Several certifications are relevant to energy storage systems, each addressing specific aspects of safety, performance, and environmental sustainability. Familiarity with industry standards is crucial, including certifications like ISO 9001 and ASME. Common certifications include Underwriters Laboratories (UL) 1973 for batteries, the International Electrotechnical Commission (IEC) 62933, and the American National Standards Institute. For commercial and industrial (C&I) energy storage projects, certification is not a formality—it is the baseline for market access, project financing, insurance underwriting, and long-term operational safety. Over the years, various certification standards have been introduced, updated, and harmonized to reflect advances in technology and changes in.