How Many People Work at FlexGen? Headcount and Employee Trends

• FlexGen, headquartered in Durham, North Carolina, is a leading provider of battery energy storage software and services, focusing on enhancing system performance and reliability across energy infrastructure.
• In April 2026, FlexGen acquired Clean Energy Services (CES), significantly expanding its service offerings and capabilities in battery energy storage and solar asset management.
• FlexGen's CES acquisition adds expertise in commissioning and lifecycle services for over 1GW of solar and 4.5GWh of battery sites, positioning them as a leader in the industry with a strong OEM partner program.
• Ideal buyers include energy providers and data centers seeking reliable, flexible power solutions; FlexGen addresses interconnection challenges and enhances system availability, making them a critical partner in the evolving energy landscape.

FlexGen's workforce is organized into 15 departments, with the largest being Information Technology (44 employees), Engineering (39 employees), and Operations (38 employees). This distribution indicates a strong emphasis on technical and operational capabilities, essential for a software development firm. The presence of specialized departments such as Finance, Sales, and Human Resources, albeit smaller in headcount, supports a balanced functional structure that facilitates growth and innovation.

The company's workforce is geographically distributed across 50 locations, with the highest concentrations in Durham, NC (29 employees), Raleigh, NC (11 employees), and Houston, TX (11 employees). The large category of 'Other' locations, which accounts for 101 employees, suggests a significant remote or distributed workforce. This distribution highlights FlexGen's ability to attract talent from various regions while maintaining a core presence in key markets.