What do most people do, when the power goes out?

We usually try to figure out how to build reliability/redundancy in step with what we require to function as a society under most circumstances without taking outsized losses.

When things go worse than anticipated, we take the hit, try to recover and maybe learn to strengthen the system afterwards. I would rate us roughly okay-ish at that, mostly because I don't know what to compare it to, since we are the only species to do it at this level to my knowledge.