Stem (NYSE:STEM) is a renewable energy technology company specializing in AI-driven energy storage and management solutions. Founded in 2009 and headquartered in Millbrae, California, Stem develops software and hardware systems designed to optimize the use of solar and other distributed energy resources. The company’s flagship platform, Athena, leverages machine learning to forecast energy supply and demand, enabling commercial, industrial and utility-scale customers to reduce electricity costs and enhance grid reliability.
Stem’s core offerings include turnkey energy storage installations, long-term storage-as-a-service agreements and real-time energy analytics. By pairing lithium-ion battery systems with the Athena software, Stem provides behind-the-meter and front-of-the-meter solutions that address peak shaving, demand charge management and renewable portfolio integration. These capabilities help organizations mitigate exposure to volatile energy pricing, participate in demand response programs and support sustainability objectives.
Operating primarily across the United States with projects in key states such as California, Massachusetts and New York, Stem has expanded its reach through strategic partnerships with solar developers, electric utilities and technology integrators. The company also pursues international opportunities, working on pilot projects in regions with high renewable energy penetration and emerging grid modernization needs.
Under the leadership of Chief Executive Officer John Carrington, Stem continues to invest in advanced analytics, energy storage capacity expansion and customer-centric service models. The management team combines industry veterans in energy markets, software development and hardware engineering to drive innovation in clean energy solutions and support the global transition toward a more resilient, low-carbon power system.