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Assessing the impact of updates to UL 1973 for stationary energy storage systems

About this event

One of the main standards adopted for stationary energy storage systems (ESS) is UL 1973 (Batteries for Use in Stationary and Motive Auxiliary Power Applications).

This critical standard for manufacturers has recently been updated to its 3rd Edition, dated 2022. The scope of this standard includes cells, battery modules, battery pack/rack, and the battery management system.

Understanding these updates is vital for manufacturers as they plan milestones and time-to-market for their products.

In this webinar, we will consider key requirements that have been updated or modified that energy storage manufacturers need to know about and understand.

Some of the Edition updates are focused on changes to the construction requirements of the products that fall under scope. Others are focused on modifications to test procedures, additional testing, and clarification of existing test clauses.

This session will discuss updates to the standard and highlight requirements important to manufacturers for their battery systems. We will also briefly address the various functional safety requirements in this standard for safety critical controls.

Armed with this knowledge, energy storage system manufacturers will be able to address applicable testing and certification requirements early in the process, streamlining deployments and commissioning.


  • The basics of UL 1973 and key changes to the 3rd Edition dated 2022
  • High impact clauses of UL 1973 including functional safety requirements


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Hosted by

  • Guest speaker
    Michael Becker Technical Specialist – Energy Storage @ CSA Group

    Michael Becker is a compliance and technical expert in the field of energy storage and systems engineering. He has extensive regulatory and new product development experience for battery systems targeted for energy storage, motive power, and back-up power applications. He also has experience in functional safety standards such as ISO 26262, ISO 13849, and UL/CSA 60730. Michael has participated in the standards development process for applicable energy storage standards such as UL 9540 and NFPA 855.  

  • Guest speaker
    Scott Daniels Head – Energy Storage and Power @ CSA Group

    As Head of Energy & Power and Energy Storage at CSA Group, Scott is an emerging technology and advanced energy resources professional with over 20 years of experience in the energy and clean technology sectors. A respected leader in power generation, distributed energy resources, and energy management, Scott has expertise in technology and business strategy focusing on energy, sustainability, technology commercialization, and investment strategy.

  • Team member
    Andy Colthorpe Editor @ Solar Media /

    Editor and lead journalist for, covering the global industry for a business audience.

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