Energy Storage Maintenance

Fractal can provide on-site preventative maintenance, inspection, testing and training at competitive rates. Contact us today for a quote.

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On-Site Maintenance Support Options

Preventative Maintenance

Annual Onsite Inspections and Preventative Maintenance (required and scheduled) on the following equipment:

  • Battery System
  • Power Conversion System (PCS)
  • HVAC
  • Battery Enclosure
  • Auxiliary Components (HVAC, Fire Suppression, etc.

Required and scheduled maintenance:

  • Cleaning and calibration
  • Consumable parts replacement

Recurrent Training

Provide periodic training to operators, managers and on-site personnel:

  • Introduction and Safety
  • General System Overview and operation
  • Fire Detection and Suppression
  • Customer Site Specific Equipment
  • Site Controller(s)
  • Remote Software
  • Alarms
  • Preventative Maintenance and Customer Support
  • Site Tour of Software
  • Site Tour of Hardware

Corrective Maintenance

  • Facilitate and manage any necessary corrective maintenance. This includes managing vendor relationships regarding warranty support and fulfillment.

Inspection Reporting

  • Provide detailed summaries of all maintenance items performed during annual maintenance visit for all equipment as described in the applicable O&M manuals.

Annual Preventative Maintenance

Corrective Maintenance


  • Power and energy capacity test
  • RTE test
  • Fire suppression test smoke test


  • Inspect and condition door seals and verify integrity
  • Inspect for roof damage
  • Inspect for signs of leaks or water damage
  • Inspect the exterior of the container to verify calk, paint and surface


  • Clean to remove soiling by vacuuming
  • Clean housing
  • Clean of dust and debris
  • Check and clean the primary and secondary condensate drains

Fire Suppression

  • Inspect panel, tank, connectors, and piping
  • Check tank pressure
  • Certify the fire suppression system (if required by local fire department)

IT Hardware

  • Visually inspect cables, cable connections and general integrity and cleanliness

Inspection Reporting


  • Check and calibrate the temperature sensor
  • Check and calibrate the humidity sensor
  • Check information logged by EMS
  • Visual inspection of the battery room for leakage and condensation; check battery connections and torques
  • SOH Calibration
  • Cell Balancing
  • Voltage & Temperature Uniformity Check
  • DC Contactor Operation Verification
  • Voltage Sensor Accuracy Check
  • 24V Aux Power Accuracy Check


  • Inspect for heat stress, discoloration, deformation

Auxiliary Equipment

  • Clean and inspect auxiliary panels, check for loose connections, overheating or abnormal conditions
  • Visual inspection of UPS, verify functionality, battery check and voltage measurements