The Hitachi Energy South Boston Virginia facility broke ground on June 29, 2026, advancing what the company describes as the nation’s largest plant for the production of large power transformers, the critical and increasingly scarce equipment that steps voltage up and down across the electric grid. The $457 million project is a major expansion of Hitachi Energy’s existing campus in South Boston, in Halifax County, and forms the cornerstone of a broader investment of more than $1 billion in United States grid equipment manufacturing first announced in September 2025. When complete, the expansion will bring about 825 new jobs to the region and nearly double a site that already employs roughly 850 people and has operated since 1968, when it began life as a Westinghouse plant. Governor Abigail Spanberger, Senator Mark Warner and Congressman John McGuire joined company leaders at the groundbreaking, reflecting how central domestic transformer capacity has become to state and federal energy policy. The plant will serve transmission and generation utilities, data centers and other large industrial customers across the country, building on almost six decades of manufacturing in Southside Virginia. Greg Callahan, who leads Hitachi Energy’s transformer business in North America, tied the expansion to the company’s long term commitment to South Boston and its local workforce. The build positions the Commonwealth at the center of a national push to make more of the grid’s most essential hardware on American soil rather than importing it.

Why Halifax County and the Virginia Grid Manufacturing Push Matter

The timing of the South Boston expansion is no accident. Large power transformers have become the binding constraint on grid growth in the United States, with standard units averaging around 128 weeks of lead time and some specialized orders stretching to four years, according to Wood Mackenzie survey data widely reported across the power sector in 2026. Roughly 80 to 90 percent of large power transformers used domestically are imported, leaving utilities exposed to global supply chains just as demand from artificial intelligence data centers, electrification and aging infrastructure surges. That backdrop explains the wave of domestic capacity announcements, with original equipment manufacturers committing about $1.8 billion to North American expansions since 2023, and GE Vernova completing its acquisition of Prolec GE in February 2026 to consolidate regional production. Hitachi Energy’s Virginia plant is among the largest single bets in that wave. It is worth clearing up a common confusion for readers searching the name, since South Boston, Virginia is not Boston, Massachusetts, where a separate $1 billion project, the Charles Hurley complex redevelopment, has been advancing on an entirely different track. For Halifax County, the transformer expansion deepens a manufacturing base that has anchored the local economy for more than half a century and extends Virginia’s reputation as a hub for grid critical equipment.

Hitachi Energy South Boston Facility Timeline and What Comes Next

With construction now underway following the June 2026 groundbreaking, attention turns to the build out of the new factory and the hiring ramp toward 825 positions in advanced manufacturing and operations. Hitachi Energy has said it is designing the expanded campus around its workforce, with planned amenities including on site fitness facilities, recreational courts, a health clinic, a new cafeteria and shared spaces intended to support long term careers at the plant. The company has not publicly named a main construction contractor or a firm completion date, which remain open questions as the project moves through its early phases. The strategic payoff is significant. Each transformer leaving the plant will help utilities and developers energize projects that might otherwise stall for years awaiting equipment, and the expansion strengthens the resilience of a grid facing record electricity demand. For Southside Virginia, the near term milestones to watch are vertical construction progress, equipment installation and the first waves of hiring, all of which will signal how quickly the nation’s largest power transformer facility can begin adding capacity.

Project Fact Sheet

• Project Name: Hitachi Energy South Boston large power transformer facility expansion
• Location: South Boston, Halifax County, Virginia, United States
• Project Value: $457 million, per Hitachi Energy’s June 2026 announcement, part of a wider investment of more than $1 billion in US grid manufacturing
• Client/Owner: Hitachi Energy
• Key Components: Expanded facility for the production of large power transformers serving transmission, generation, data center and industrial customers
• Jobs Created: About 825 new jobs, nearly doubling a workforce of roughly 850
• Site History: Operating since 1968, originally as a Westinghouse plant
• Construction Start: Groundbreaking held June 29, 2026
• Expected Completion: Not yet disclosed
• Workforce Amenities: On site fitness facilities, recreational courts, health clinic, cafeteria and shared spaces
• Strategic Impact: Expands domestic transformer manufacturing capacity amid a national supply shortage and rising grid demand

Project Team

• Client/Owner: Hitachi Energy
• Transformer Business Lead, North America: Greg Callahan, Hitachi Energy
• State Leadership: Office of Virginia Governor Abigail Spanberger
• State Economic Development: Virginia Secretary of Commerce and Trade Carrie Chenery
• Federal Representatives: US Senator Mark Warner, US Senator Tim Kaine and Congressman John McGuire (VA-05)
• Main Contractor: Not yet disclosed
• Design/Engineering Consultant: Not yet disclosed

Frequently Asked Questions

How much does the Hitachi Energy South Boston Virginia facility cost? The Hitachi Energy South Boston Virginia facility is a $457 million project, part of the company’s broader investment of more than $1 billion in United States grid equipment manufacturing announced in September 2025.

Where is the Hitachi Energy South Boston facility located? It is located in South Boston, in Halifax County, Virginia, at Hitachi Energy’s existing campus that has operated on the site since 1968.

How many jobs will the Hitachi Energy South Boston facility create? The expansion is expected to create about 825 new jobs in advanced manufacturing and operations, nearly doubling the site’s existing workforce of roughly 850.

What will the Hitachi Energy South Boston facility produce? The plant will produce large power transformers, critical grid components used to step voltage up and down for transmission, generation, data centers and other industrial customers nationwide.

When did construction on the Hitachi Energy South Boston facility begin? Hitachi Energy broke ground on the expansion on June 29, 2026, though the company has not publicly disclosed an expected completion date.