Here is one that is extremely realistic and logical about how it will happen. Not the cause, but the aftermath when they flip off the power switch.
A Distant Eden by Lloyd Tackitt.
https://www.goodreads.com/book/show/13569540-a-distant-eden
A little off-topic but I couldn’t help but notice that most of the negative reviews were written by women whose pictures and writing style scream “urban liberal feminist”.....