Slow cookers have a very good reputation for one obvious reason: you can put dinner on in the morning, walk away and come back to a meal that actually feels like you put in more effort than you did.
That convenience naturally brings up another question, though. How much electricity does a
Crock-Pot actually use, and is it really as budget-friendly as people say?
The short answer is yes. Most slow cookers are fairly modest electricity users, which is part of the reason they remain so popular for long, hands-off cooking.
On a standard 120-volt household outlet in the United States, a typical Crock-Pot or slow cooker usually draws roughly 0.4 to 1.8 amps.
That estimate comes from Crock-Pot’s own guidance, which says many of its slow cookers use about 45 to 150 watts on Low and 150 to 210 watts on High.
Using the basic watts-and-volts relationship explained by the U.S. Department of Energy, that works out to about 0.38 amps on the low end and about 1.75 amps on the high end.
That is a lot lower than many people assume. It is also a lot easier on your kitchen circuit than a full-size electric oven.
For comparison, typical electric ovens often run in the 1,000- to 5,000-watt range, which is a completely different league.
A Crock-Pot is not exactly a kitchen power hog. For most standard models, you are usually looking at well under 2 amps while it is actively heating.
The exact number is not fixed because power use depends on the model you own and how you use it.
As noted in Crock-Pot’s product guidance and a Crock-Pot consumer care response listing one 4.5-quart model at 210 watts, electricity use can vary based on things like:
A smaller slow cooker used on Low will usually draw less power than a larger model on High. That part is not very surprising. What catches some people off guard is that even a larger slow cooker is still usually fairly modest compared with many other kitchen appliances.
When you are trying to understand what a slow cooker uses, there are three basic terms that matter:
Amperage, or amps, is the amount of electrical current an appliance pulls.
Voltage is the electrical pressure supplied by the outlet. In the U.S., standard household outlets are generally 110 to 120 volts, while larger appliances like dryers and electric cooktops often use 240 volts.
Wattage is the total power being used. As the Department of Energy explains, watts are tied to both volts and amps. In simple terms:
Watts = Volts × Amps
And if you want to go the other direction:
Amps = Watts ÷ Volts
That is why a 210-watt slow cooker on a 120-volt outlet draws about 1.75 amps. The math is not glamorous, but it is useful.
In most cases, yes. They cook for a long time, but they do it at relatively low wattage.
For example, a slow cooker running at 150 watts for 8 hours uses about 1.2 kilowatt-hours of electricity.
A 210-watt model running for the same 8 hours uses about 1.68 kilowatt-hours. Based on the DOE’s method for estimating appliance energy use, that is still often quite reasonable for a full day of cooking.
That is one reason slow cookers are often viewed as economical for soups, chili, stews, shredded meats and similar meals. They take their time, but they do not demand huge bursts of power while doing it.
They also avoid heating up the whole kitchen the way an oven can, which is a nice bonus when it is warm out and your dinner should not make the room feel like July in Florida.
Usually, yes.
Reports from oven energy-use estimates put many electric ovens in the 1,000- to 5,000-watt range, while Crock-Pot says many of its slow cookers operate more in the 45- to 210-watt range depending on setting.
That does not mean the slow cooker always wins for every meal.
A slow cooker runs for much longer, so the total energy use depends on both wattage and time. Still, for true slow-cooked dishes, it is generally a pretty efficient option.
Many standard Crock-Pot slow cookers use about 45 to 150 watts on Low and 150 to 210 watts on High. One 4.5-quart Crock-Pot model is specifically listed at 210 watts by Crock-Pot consumer care. Actual wattage depends on the size and model.
Generally, yes. Crock-Pot says its slow cookers are safe for countertop cooking for extended periods, and Hamilton Beach says slow cookers are designed to be used overnight or unattended.
That said, food safety still matters. The USDA slow cooker safety page recommends keeping perishable ingredients refrigerated until cooking time, and a Hamilton Beach manual says not to put frozen, uncooked meat into a slow cooker. Thaw it first.
Not ideally. The USDA says leftovers should be reheated on the stove, in a microwave or in a conventional oven, not in a slow cooker.
That advice lines up with manufacturer guidance too. A Hamilton Beach use-and-care guide says the Warm setting should only be used after food has already been thoroughly cooked and should not be used to reheat refrigerated food.
By itself, usually not. Since most standard models pull well under 2 amps, they are not especially demanding on a household circuit.
However, a Hamilton Beach manual warns not to use a high-wattage appliance on the same circuit as the slow cooker if you want to avoid electrical circuit overload.
In other words, the Crock-Pot itself usually is not the problem. The issue is more likely to be everything else sharing the outlet or circuit.
The simplest answer is to check the wattage label on your exact model and choose a generator or inverter that comfortably exceeds that number.
Since many slow cookers fall in the 45- to 210-watt range, a small generator can often handle them. Still, you want extra headroom rather than sizing it right to the edge.
A very small unit might work for a basic slow cooker, but larger multi-cookers or searing models can be a different story. The safest move is always to go by the actual nameplate wattage.
Used properly, yes. Both Crock-Pot and Hamilton Beach say slow cookers are built for extended, unattended cooking. The USDA also considers them safe when used correctly.
The usual common-sense rules still apply: keep the cooker on a stable surface, make sure the cord and plug are in good shape, keep flammable items away and follow the recipe and manufacturer instructions.
For many kitchens, yes. They are convenient, usually economical to run and especially good for meals that benefit from long, gentle cooking.
The trade-off, of course, is time. A slow cooker saves effort more than it saves minutes.
Still, that is not a bad trade at all when dinner can cook while you are busy doing literally anything else.
To sum it up, most Crock-Pots use surprisingly little electricity. On a standard U.S. outlet, many models draw around 0.4 to 1.8 amps, with power use depending mainly on the model size and the heat setting.
That makes them a fairly efficient option for long, slow meals, especially compared with larger kitchen appliances like ovens. They are not magical, of course. They simply do their job with relatively modest power while taking a longer, steadier route to get there.
If you are shopping for one or trying to figure out how much yours costs to run, the most useful number to check is the wattage on the label or in the manual. Once you know that, estimating amps and energy use becomes a lot easier.
To provide better user experience and correct display of content, this site uses cookies. By continuing to use our site or providing information you are agreeing to our Privacy & Cookie Policy.