Fire Safety - Multiple Teslas in Attached Garage

[SigNC]

Sure, you have 150kWh of energy in two Teslas, but do you realize that two ICE vehicles with 14 gallon tanks that are full have ~900 kWhs of energy stored in them? (More than 6 times the amount of energy in your Teslas.)

Sorta. The amount of usable energy stored in a battery and the amount released in a thermal runaway aren't 1 to 1:

https://www.fire.tc.faa.gov/pdf/TC-15-40.pdf

 

[Ron_US]

I know this is pricey, but what about covering your EV with a lithium fire blanket each night? At least in the rare event a fire does breakout, the blanket will prevent fire from spreading to the rest of the house and the smoke will trip any installed garage smoke alarm.