From 2011: "So far, said [James] Espey, the company has retrofitted one car with an electric motor. If all goes well, he said, the company would start selling built-to-order electric DeLoreans around 2013."[0] Original article also mentions "...an EV DeLorean – as we displayed at the 2012 New York International Auto Show...".
[0] https://abcnews.go.com/Technology/back-future-delorean-plans...