According to the National Fire Protection Association (NFPA), an energy storage system (ESS), is a device or group of devices assembled together, capable of storing energy in order to supply electrical energy at a later time. Battery ESS are the most common type of new installation.

Energy Storage Systems Webinar

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  • Limited to ≤ 20kWh unit size.
  • Specific code language for detached one- and two-family dwellings.


  • Retail and manufacturing facilities, etc.
  • Limited to 600 kWh unit size.


  • Front-of-meter installations under exclusive control of the operating utility.

  • Be familiar with potential hazards relevant to the type of energy storage systems being inspected.
  • Procure and be prepared to use the appropriate personal protection equipment.
  • Review and print out/download relevant technical documents.
  • Understand what aspects of the energy storage systems need to be reviewed.

  • Have a Safety meeting prior to entering the site.
  • General inspection of the overall site.
  • Inspection of the energy storage systems equipment (Exterior and Interior).
  • Commission plan.
  • Emergency operation plan.
  • Fire and explosion control summary.
  • Signage.

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