Stem, Inc. (Stem), formerly Star Peak Energy Transition Corp., delivers and operates smart battery storage solutions. The Company is focused on providing smart energy storage and energy management software. Stem’s energy software platform, Athena, is an artificial intelligence (AI)-powered analytics platform that enables customers and partners to optimize energy use by automatically switching between battery power, onsite generation and grid power. Its solutions include energy storage, solar plus storage, wholesale energy markets, microgrids, backup power and voltage support, utility bill optimization, demand response and commercial electronic vehicle (EV) charging. The Company's customers include enterprise, commercial and industrial, electric cooperatives, project developers, utilities, solar engineering, procurement and construction (EPCs), and independent power producers (IPPs) and asset owners.