I remember when this was "a thing". Some people went nuts and stocked up on dehydrated food and water. I figured if everything really did go awry, electrify and water would be sorted in a few days. So, I had some bottled water, peanut butter and bread, firewood, and a full tank of gas. Also, for some reason, I was the point person at work to answer the questions from the companies with which we did business - would we still be able to deliver our reports?
These days - who knows from one prediction to the next. However, I still have water, peanut butter and bread, firewood, and a full tank of gas. Ha - being prepared does not change much.