Siemens Energy Breaks Ground on a $300 Million High-Voltage Switchgear Plant in Pearl, Mississippi
- Medium-Voltage Switchgear News Power Electronics
Marin Holt
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- 7 minutes read
- Investment: $300 million
- Location: Pearl, Rankin County, Mississippi
- Jobs: Up to 300
- Product: High-voltage switchgear
- Groundbreaking: July 17, 2026
Siemens Energy broke ground on July 17, 2026 on a $300 million factory in Pearl, Mississippi that will build high-voltage switchgear for the U.S. transmission grid and employ up to 300 people. Mississippi Governor Tate Reeves presided over the ceremony in Rankin County, east of Jackson. The plant is the company’s second in the state, and the $300 million commitment behind it was first announced on February 3, 2026.
High-voltage switchgear is the equipment that isolates faults and disconnects transmission circuits at a substation. It sits in the same constrained supply category as large power transformers, and it is ordered years before a substation energizes. Siemens Energy has manufactured in Mississippi since 1973 and already runs a high-voltage switchgear plant in Richland, about 10 miles from the new site. “Our increased investment in Mississippi will strengthen the U.S. supply chain and help meet the nation’s grid needs,” said Tim Holt, a member of the Siemens Energy Executive Board.
Why It Matters
A second domestic switchgear line changes what utilities and data-center developers order in 2028, not what they order now. Siemens Energy did not disclose a production start date at the groundbreaking, and no equipment ships from Pearl until the building is finished and qualified. Buyers scoping substation work this year should treat the announcement as a signal about future capacity, and keep pricing current orders against today’s lead times rather than an expanded 2028 supply base. What it does establish is that the switchgear bottleneck is being answered with U.S. floor space rather than import allocation.
Siemens Energy calls the Pearl campus “The Horizon.” It will include a training center and a warehouse, and the site is laid out to allow later expansion. The project was assembled with the Rankin First Economic Development Authority, the Mississippi Development Authority, the City of Pearl, AccelerateMS, Entergy and Hinds Community College, which is the workforce pipeline for the training center. “Siemens Energy’s new facility in Rankin County will help strengthen our nation’s power grid while creating hundreds of good jobs,” Reeves said. Noel Daniels, chairman of Rankin First, said the project “proves Rankin County is leading Mississippi’s economic momentum.”
The Pearl plant is one piece of a $1 billion U.S. manufacturing investment Siemens Energy announced earlier in 2026, and it follows a run of grid-equipment factories being built for the same demand curve. Hitachi Energy broke ground in June on a $457 million large-power-transformer plant in South Boston, Virginia, which it bills as the largest such factory in the country. Both projects are aimed at a queue of substation and interconnection work that manufacturers outside the United States have not been able to fill on schedule.
Critical Perspective
Siemens Energy put $300 million and up to 300 jobs behind the Pearl plant but disclosed no production start date at the July 17, 2026 groundbreaking, so nothing ships until the building is finished and the line is qualified. Qualification is the part buyers cannot schedule around, because high-voltage switchgear has to pass utility type-testing before it enters a substation project, and the existing Richland plant 10 miles away is what actually serves orders until Pearl is certified. Siemens opened its Charlotte Energy Hub in North Carolina in 2011 on a similar investment-and-jobs promise, then cut staff there within a few years when the gas turbine demand it was built for did not materialize. Which utilities have signed supply agreements that begin in 2028, and what happens to the Pearl line if the interconnection queue that justified it clears slower than the factory does?
