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www.NFPA.Org/Foundation | © Fire Protection Research Foundation. All rights reserved.
Energy Storage System (ESS) Update
Presented by:
Victoria Hutchison & Casey Grant | Fire Protection Research Foundation at NFPA
On behalf of: Brian O’Connor, NFPA 855 Staff Liaison
www.NFPA.Org/Foundation | © Fire Protection Research Foundation. All rights reserved.
Understanding NFPA and FPRF
NFPA – National Fire Protection Association• Non Profit Membership Association• Established in 1896; Approximately 65K members• Headquartered in Quincy, MA, though no geographic boundaries• Mission: Make the world safer from fire and related hazards• 300 plus “model Codes & Standards; administered by 8K volunteers
FPRF– Fire Protection Research Foundation• NFPA’s Research Affiliate: Separate non-profit research
organization• Mission: Facilitate research on behalf of the NFPA mission• Analogy: Similar to “Special Ops”, to address real-world problems
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www.NFPA.Org/Foundation | © Fire Protection Research Foundation. All rights reserved.
-- The Research Pathway --
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NFPA 855, Standard for the Installation of Stationary Energy Storage Systems
Presented by:
Jim Biggins PE, TUV SUD GRC
Chad Duffy PE, NFPA
Brian O’Connor PE, NFPA
• NFPA 855: Standard for Installation of Stationary Energy Storage Systems (2020 edition)
• Standard development began in 2016.
• Final document released September 2019.
• Purpose: To establish fire protection criteria for ESS installations. — To consider and mitigate fire and life safety risks of
ESS installations
• Emergency Operations Plan—Safe shutdown
—Emergency procedures
—Response considerations (SDS)
—Removal of damaged ESS
—Annual staff training
• Hazard Mitigation Analysis (HMA)
• Fire Mitigation Personnel
4.1.3
4.1.4
4.16
• System listed to UL 9540
• Charge Controllers
• Inverters & Converters
• Energy Storage Management System
• Reused and Repurposed Equipment
84.2
• NFPA 70 or IEEE C2
• ESS Signage
• Separation (2hr Fire Rating)
• Impact Protection
• Security
• Elevation
• Open Rack
94.3
• 50kWh groups
• Spaced 3ft from groups & walls
• Other arrangements based on large
scale fire test
• Exempt: Remote Locations
13
50 kWh
3 ft.3 ft.
4.6
• Exhaust Ventilation—1ft3/min/ft2
—Designed to keep flammable gasses under 25% of LFL
—Exhaust away from openings
• Smoke and Fire Detection —Gas detection activates
ventilation
—Smoke detection per NFPA 72
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4.9
4.10
• Sprinkler System 0.3gpm/ft2
over 2,500 ft2
• Other Fire Protection Systems
—Large Scale Fire Test
—UL 9540A
• Explosion Control
—ESS exceeds 25% LFL
164.11 & 4.12
Telecommunication • Listings
• Retrofits
• Energy Storage Management System
• Elevation Restrictions
• Size and Separation
• Smoke and Fire Detection
• Fire Suppression
• Water Supply
• System Interconnections
• Commissioning
• Decommissioning
• Explosion Control
Electric Power Utility Exemptions • Temporary ESS out of scope
• Plans and specifications
• Emergency Operations Plan
• Listing
• Retrofits
• Energy Storage Management System
• Elevation Restrictions
• Mobile ESS
• Size and Separation
• Smoke and Fire Detection
• Fire Suppression
• Water Supply
• System Interconnections
• Commissioning
• Operations
• Decommissioning
• Explosion Control
Non-dedicated use building
Height Restrictions
Fire rating
Grouping Spacing 50kWh
Maximum
Fire Area (600kWh)
50kWh Li-Ion ESS
Office Space
Hal
lway
50 kWh
3 ft
3 ft
3 ft
• Size and Separation
• Explosion Venting
• Storage
ESS Related Combustible Storage
Explosion Vent
Storage
3 ft
Storage
TM
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Victoria Hutchison & Casey Grant, PE1 Batterymarch Park, Quincy, MA 02169
E: vhutchison@nfpa.org / cgrant@nfpa.org
P: 1-617-984-7741 / 1-617-984-7284
FPRF website: www.nfpa.org/foundation
Thank You!
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