Wärtsilä has revealed details of fire testing its large-scale battery storage product was put through, which the company claimed went beyond commonly accepted requirements.

Re-examining older and potentially hazardous battery energy storage systems should be an “essential” tool in fire prevention, according to a panel of industry leaders.

The second draft of the US National Fire Protection Association (NFPA) energy storage system guidance on fire hazards and safe installation best practices for stakeholders has been published.