pure energy
Fix that. There is no such thing, and it won't be long before someone less friendly than I brings it up.
in containment for ██ years and show no signs of deteriorating.
Unneeded black box. Trust me, I've been shot down for the same thing.
6 serious injuries and █ fatalities
Equally unneeded and relatively unambiguous - it's 1 to 9. And the number of deaths is not a secret, especially if injuries are listed.
Aside from that, needs some proofreading.