The Energy Storage Grand Challenge is a program by the US Department of Energy to accelerate the adoption of energy storage technology. The program aims to synthesize and disseminate data, information, and analysis on energy storage to inform decision-making. The ESGC Roadmap provides options for addressing technology development, commercialization, manufacturing, valuation, and workforce challenges. The Energy Storage Market Report 2020 is part of this program and provides an overview of the energy storage market. The report is intended to inform decision-making and accelerate technology adoption.