The numbers

Per day1.0–2.0 kWh
While running100–250 W while the compressor runs
Starting surge (plan for)up to about 1,200 W

It cycles on and off, so it averages far less than its label. Newer Energy Star models sit at the low end.

Tip: Keep it full and closed during outages; it holds cold for hours.

Answer a few taps in a guide and every page like this shows the numbers for your own setup. Start

Running it on solar

At typical use (about 1.5 kWh a day), it takes about 3 400-watt panels to keep up through a dark winter, plus batteries for the nights.

Sized for a dark winter. Set your location · Size a whole system

How long a battery runs it

On its own, at typical use:

  • 1 kWh power station 13 hours
  • 2 kWh power station 26 hours
  • 3.6 kWh power station 2.0 days
  • One 5 kWh rack battery 2.8 days

Add your other appliances

On a power station you have

Questions people ask

How long will a power station run a refrigerator?

A 2 kWh power station runs it for about 26 hours on its own, at typical use. Bigger batteries scale up from there.

How much solar does a refrigerator need?

About 750 W of panels covers it in a typical US winter month, on its own.

Power it for good

Want it running through outages, or off-grid for good? The guides size everything around what you run.

Typical ranges for planning, from US Department of Energy appliance estimates, nameplate ratings and owner measurements. Your model's label or a plug-in meter gives your exact number. More: How much power do you use?