31/08/2026
Lithium-Ion Battery & BESS Fires — Are We Actually Prepared? 🔋🔥
South Africa is installing more battery systems than ever: solar batteries, UPS systems, EVs, charging stations, data centres, telecoms sites and large-scale BESS.
A lithium-ion battery fire is not “another electrical fire”.
When a battery enters thermal runaway, the incident can escalate rapidly.
Risks may include:
⚠️ Rapid heat generation
⚠️ Flammable and toxic gases
⚠️ Cell-to-cell propagation
⚠️ Re-ignition
⚠️ Explosion risk
⚠️ Difficult emergency access
Battery hazards may require:
🔹 Early smoke and heat detection
🔹 Off-gas detection
🔹 Thermal monitoring
🔹 BMS integration
🔹 Separation distances
🔹 Ventilation and pressure relief
🔹 Fire compartmentation
🔹 Suppression strategies
🔹 Emergency shutdown procedures
🔹 Firefighter response planning
The question should not only be:
“Do we have fire detection and suppression?”
It should be:
“Is the fire protection strategy designed for lithium-ion battery failure?”
Risk changes with chemistry, size, state of charge, cell arrangement, location, ventilation, separation and how quickly abnormal conditions are detected.
Fire protection should be part of the design from the beginning.
Are regulations, standards, installers, building owners and emergency services keeping pace with battery deployment?
Energy technology is moving fast. Fire protection knowledge and emergency strategies need to move just as quickly.
Are we installing battery systems faster than we are learning how to protect them?
I would be interested to hear from fire engineers, consultants, BESS suppliers, insurers, installers, firefighters, facility managers and building owners.
What is the biggest gap today: Detection? Suppression? Regulation? Installation quality? Emergency response? Or awareness?