It’s time to have a serious conversation about safety.
The U.S. energy storage industry made it this far with only a handful of fires, and most of them were seven years ago, ancient history in grid storage terms.
That success has made it possible to treat battery safety as a rather distant concern. It merits some boilerplate generalities — number-one priority, of the utmost importance, etc. — but robust, uncomfortable conversations have been hard to find, at least out in the open.
The frankest warnings about lithium-ion come most...