Energy storage cabinets undergo a series of tests to ensure functionality, safety, and efficiency. capacity validation, and 4. environmental compatibility analysis. . UL 9540, the Standard for Energy Storage Systems and Equipment, covers electrical, electrochemical, mechanical and other types of energy storage technologies for systems intended to supply electrical energy. Performance assessment explores how effectively the cabinet. . This report of the Energy Storage Partnership is prepared by the National Renewable Energy Laboratory (NREL) in collaboration with the World Bank Energy Sector Management Assistance Program (ESMAP), the Faraday Institute, and the Belgian Energy Research Alliance. Over $350 million in New York State incentives have. .