We live in a rural area where electricity fails periodically. We haven't lost an entire freezer's worth of food yet, but I tend to gravitate toward dehydration and canning. The zukes reportedly turn into mush if you try to can them, I'm scared of losing them if I freeze them, so off I go to dehydrate.
I understand the concern. We have generators for when the electricity goes off, but our problem is the freezer itself.
Everynow and then it goes on the fritz, and the food often is thawed too much to refreeze before we discover it. Then we can whatever can be canned. Clean it out and start over.
It’s a relatively new freezer, and every time they check it out, they say it’s ok. I just think its got a computer glitch or temperature sensor that goes wacky or something.
Last time it happened, I just unplugged it, and decided to forget about it. We have a side by side upstairs, and a regular refrigerator down stairs with a top freezer. I just use those, and dehydrate or can more stuff.