Nidec Power will invest $52.4 million to expand its Lexington, Tennessee manufacturing facility, the company and state officials announced on Oct. 9, 2025. (Photo courtesy of Nidec Power)

An alternator manufacturing company is expanding its operations in Henderson County, investing $52.4 million and adding 200 jobs to its Lexington facility.

Once the expansion is complete, Nidec Power will employ more than 600 people in Henderson County, the Tennessee Department of Economic and Community Development announced Thursday. This will make the company the county’s second-largest employer, just behind the Henderson County School District.

The company designs and produces “advanced alternators” used to generate power for data centers, hospitals, and defense needs, the department stated. The exp

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