I home brew also, and need the fridge on ;)
I also have x2 freezers....one to hold meat, and the other to hold all my bee hive frames of honey and beer yeast ;)
If the SHTF, I have ammo, beer, and honey !
I have that modern ammo that you don’t have to keep in the fridge....
jus kiddin!
Sounds like you’re set! GMTA!