W-28 Supervision of Mobile Battery Systems (Citywide)


The W-28 Certificate of Fitness is required for supervision of outdoor Stationary Storage Battery Systems. All energy storage uses, including stationary storage battery systems The material will present information for accepted standards, requirements and procedures for the design, installation, operation, inspection, maintenance, and decommissioning of outdoor stationary storage battery systems.

This Certificate of Fitness is valid only at a specific location and for the specific person to whom it is issued.

  • New Application Fees: $25
  • Renewal Fees: $5
  • Application Reviewed Within: 1-2 Days
  • Renewal Cycle: Year

Before You Submit Your Application

You must pass a written exam to get a W-28 Certificate of Fitness. All applicants should review the Notice of Exam and Study Materials.

Applicants who need to take the exam must apply in person and bring the following documents:

Apply in Person

Applicants who need to take the exam must apply in person at:

9 MetroTech Center
Brooklyn, NY 11201

For More Information

NYC Fire Department (FDNY)
Public Certification Unit
9 MetroTech Center, 1st Floor
Brooklyn, NY 11201
Phone: (718) 999-1988
Email: pubcert@fdny.nyc.gov or call 311

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