How much does a microwave cost per month in Wyoming?

About $1.32 a month, assuming 1,200 W, 15 minutes a day, 365 days a year at 14.43¢/kWh.

How many kilowatt-hours does a microwave use?

Roughly 110 kWh a year under these assumptions, or 1.20 kWh for every hour it runs.

Is that expensive compared with other states?

Wyoming has the 11th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $19.89 a year.

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Cost to run a microwave in Wyoming (August 2026 rates)

At 14.43¢ per kilowatt-hour — Wyoming's average residential price in August 2026 — running a microwave costs $15.80 a year. That is 21% less than the national average of $19.89. Wyoming's residential rate is up 0.7% from August 2025, which moves this appliance from $15.69 to $15.80 a year.

Per hour: 17.3¢
Per day of use: 4.3¢
Per month: $1.32
Per year: $15.80

Assumption: 1,200 W, 15 minutes a day, 365 days a year — 110 kWh a year. Draw while cooking; the 1,100 W on the label is delivered power and the wall draw is a little higher. Assumes 15 minutes a day of actual use. Use the calculator to swap in the numbers from your own model.

How Wyoming compares

Wyoming pays 14.43¢/kWh, the 11th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $4.08 less a year than the typical U.S. household pays for the same use. Running the same microwave costs $13.93 a year in Nevada and $51.66 in Hawaii, so where you live changes this bill by $37.73 a year.

State	Rate	Per month	Per year
Arkansas	14.37¢	$1.31	$15.74
Mississippi	14.43¢	$1.32	$15.80
Wyoming	14.43¢	$1.32	$15.80
Washington	14.63¢	$1.33	$16.02
Oklahoma	14.82¢	$1.35	$16.23

States ranked by average residential price, cheapest first. See all 51 states for a microwave.

What else costs about the same in Wyoming

Incandescent bulb$15.80 a year in WY Electric kettle$15.80 a year in WY Box fan$16.23 a year in WY

Cutting the number down

Reheating in a microwave is close to the cheapest way to put heat into food, because nearly all of it lands in the food rather than the air.
The clock display draws a couple of watts around the clock, which over a year is a meaningful share of a lightly used microwave's total.

Questions

How much does a microwave cost per month in Wyoming?: About $1.32 a month, assuming 1,200 W, 15 minutes a day, 365 days a year at 14.43¢/kWh.
How many kilowatt-hours does a microwave use?: Roughly 110 kWh a year under these assumptions, or 1.20 kWh for every hour it runs.
Is that expensive compared with other states?: Wyoming has the 11th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $19.89 a year.