when power goes out how long before everything in fridge spoils
- The refrigerator: how long will foods remain safe without power? Â· All foods: at least 4 hours, if the fridge is left unopened. Â· Discard after 4 hours without power: Meat, poultry, fish, milk, eggs, cooked leftovers, soft cheeses, deli cold cuts/salads and other perishable foods.