How many watts does a microwave use

How many watts does a microwave use

Even though microwaves don’t consume nearly as much electricity as power-hungry home equipment like air conditioners or washing machines, it’s still necessary to be aware of how much electricity a microwave needs in order to function properly.

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Electricity consumption ranges from roughly 600 to 1000 watts when using a microwave.

When used for 15 minutes each day, a microwave will use around 6.1 kilowatt-hours of electricity each month and approximately 73 kilowatt-hours of electricity each year.

The monthly operating cost of a microwave is approximately $0.86, while the annual operating cost is approximately $10.36.

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How much electricity does a microwave use?

Electrical consumption varies widely from microwave to microwave, but in general, they use between 600 and 1,000 watts (W). When using a microwave oven, you’ll need a 120-volt outlet and around 10 amps of power.

When it comes to the amount of electricity your microwave consumes, the most important factor is how frequently you use it. Assuming an average microwave uses 800 watts:

Using your microwave for 10 minutes a day for a week uses 0.94 kWh, a month uses 4.1 kWh, and a year uses 49 kWh.

Microwave use for 15 minutes per day consumes 1.4kWh per week, 6.8kWh per month, and 73kWh per year, depending on how often you use the device.

Running a microwave for 20 minutes per day at the highest setting consumes an average of 1.9% weekly, 8.1% monthly, and 97% annually.

Over the course of a year, different wattage microwaves use different amounts of electricity. Over the course of a year, here’s how much electricity you’ll consume with different wattage microwaves: 15 minutes each day, 105 minutes per week

How much electricity do microwaves use?

MICROWAVE WATTAGE HOURS PER YEAR RUN YEARLY KWH OF ELECTRICITY
600 W 91.3 54.8 kWh
650 W 91.3 59.3 kWh
700 W 91.3 63.9 kWh
750 W 91.3 68.5 kWh
800 W 91.3 73.0 kWh
850 W 91.3 77.6 kWh
900 W 91.3 82.2 kWh
950 W 91.3 86.9 kWh
1,000 W 91.3 91.3 kWh

 

We’ll mostly be referring to the electricity used by microwaves in terms of kWh in this article. The reason is simple: your electric bill is measured in kWh, and you get charged based on the kWh of electricity you use per month!

Watts, amps, voltage, and more: what do they mean?

There are a lot of terms you can use to describe how electricity flows and is used by appliances. We’ve already mentioned most of them – here are a few definitions to keep things straight:

  • Volts (V): volts (short for voltage) are measures of electrical pressure differences. Put simply, voltage is the speed of electricity passing through a circuit.
  • Amps (A): amps (short for amperes) measure electrical current. Put simply, amps are the amount of electrons (which make up electricity) flowing through a circuit.
  • Watts (W) and kilowatts (kW): multiplying volts x amps gets you watts (or wattage). Put simply, watts are the rate of electricity consumption. A kilowatt is just 1,000 watts.
  • Kilowatt-hours (kWh): lastly, kilowatt-hours are how your electric bill measures your energy usage. Simply put, kilowatt-hours are electricity consumption over time.

You can think of these terms like water flowing through a pipe. Voltage is the water pressure, amps are the amount of water flowing past any point, and wattage is the overall rate of water flow through the pipe.

How much does it cost to power a microwave?

When you get your monthly electric bill, you only see the total amount you’re charged, not how much each appliance contributes to your final bill. Based on an average wattage of 800 W for microwaves (amounting to 73 kWh/year if you use your microwave like an average household would) and using state average electricity rates, here’s how the cost to run a microwave pans out over a month and a year:

Monthly and yearly costs to run a microwave by state

STATE AVERAGE ELECTRICITY RATE COST PER MONTH COST PER YEAR
California 22.00 ¢ / kWh $1.34 $16.06
New York 20.59 ¢ / kWh $1.25 $15.03
Texas 12.56 ¢ / kWh $0.76 $9.17
Massachusetts 22.59 ¢ / kWh $1.37 $16.49
Florida 12.21 ¢ / kWh $0.74 $8.91
Virginia 12.58 ¢ / kWh $0.77 $9.18
New Jersey 16.20 ¢ / kWh $0.99 $11.83
Maryland 14.48 ¢ / kWh $0.88 $10.57
Washington 10.38 ¢ / kWh $0.63 $7.58
US Average 14.19 ¢ / kWh $0.86 $10.36

 

Note: average electricity rates are based on October 2021 data from the U.S. Energy Information Administration (EIA).

Calculate how much energy your own microwave uses

Calculate your microwave’s annual predicted kWh electricity use to get an accurate reading of how much power it consumes (or is expected to consume). Microwave power costs can be estimated by multiplying this figure by the typical electricity rate in your location. Divide the yearly cost by 12 to get an idea of how much it will cost each month.

Frequently asked questions about powering a microwave

What’s the best time to run a microwave?

If you’re on a time-of-use (TOU) rate plan, you are charged different amounts for electricity throughout the day. In general, it’s cheaper to use appliances during “off-peak” hours, which are usually overnight.

What size battery do you need to back up a microwave?

Almost any lithium-ion household battery, such the Tesla Powerwall or the Generac PWRcell, has a power rating of 4 to 5 kW or greater, and an useful capacity of 10+ kWh. Microwaves require roughly 800 W (0.8 kW) of electricity at a time, thus a battery can easily power and back up your microwave for extended periods of time without a problem.

How many solar panels does it take to power a microwave

On average, microwaves use about 800 W of electricity to stay powered. With solar panels rated at around 350 W, you’ll be able to power a microwave with about three standard solar panels.

What are ENERGY STAR appliances?

The United States government backs a program called ENERGY STAR, which verifies how energy-efficient various appliances are. An appliance earns the label “ENERGY STAR certified” when it demonstrates that it saves more energy than the typical appliance in its category does by meeting specified criteria. Because they are more effective in their utilization of electricity, ENERGY STAR appliances have lower operating costs than other types of home appliances.

How much money can solar panels save you?

The amount of money you can save by installing solar panels depends on a number of factors, including how much electricity you use, where you live, and the electric rates and plans available. Over the course of a solar panel system’s lifespan, most homeowners may anticipate seeing cost reductions of somewhere between $10,000 and $30,000, on average. It takes the majority of homeowners who shop for solar panels on EnergySage between 7 and 8 years, on average, for their solar panels to generate enough revenue to pay for themselves.

You should make sure that you are collecting multiple quotes from reliable installers before you decide to move forward with going solar, as this is one of the most effective ways to cut or eliminate your power cost. Going solar also helps the environment. You may acquire solar installation quotes from local installers by visiting the EnergySage Marketplace and then beginning to compare your options.

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