How Many People Work at Stem? Headcount and Employee Trends

Stem, Inc. is a renewable energy technology company known for its AI-enabled energy storage and optimization platform. Current employee data shows a global workforce of approximately 288 people. The company has brought on 19 new team members while 55 employees have departed, indicating a modest net decrease in staff. Even with this adjustment, Stem maintains a broad talent base spanning technical, commercial, and corporate functions needed to support its battery storage and software solutions.

Engineering is Stem’s largest department with 79 employees, underscoring the firm’s emphasis on product development and system integration. Sales and Support follows with 65 employees, reflecting the importance of customer acquisition and ongoing service for energy clients. Marketing and Product (37) and Finance and Administration (33) round out sizable groups that guide market positioning and internal operations. Smaller yet essential teams such as Information Technology, Business Management, Operations, Human Resources, and Program & Project Management collectively ensure smooth delivery and organizational governance.

Stem’s workforce is anchored in the United States, with 51 employees located in San Francisco—widely regarded as the company’s operational hub. Additional U.S. clusters appear in Denver (17), Seattle (9), Austin (9), San Jose (6), and Boulder (6). Internationally, Gurugram hosts 14 employees and Berlin has 7, while a further 6 employees are based in Delhi. A significant portion—163 individuals—are categorized under “Other,” indicating a dispersed remote or regional presence that supports customers and projects across multiple markets.