Stem 

Stem, Inc. operates as a digitally connected, intelligent, and renewable energy storage network provider worldwide. The company offers energy storage hardware sourced from original equipment manufacturers (OEMs); edge hardware to aid in the collection of site data and real-time operation and control of the site and other optional equipment; and Athena, a software platform, which offers battery hardware and software-enabled services to operate the energy storage systems. It serves commercial and industrial enterprises, independent power producers, renewable project developers, and utilities and grid operators. The company was incorporated in 2009 and is headquartered in San Francisco, California.