Saw few articles where they're trying to make Lithium based batteries more Impact/Fireproof :
https://www.google.co.uk/amp/s/spect...n-hit.amp.html
http://www.eenewseurope.com/news/sep...ies-fire-proof
By late 2030s CW Timeline , I'd of imagined that many of the current problems with batteries/power plants would be ironed out ?
CW PPs only catch fire when hit with direct attack , Fire Modifiers or extreme overwork .
Personally with new multiple Fireproof & Fire resistant technology being incorporated into real life Electric Cars , I'd make first 50% (round down) of a Power Plants Damage Points count as Fireproof : they'd be able to take a hell of a beating before there's any chance of them actually bursting into flames .