SGB-SMIT since 2025. - [Tamini Trasformatori transformers](https://transformerleadtimes.com/manufacturers/tamini/): Italian transformer maker since 1916 that says it built the largest transformer ever made in Italy (670 MVA). - [TBEA transformers](https://transformerleadtimes.com/manufacturers/tbea/): One of China's major producers of power transformers, also active in transmission and renewable projects. - [Toshiba transformers](https://transformerleadtimes.com/manufacturers/toshiba/): Japanese industrial group that builds transformers and switchgear, including at its Hyderabad, India plant. - [Virginia Transformer Corp transformers](https://transformerleadtimes.com/manufacturers/virginia-transformer/): Transformer maker that describes itself as the largest US-owned transformer manufacturer in North America, building units from 300 kVA up to 500 MVA and 525 kV. - [WEG transformers](https://transformerleadtimes.com/manufacturers/weg/): Brazilian electrical engineering group adding transformer capacity in Missouri. - [Wilson Power Solutions transformers](https://transformerleadtimes.com/manufacturers/wilson-power-solutions/): UK maker of power and distribution transformers, including amorphous-core units up to 3 MVA. ## Optional - [All records in one file](https://transformerleadtimes.com/llms-full.txt) - [Sitemap](https://transformerleadtimes.com/sitemap.xml)