At this point we haven’t heard of any Nissan Leaf’s catching fire due to the electrical system.
Summer 2015 – Mysterious Leaf car fire, unknown cause etc
In North Texas a Nissan Leaf was video’d on fire, but the car owner wasn’t identified nor anything further.
Summer 2012 – Massive wildfire in Colorado catches a Nissan Leaf
This Leaf was obviously burned to a crisp. But it wasn’t the electrical system. In the summer of 2012 there was an epic massive wildfire near Colorado Springs Colorado. This Leaf was caught up in that fire, and burned. The important thing to note is that even with the heat of that fire, the battery pack remained intact and did not burn.
This is important to note because lithium-ion batteries can catch fire if their temperature simply reaches the point of ignition. But that did not happen in this case.
March 2011 – Fukushima tsunami wrecked a bunch of Leafs – no fire
In December 2011, during the height of frenzy concerning the Chevy Volt fire, Nissan put out a press release noting that during the Fukushima Tsunami and Earthquake there were a couple dozen Leaf’s destroyed but none caught fire.
Nissan’s Leaf survived fine in Fukushima tsunami, no fires Two dozen Nissan Leaf electric cars were mangled in the tsunami, with no battery pack fires, giving us anecdotal battery pack safety evidence compared with the Chevy Volt.
“Considering how they were tossed around and crushed, we think that is a very good indication of the safety performance of that vehicle,” said Bob Yakushi, the director of product safety for Nissan North America.