Suppose your region loses power for a month or two. Would society break down? Could you survive?

Sandworm, a group of Russian computer hackers, have been wreaking havoc in the Ukraine. One of their targets has been power grids. Some experts are concerned because the software intrusions gain access to a secure system, but then stop short of causing the maximum damage. It could be that the Russians are merely honing their skills for later use against the United States.