How to Prepare for Power Outages

How to Prepare for Power Outages

Like we've been seeing in California, power outages have an impact on the entire community and local economy. A "blackout", or power outage, is when the electrical power goes out unexpectedly. Negative effects include:

  • Disruption of communications, water supply, and transportation systems.
  • Closures of retail businesses, grocery stores, gas stations, ATMs, banks, and other important services.
  • Food spoilage and water supply contamination.
  • Loss of power to medical devices such as CPAPS or life-support systems.


  1. Keep freezers and refrigerators closed! Keep extra ice packs in your freezer and move a few to the fridge.
  2. Only use generators outdoors and away from windows. Dangerous fumes may pose a threat to your health.
  3. Do not use a gas stove to heat your home. This is dangerous and inefficient. Instead, go somewhere warm like a friend or family member's home who may have a wood stove.
  4. Disconnect appliances and electronics to avoid damage from electrical surges. This is especially important for computers with important documents.
  5. Have alternate plans for refrigerating medicines or using power-dependent medical devices. Be sure to have back-up batteries or a generator for these devices.
  6. If safe, go to an alternate location for heat or cooling. Check your local government for warm or cool safe spaces.
  7. Check on neighbors. They may be in need of help and in times like these, sticking together and helping one another can save lives.


Prepare NOW

  • Take an inventory of the items you need that rely on electricity.
  • Talk to your medical provider about a power outage plan for medical devices powered by electricity and refrigerated medicines. Find out how long medication can be stored at higher temperatures and get specific guidance for any medications that are critical for life.
  • Plan for batteries and other alternatives to meet your needs when the power goes out.
  • Sign up for local alerts and warning systems. Monitor weather reports.
  • Install carbon monoxide detectors with battery backup in central locations on every level of your home.
  • Determine whether your home phone will work in a power outage and how long battery backup will last.
  • Review the supplies that are available in case of a power outage. Have flashlights with extra batteries for every household member. Have enough nonperishable food and water.
  • Use a thermometer in the refrigerator and freezer so that you can know the temperature when the power is restored. Throw out food if the temperature is 40 degrees or higher.
  • Keep mobile phones and other electric equipment charged and gas tanks full.

Survive DURING

  • Keep freezers and refrigerators closed. The refrigerator will keep food cold for about four hours. A full freezer will keep the temperature for about 48 hours. Use coolers with ice if necessary. Monitor temperatures with a thermometer.
  • Maintain food supplies that do not require refrigeration.
  • Avoid carbon monoxide poisoning. Generators, camp stoves, or charcoal grills should always be used outdoors and at least 20 feet away from windows. Never use a gas stovetop or oven to heat your home.
  • Check on your neighbors. Older adults and young children are especially vulnerable to extreme temperatures.
  • Go to a community location with power if heat or cold is extreme.
  • Turn off or disconnect appliances, equipment, or electronics. Power may return with momentary “surges” or “spikes” that can cause damage.


  • When in doubt, throw it out! Throw away any food that has been exposed to temperatures 40 degrees or higher for two hours or more, or that has an unusual odor, color, or texture.
  • If the power is out for more than a day, discard any medication that should be refrigerated, unless the drug’s label says otherwise. If a life depends on the refrigerated drugs, consult a doctor or pharmacist and use medicine only until a new supply is available.
These tips come from, an official website of the Department of Homeland Security.

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