Grid operators can now tap data-center generators in emergencies

Can the power grid use data center backup generators during an emergency?

Yes, in some emergencies. The U.S. Department of Energy has issued emergency orders that let grid operators such as PJM deploy backup generators at data centers and other large facilities. A May 2026 order allowed this through May 20. For your home, the lesson is simple: grid stress can happen, so keep your own backup power ready.

The U.S. Department of Energy (DOE) has used emergency orders that let grid operators tap backup generators at data centers.

What happened

During Winter Storm Fern in January 2026, DOE orders authorized ERCOT to deploy backup generation at data centers, with orders also going to PJM and Duke Energy. On May 18, 2026, DOE issued Order No. 202-26-23, which let PJM deploy backup generation at data centers through May 20.

What it means for your home

Emergency orders like these show that the grid can come under stress. Your household still needs its own plan for power, heat and water.

What to do this week

Charge a portable power station, power banks and phones.
Check that you have a battery or hand-crank NOAA weather radio.
Store drinking water for everyone in the home.
List the devices that need power, and ask your doctor or pharmacist about any medicines that need refrigeration.
Read the fridge and freezer plan before you need it.

For a step-by-step plan, read how to run a fridge on a portable power station.

This briefing is general information, not medical, legal or electrical advice. In an emergency, call 911 or your local emergency number.