# Hitachi Energy breaks ground on $457M power transformer plant expansion in South Boston, Virginia

Hitachi Energy broke ground on a major expansion of its South Boston campus to build the nation's largest facility for large power transformers. The $457 million project will create about 825 jobs and nearly double the existing workforce.

- Type: Expansion
- Announced: 2026-06-29
- Where: South Boston, Virginia, United States
- Value: $457.0M
- Jobs: 825
- Starts operating: 2028
- Status: under construction
- Capacity: one of the nation's largest manufacturing facilities for large power transformers
- Products: large power transformers
- Sectors: [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md), [Power Generation Equipment](https://endata.com/sectors/power-generation-equipment.md)

## Companies

- [Hitachi Energy](https://endata.com/companies/15140.md)

## Sources

- [hitachienergy.com](https://www.hitachienergy.com/news-and-events/press-releases/2026/06/hitachi-energy-breaks-ground-on-the-nation-s-largest-facility-for-the-production-of-large-power-transformers-in-south-boston-virginia), 2026-06-29: "Hitachi Energy today broke ground on a major expansion of its South Boston campus, marking the next phase of a previously announced investment to establish the nation's largest facility for the production of large power transformers."
- [wset.com](https://wset.com/news/local/largest-manufacturer-in-us-breaks-ground-in-virginia-expected-to-create-over-800-jobs-south-boston-halifax-county-hitachi-energy-june-2026), 2026-06-29: "This is a transformational investment, one that will continue to buoy the economic trajectory in the entire region and that will solidify Virginia's role in advanced manufacturing."
- [enr.com](https://www.enr.com/articles/63252-hitachi-breaks-ground-on-457m-va-large-power-transformer-plant-expansion), 2026-07-01: "Power transformers are not a niche product; they are essential to literally keeping the lights on."
- [spartansfirst.org](https://spartansfirst.org/BuildingAmerica%E2%80%99sElectricFutureP3), 2026-07-02: "When production begins in 2028, the facility is expected to become the nation's largest manufacturing plant dedicated to large power transformers."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.