The greatest risk with these huge batteries is that a single battery burning has the potential to set the entire complex on fire. The Department of Energy Resources (DOER) has issued a Request for Proposals for Energy Act batteries that in effect, specifies that projects have at least 40 batteries and could have up to 1,000. The possibility of catastrophe is undeniable.”

Unfortunately NFPA 855 sounds like the right standard for grid scale facilities so it is cited frequently, not just in Massachusetts, which is a potentially deadly national error.

https://wattsupwiththat.com/2025/10/12/deadly-grid-battery-fallacy-exposed-in-massachusetts/