How long is food good in the fridge and freezer after a power outage?

AEP said more than 125,000 customers are currently without power, mainly in the northeast, central, southern and southeast parts of the state as of about 7:15 p.m. Saturday.

The power company said customers should prepare for power to be out for multiple days.

And as we know, when the power goes out, all perishable food in the refrigerator and freezer is at risk of going bad, and it may not be safe to eat even after power comes back on.

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Here's what food safety experts recommend we do before, during and after a power outage.

How long is food good in the fridge without power?

To help best prevent food wastage during a power outage, the Centers for Disease Control and Prevention recommends keeping appliance thermometers in the refrigerator and freezer. The refrigerator should be kept at 40 degrees Fahrenheit or below, and the freezer should be at 0 degrees Fahrenheit or below.

During a power outage, the CDC recommends keeping refrigerator and freezer doors closed. If the doors are closed, the food will stay safe for up to four hours in the refrigerator, 48 hours in a full freezer and 24 hours in a half-full freezer. If the power has been out for four hours and a cooler and ice is available, then put refrigerated perishable foods in the cooler. Add ice or a cold source like frozen gel packs to keep the food at 40 degrees Fahrenheit or below.

After the power comes back on, here's what you should do to determine the safety of your food.

Refrigerated or frozen food may not be safe to eat after a power outage. Here's what you should know.
Refrigerated or frozen food may not be safe to eat after a power outage. Here's what you should know.

If you have an appliance thermometer, check the temperature. If the freezer is 40 degrees Fahrenheit or below, the food is safe and can be refrozen.

If you don't have a thermometer, check each package of food to determine its safety, and don't rely on appearance or odor. If the food still contains ice crystals or is below 40 degrees Fahrenheit, it's safe to refreeze or cook.

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If power was out for more than four hours, food in the refrigerator should be safe as long as the doors were kept closed. One power comes back on, check the temperature and discard any perishable food (including meat, poultry, seafood, milk, eggs or leftovers) that has been above 40 degrees Fahrenheit for four hours or more.

Perishable foods with temperatures that are 45 degrees Fahrenheit or below should be safe, but the CDC recommends they should be cooked and eaten as soon as possible. Perishable food that's not kept cold enough may cause illness if it's eaten, even when thoroughly cooked, so be extra careful with those kinds of foods.

To help determine the safety of specific food items, use the power outage safety chart from FoodSafety.gov.

What should you do if it floods?

There are also steps on what to do to get clean drinking water if it floods. Only use water from a safe source for drinking, washing or preparing food, and if it's available, use bottled water.

If there's no bottled water, boil or disinfect water to make it safe. Here's how:

  • Boil the water for one minute.

  • Let it cool, and store it in clean containers with covers.

  • Add 1/8 teaspoon (eight drops) of unscented household liquid bleach (at 5.25% concentration) for each gallon of water.

  • Stir it well and let it stand for 30 minutes before use.

  • Store disinfected water in clean containers with covers.

If the water is cloudy, first filter it through clean cloths, or allow it to settle and draw off the clean water for boiling and disinfecting.

As for food, the U.S. Food and Drug Administration says to not eat any food that might have come in contact with flood water, and discard any food and beverage not in a waterproof container, if there's any chance it came into contact with flood water.

Discard any food in damaged cans, thoroughly wash metal pans, ceramic dishes and utensils and thoroughly wash countertops.

This article originally appeared on The Columbus Dispatch: How long can food stay in refrigerator, freezer without power?

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