There are several ISO standards for energy industry that are relevant to the energy industry. Here are some of the most important ones: ISO 50001: Energy management systems – This standard provides a framework for organizations to establish and implement energy management systems, with the goal of improving energy efficiency, reducing energy costs, and minimizing greenhouse gas emissions. ISO 14001: Environmental management systems – This standard sets out requirements for an environmental management system, including those related to energy use and greenhouse gas emissions. ISO 9001: Quality management systems – While not specific to energy, this standard provides a framework for organizations to ensure consistent quality in their products and services, which can include energy-related products and services.