I agree that a freezer is not a good choice if your power goes out like that.
If the power outages are seasonal, it may be possible to raise chicks at certain seasons.
Maybe raise chicks in the warmest part of the year, and research things like a huddle box or wool hen that help chicks stay...
You have mentioned that there are people you can get chickens from.
If those people want to get rid of extra males, or old hens that will not lay very well anyway, you might just butcher them for meat.
That would give you chicken meat, using the skills and tools you already have, and let you...